List of fictional crossovers

This article comprises a list of fictional crossovers that have occurred between different fictional characters/properties over different media.

General crossovers

Most of these crossovers can be assumed to be in continuity for one or both of the characters or universes involved, although the events of the crossover may not be mentioned afterward by either party. See fictional universe for more closely linked crossovers. Many spinoffs cross over with their parent series or originated as a one-time crossover.

Television

Jerry Bruckheimer Productions

• A November 7, 2005 episode of CSI: Miami continues on an episode of CSI: NY on November 9. The characters from CSI: New York were first introduced on a second season episode of CSI: Miami in May 2004. Miami was also introduced via crossover in the second season of CSI: Crime Scene Investigation. and Cyber was also introduced on CSI: Crime Scene Investigation in its 14th Season
• A three-way crossover with all 3 CSI shows occurred the week of November 8, 2009.
• CSI: Crime Scene Investigation and CSI: NY have a cross-over story on their respective shows February 6 & 8, 2013. Mac Taylor visits Las Vegas on the CSI: Crime Scene Investigation episode "In Vito Veritas". The storyline continues on CSI: NY episode "Seth and Apep", with D.B. Russell heading to New York.
• On May 2, 2007 in the CSI: New York episode "Cold Reveal", Danny Pino appeared as his Cold Case character Scotty Valens as he traveled to New York. The CSI shows, Cold Case, and Without a Trace all air on CBS and are produced by Jerry Bruckheimer.
• CSI: Crime Scene Investigation and Without a Trace had a crossover story that aired on November 8, 2007. "Without a Trace's" Jack Malone guests on "CSI", which continues on "Without a Trace" with Gil Grissom crossing over from "CSI".
• After the end of CSI: Crime Scene Investigation on September 27, 2015, Ted Danson's character, D.B. Russell, became part of the cast of CSI: Cyber at the start of the second season on October 4, 2015.

Must See TV

• Chandler Bing of Friends appeared in Caroline in the City, while Caroline (played by Lea Thompson) appeared in an episode of Friends.
• Cosmo Kramer of Seinfeld appeared on Mad About You.
• Friends: Phoebe's twin sister, Ursula (both played by Lisa Kudrow), originated as a character on Mad About You. Kudrow appeared as both characters on Friends. Helen Hunt, the star of Mad About You has also appeared on Friends.
• Norm Peterson (played by George Wendt) and Cliff Clavin (played by John Ratzenberger) of Cheers fame appeared on an episode of Wings (1990). Dr's. Frasier and Lilith Crane, then of Cheers fame also appeared on another episode of Wings (1992).
• Many of the characters formerly of Cheers have appeared on the spinoff Frasier, and an episode of Frasier featured the title character running into his old friends during a business trip to Boston.
• In an episode of St. Elsewhere, some of the doctors have a drink at Cheers.
• One episode of Mad About You featured Carl Reiner as his character Alan Brady from the 1960s' Dick Van Dyke Show.
• Ross Geller of Friends appeared in half episode of The Single Guy.
• Dr. Frasier Crane of Frasier appears on an episode of The John Larroquette Show.
• Daphne Moon and Niles Crane appear on an episode of Caroline in the City.
• Kathy Kinney played Mimi Bobeck from The Drew Carey Show on the episode "Two Guys, a Girl and a Psycho Halloween," from Two Guys and a Girl. (At that time the show was still going by its original title Two Guys, a Girl and a Pizza Place.)
• Crosby Braverman (Dax Shepard) from Parenthood and his baby daughter Aida appeared on About a Boy, episode 7, About a Poker Night. Crosby also appeared on episode 23 of About a Boy, "Becoming a Man".

TGIF

• Steve Urkel of Family Matters visits Full House and helps Mark in Step by Step. This actually does create a conflict when John Stamos appears as himself on Step by Step, mentioning his role on Full House as Jesse Katsopolis.
• Michelle Tanner of Full House appeared on an early episode of Hangin' with Mr. Cooper.
• On Sabrina, the Teenage Witch, Salem swallows a time ball causing everyone—as well as Boy Meets World, You Wish and Teen Angel—to travel back in time.

CBS Shameless Monday

• Ray Romano (Ray Barone) of Everybody Loves Raymond has appeared on The King of Queens. Kevin James had also appeared on Everybody Loves Raymond as a Friend of Ray's (2x05 'Golf'), before also appearing as Doug Heffernan later in the run.
• Ray Romano has also appeared as Fran Fine's old classmate in The Nanny, where Fran (played by series star Fran Drescher) attends her high school reunion. (Romano and Drescher were in fact real-life classmates at Hillcrest High School in Queens, New York.)
• Frank and Ray Barone (played by Peter Boyle and Ray Romano) appeared on an episode of Cosby, as did Doug Heffernan (played by Kevin James).
• Hilton Lucas (played by Bill Cosby of Cosby), Doug Heffernan of The King of Queens, and Frank and Ray Barone of Everybody Loves Raymond were in Becker's doctor's office on Becker.

Two to three-part episodes

• Dr. Kildare had an episode that concluded on The Eleventh Hour.
• Ben Casey helped launch Breaking Point.
• Marcus Welby, M.D. had two episodes that concluded on Owen Marshall: Counselor at Law.
• Ironside had an episode that concluded on The Bold Ones: The New Doctors.
• Third Watch has had crossovers with ER and Medical Investigation.
• Characters from George Lopez interacted with those from Freddie in episodes on both shows as part of a continuing one-night story.
• Characters from The District and The Agency appeared on each other's show when an episode of The District continued on an episode of The Agency.
• Sammo Hung, the star of Martial Law and Chuck Norris, the star of Walker, Texas Ranger appeared on each other's shows as a two-part crossover episode. Sammo also appeared as his character on an episode of Early Edition.
• That's So Raven, The Suite Life of Zack & Cody, and Hannah Montana all meet up at The Tipton Hotel in the episode That's So Suite Life of Hannah Montana.
• Wizards on Deck with Hannah Montana is a trilogy of crossover episodes between three Disney Channel original sitcoms which premiered in the United States on July 17, 2009. The crossover spanned across episodes of Wizards of Waverly Place, The Suite Life on Deck, and Hannah Montana.
• Lab Rats and Mighty Med had a one-hour crossover special entitled "Lab Rats vs. Mighty Med".
• The Practice had crossovers with Ally McBeal, Boston Public and Gideon's Crossing. What was unique about the crossovers with Ally McBeal and Boston Public was that the former went from FOX to ABC and the latter from ABC to FOX.
• The Pretender and Profiler had a two-part episode.
• Characters from the Disney Channel original series Good Luck Charlie and Shake It Up both appeared in a special crossover episode entitled "Charlie Shakes It Up", which aired on Sunday, June 5, 2011.
• Characters from the Nickelodeon shows iCarly and Victorious appeared together in a special crossover event entitled iParty with Victorious, which aired on Saturday, June 11, 2011.
• NCIS: Los Angeles agent Kensi Blye crosses over to Hawaii Five-0 on the October 21, 2011 episode, "The Good Fight". A crossover also occurs with both shows on Hawaii Five-0 April 30, 2012, continuing on NCIS: Los Angeles May 1, both episodes titles "Touch Of Death".
• Chicago Fire,Chicago P.D. and Chicago Med have had crossovers with each other and with Law & Order: Special Victims Unit, putting the Chicago series in the Law & Order universe.
• Dr. Temperance Brennan and FBI Agent Seeley Booth of Bones collaborate with Ichabod Crane and Abbie Mills Sleepy Hollow on a case involving a 200-year-old headless corpse and the forces of Pandora.
• The Vampire Diaries and The Originals have a two-part episode where Stefan goes on the run and finds safe haven in New Orleans, only to bump into Klaus.

Daytime

• Many daytime soap operas have had numerous crossovers over the years, particularly the ones that air on ABC. The baby switch storyline on ABC Daytime soap operas All My Children and One Life to Live is one such example. When All My Children debuted in 1970, ABC had Michael Storm's Dr. Larry Wolek from One Life to Live appear on All My Children for a few episodes. When Procter & Gamble canceled Another World in 1999, several characters appeared on As the World Turns.

Interactions between related shows

• The two shows Super Sentai and Kamen Rider, have numerous crossovers between individual series through episodes and cinema release films, both are produced by Toei Co., Ltd., Toei Agency and Bandai, and aired by TV Asahi (Kamen Rider used to be aired on Mainichi Broadcasting System and NET TV).
• Both Lucille Ball and Ann Sothern have had crossovers on each other's shows- In 1957, with Sothern appearing as her character, Susie MacNamara, from Private Secretary on Ball's show, the I Love Lucy sequel, The Lucy-Desi Comedy Hour. In 1959, Ball's character Lucy Richardo, appeared on Sothern's second show, The Ann Sothern Show.
• Buddy Sorrell of The Dick Van Dyke Show appears on an episode of The Danny Thomas Show.
• The Pendrottis of To Rome with Love meet Buffy Davis, Jody Davis and Giles French of Family Affair in "Roman Affair" and Robbie Douglas, Katie Miller Douglas and Uncle Charley Douglas of My Three Sons in "Rome is Where You Find It".
• Cast members from Sesame Street and The Electric Company appeared in crossovers as themselves and in character. The latter's updated version also featured characters from the original version making cameos.
• The respective police departments and the District Attorney's office in Law & Order, Law & Order: Special Victims Unit, Law & Order: Criminal Intent, Law & Order: Trial By Jury, Law & Order: Los Angeles, New York Undercover, Conviction and Homicide: Life on the Street have occasionally had crossover episodes; Richard Belzer's character, John Munch has become the only fictional character, played by a single actor, to appear on ten different television shows.
• Characters from Happy Days have had interactions with characters from their spin-off series, particularly with Laverne & Shirley. There is even a two-part episode between Happy Days and Laverne & Shirley entitled "Shotgun Wedding".
• Officers Malloy and Reed of Adam-12 work with Paul Ryan of The D.A. to have a radical tried and convicted of setting off explosives in Los Angeles.
• The title characters of The Six Million Dollar Man and The Bionic Woman had several interactions with one another. "The Return of Bigfoot" was a two-part episode between them and "Kill Oscar" was a three-part episode.
• Characters from both Angel and Buffy the Vampire Slayer visit each other in their respective series.
• Frank Cannon, the title characater of Cannon, appears on the first episode of Barnaby Jones. Afterwards, Cannon has an episode that concludes on Barnaby Jones.
• Magnum, P.I. started two crossovers that concluded on two different series - Simon & Simon and Murder She Wrote.
• The characters of Dallas occasionally interacted with those of spin-off series Knots Landing. The two shows even had a crossover storyline regarding Jock Ewing's will.
• The characters of Crossing Jordan and Las Vegas made crossover appearances.
• Characters from Chicago Hope appeared, from the show's set, on an episode of Picket Fences.
• Bud Roberts of CBS's JAG appeared on an episode of NCIS on CBS during its first season, which is a spin-off of JAG.
  • John M. Jackson reprised his JAG character A. J. Chegwidden on the season 10 finale of NCIS, May 16, 2013, 9 years after JAG ended.
• The characters of Grace Under Fire, Coach, The Drew Carey Show and Ellen all meet in Las Vegas.
• Characters of Touched by an Angel and its spinoff Promised Land have appeared on each other's shows, even an episode of Touched by an Angel that continued on Promised Land.
• Characters from Star Trek: The Original Series, Star Trek: The Next Generation, Star Trek: Deep Space Nine, and Star Trek: Voyager have met each other. (See Star Trek crossovers)
• Two of the characters from Civil Wars moved to Los Angeles and became part of the cast of L.A. Law after Civil Wars was canceled.
• Eb from Green Acres appeared on the Beverly Hillbillies, in spite of once acting in a Hooterville Production of the TV show.
• Characters of Green Acres and Petticoat Junction have appeared on each other's shows. Characters from Petticoat Junction have also crossed over to The Beverly Hillbillies.
• Some characters from The Cosby Show appeared on its spin-off A Different World, sometimes only seen talking on the phone from the set of The Cosby Show. Rudy, Vanessa, Theo, and Claire from The Cosby Show have appeared on A Different World.
• Some of the girls from The Facts of Life have appeared on Diff'rent Strokes, mostly Tootie and Natalie of The Facts of Life. Mrs. Garrett had appeared on Diff'rent Strokes several years after leaving for The Facts of Life when she attended Phillip's and Maggie's wedding. Todd Bridges also appeared as Willis from Diff'rent Strokes on The Facts of Life.
• Diff'rent Strokes had crossover episodes with Hello, Larry.
• Lani McKenzie of Baywatch appears on an episode of Pacific Blue.
• Hercules: The Legendary Journeys and Xena: Warrior Princess have numerous crossovers.
• The Inspector Gadget need the help of Mario and Luigi in the episode "Defective Gadgetry" of the live-action segment "Mario Bros. Plumbing" of The Super Mario Bros. Super Show!. Later, in the "Treasure of the Sierra Brooklyn" episode; the Inspector Gadget return to help the Mario Bros. to find a lost treasure.
• The Rangers (of Mighty Morphin Power Rangers) met Prince Dex (the Masked Rider) for the first time in a multi-part episode from season 3. This acted as an indirect spin-off for Masked Rider.
• The Teenage Mutant Ninja Turtles (The Next Mutation version) met the Space Rangers in an episode of Power Rangers in Space.
• Tsukasa Kadoya / Kamen Rider Decade and his teammates Yuusuke Onodera / Kamen Rider Kuuga and Daiki Kaito / Kamen Rider Diend teams up with the cast of Samurai Sentai Shinkenger in two episodes of Kamen Rider Decade.
• Rocky Carroll appears as NCIS director Leon Vance on NCIS , NCIS: Los Angeles, and NCIS: New Orleans. Pauley Perrette (Abby Sciuto) also crosses over as a guest star on the fifth and ninth episode of NCIS: Los Angeles, Michael Weatherly also guessed starred on the fifth episode in season 7 of NCIS Los Angeles. Several characters from NCIS have also crossed over on NCIS: New Orleans as well as those characters crossing over onto NCIS.
• Hetty Lange (Linda Hunt) of NCIS: Los Angeles appears on Scorpion, episode 5, "Plutonium Is Forever", October 20, 2014.
• Tanya Turner, a character from British drama series Footballers Wives, appeared in three episodes of sister show Bad Girls.
• The cast of The Suite Life on Deck guest starred on an episode of I'm in the Band.
• The Doctor Who story The Stolen Earth and Journeys End feature characters from both of its spin-off series Torchwood and The Sarah Jane Adventures.
• The Green Hornet and his sidekick, Kato, appeared on a two-part episode of Batman.
• On a Season 2 episode of Hannah Montana titled Take This Job and Love It, John D'Aquino and Madison Pettis appear as President Martinez and Sophie Martinez respectively. Both characters are from another Disney Channel show, Cory in the House.
• On November 9, 1991, a hurricane affected the characters of The Golden Girls, Empty Nest and Nurses. The sitcoms also experienced a full moon on Leap Day 1992.
• Kenan & Kel join the cast of Cousin Skeeter in the episode "Hoo, I'm Wild Wild West."
• In the Singaporean sitcom Living with Lydia, Lydia Lum had her first encounter with Phua Chu Kang in 1979 in a flashback episode that predated both Living with Lydia and Phua Chu Kang Pte Ltd. Both characters later acknowledge that they knew each other towards the end of the episode after Phua shows up at Lydia's place in the present day.
• Once Upon a Time and its spin-off Once Upon a Time in Wonderland had several characters appeared on both shows, as they shared the same universe.
• Arrow has crossovers with its spin-off The Flash.
• Mike Baxter of Last Man Standing crosses over to Cristela, episode 20, "Last Goose Standing", April 3, 2015.

International Crossovers

• In a case in which a character from an American television series featured a character from a foreign television series that were based on a series that originated in another country, both Ugly Betty and its Mexican counterpart La fea más bella, (both of whom were based on the Colombian series Yo Soy Betty La Fea) accomplished this rare feat. The star of the Mexican version, Angélica Vale, was anticipated to make a cameo in the 22nd episode, playing Betty Suarez's (America Ferrera) "counterpart" from the series, Leticia 'Lety' Padilla Solís; Vale instead appeared in the first season finale playing Angelica, an orthodontist's assistant who looks exactly like Lety (pre-makeover).
• Another American series, Roseanne, featured the characters from the British sitcom Absolutely Fabulous, Edina Monsoon (Jennifer Saunders) and Patsy Stone (Joanna Lumley), meeting Roseanne Conner during their trip to New York.
• David Brent of The Office, played by series creator Ricky Gervais, appeared on the U.S. version of the show.

Finishing story plot lines

• Although her character on Soap was executed in the series' final episode/cliffhanger, Jessica Tate (Katherine Helmond) appeared as a ghost on Benson the following season in which she asked her former butler to help her do a good deed before entering heaven; she discovers that her human body was in a hospital (in a coma) and survived the execution before returning.
• George and Louise Jefferson of The Jeffersons go to marriage counseling with Will and his fiancée in The Fresh Prince of Bel-Air. They later appeared in the series finale along with Phillip Drummond and Arnold Jackson from Diff'rent Strokes.
• Arnold Jackson from Diff'rent Strokes appeared on Silver Spoons.
• Hillary Banks of The Fresh Prince of Bel-Air (played by Karyn Parsons) appeared on an episode of Blossom also playing Hilary Banks, who won a date auction with Tony sponsored by his EMT job.
• The Lone Gunmen A spin-off of The X-Files which lasted only one season and ended in a cliffhanger was resolved with an episode in the final season of The X-Files.
• Frank Black (Lance Henriksen), the main character from Millennium, appears in an episode of The X-Files ("Millennium") which wraps up the plot line of that canceled series.
• Jose Chung (Charles Nelson Reilly), a single-episode character who played a major role in an episode of The X-Files, plays a major role in an episode of Millennium.
• Mike Connors reprised his Mannix role on an episode of Diagnosis: Murder in 1997, with characters from a 1973 episode with flashbacks from that episode.
• Granny from The Beverly Hillbillies appeared on Petticoat Junction and Mister Ed.
• Rose Marie and Morey Amsterdam reprise their respective Dick Van Dyke roles of Sally Rogers and Buddy Sorrell on an episode of Herman's Head.
• Boston Legal had an episode where Steven Harper (Boston Public) appeared.
• Michael Gross, who played Steven Keaton on Family Ties, appeared as Steven on Day By Day.
• The Doctor (from Doctor Who) meets Death's Head numerous times in the comic of the same name
• Author Greg Cox, in a Star Trek media tie-in two-part novel The Eugenics Wars connected the character of Jarod from The Pretender with the organization that had created Khan Noonien Singh from the Star Trek episode "Space Seed". The Chrysalis Project was also credited with the creation of the "beast" Vincent, a man with leonine characteristics, from the CBS version of Beauty and the Beast. "Chrysalis" was also the name of a villainous agency in The Invisible Man.
• Captain Caveman, from his own series Captain Caveman and the Teen Angels, was revealed to have originated from the Flintstones universe. See The Flintstone Comedy Show and The Flintstone Kids respectively for more details.
• John Constantine, the title character of Constantine, is called in by Oliver Queen on Arrow in the episode "Haunted" when things go worse for Sara Lance, who has been resurrected in the Lazarus Pit.

Animation and cartoons

• Bugs Bunny and Daffy Duck (from the Looney Tunes franchise), Huey, Dewey and Louie (from DuckTales), Winnie the Pooh and Tigger, Alvin and the Chipmunks, The Smurfs, the Muppet Babies (Kermit, Piggy and Gonzo respectively), Slimer (from The Real Ghostbusters), ALF, Michelangelo (from Teenage Mutant Ninja Turtles) and Garfield are all united to save a young boy, named Michael, from an eternity of drug abuse. (Cartoon All-Stars to the Rescue)
• Ace Ventura meets The Mask (The Mask and Ace Ventura animated series), playing off of the fact that Ace Ventura and the Mask were both played in their respective films by Jim Carrey, who did not reprise his role for either cartoon.
• Characters from Tiny Toon Adventures have appeared on Animaniacs.
• Batman fights Count Dracula. (The Batman vs. Dracula)
• Mickey Mouse co-starred with Roger Rabbit, and then met the lead characters of NBC's Must See TV series Family Ties, Cheers and L.A. Law all the while when he was exiled from recognition by his family, friends and many fans. (Mickey's 60th Birthday)
• Lilo and Stitch: The Series featured a series of crossover episodes in which Lilo and Stitch encounter the main characters from many other Walt Disney Television Animation series, including The Proud Family, American Dragon: Jake Long, Recess, and Kim Possible. (Lilo and Stitch: The Series episodes "Morpholomew", "Spats", "Rufus" and "Lax".)
• Cartoon Network once unveiled a special crossover sci-fi horror event on May 28, 2007, entitled Cartoon Network Invaded, in which an alien invasion is in adjunct with the five Cartoon Network series Ed, Edd n' Eddy, Foster's Home for Imaginary Friends, My Gym Partner's a Monkey, Camp Lazlo, and The Grim Adventures of Billy & Mandy.
• Static from Static Shock teams up with a variety of DC Comics heroes, including Superman, Batman, and at one time the members of the Justice League (except for Wonder Woman).
• The X-Files' Fox Mulder and Dana Scully appear on The Simpsons to investigate paranormal phenomena in Springfield. Leonard Nimoy is also featured as the host of this episode in a crossover/parody of In Search of.... (The Simpsons episode "The Springfield Files")
• Bart Simpson accidentally connects to Jack Bauer's (24) cell phone.(The Simpsons episode "24 Minutes")
• In the anime and manga Tsubasa: Reservoir Chronicle, characters from Cardcaptor Sakura and various other Clamp anime and manga crosses over in many separate dimensions or worlds.
• In the anime and manga Kyoshiro to Towa no Sora, characters Himiko and Kaon are said to be reincarnations of Himeko and Chikane, the heroines from the anime and manga series Kannazuki no Miko.
• The Rugrats meet the main trio of Aaahh!!! Real Monsters. (Rugrats episode "Ghost Story")
• The Rugrats meet the Wild Thornberrys. (Rugrats Go Wild)
• Jay Sherman, the main character of The Critic, visits Springfield in The Simpsons episode "A Star Is Burns". he later makes cameo appearances in "Hurricane Neddy" and "The Ziff Who Came to Dinner".
• Samantha and Darren of Bewitched appeared on The Flintstones via animation.
• The Groovie Goolies meet the Looney Tunes (sans Bugs Bunny), and then help them solve a spooky mystery involving the destruction of their movies by an unseen enemy. (Daffy Duck and Porky Pig Meet the Groovie Goolies)
• Scooby-Doo and the Mystery, Inc. gang meet Batman and Robin, Laurel and Hardy, the Addams Family, the Three Stooges, the Harlem Globetrotters, Speed Buggy, Jeannie and Josie and the Pussycats respectively on various occasions in all. (The New Scooby-Doo Movies)
• Goober and the Ghost Chasers meet the kids from The Partridge Family on many occurrences.
• Many characters from each Hanna-Barbera show, including Yogi Bear, Huckleberry Hound, Scooby-Doo, Top Cat, Dick Dastardly and Muttley, Fred Flintstone and all others respectively, may find themselves united to tackle and explore occurring special events and occasions among them in all. (The Hanna-Barbera series Scooby's All-Star Laff-A-Lympics, Yogi's Space Race and Yogi's Treasure Hunt)
• Johnny Bravo occasionally interacts with older Hanna-Barbera characters. (i.e. Scooby-Doo, The Flintstones, and Huckleberry Hound).
• Al Capp's comic strip character The Shmoo and Captain Caveman are (or were) respectively friends and/or relatives of the Flintstone family. (The Flintstone Comedy Show and The Flintstone Kids)
• Hercules teams up with Aladdin. (Disney's Hercules episode "Hercules and the Arabian Night").
• Multiple Nintendo and third party video game characters exist in Video Land, including Mega Man, Simon Belmont, Pit (erroneously referred to as Kid Icarus), Eggplant Wizard, Mother Brain, King Hippo, and Link (Captain N: The Game Master).
• I Am Weasel, appeared in one episode of his cartoon at a retirement home for old Hanna-Barbera characters, including Jonny Quest and Ranger Smith from The Yogi Bear Show. (I Am Weasel episode "I Am My Lifetime")
• Billy from The Grim Adventures of Billy & Mandy needs to be helped by the five main characters from Codename: Kids Next Door in The Grim Adventures of the Kids Next Door. Ed, Edd n Eddy made a cameo in this episode.
• The Grim Adventures of Billy & Mandy episode showing Mandy buying the Island of Evil Con Carne. (The Grim Adventures of Billy & Mandy episode "Chicken Ball Z")
• The Grim Adventures of Billy & Mandy episode featuring General Skarr from Evil Con Carne moving into the neighborhood and becoming a supporting character. (The Grim Adventures of Billy & Mandy episode "Skarred for Life")
• Foster's Home for Imaginary Friends episode featuring Mandy of The Grim Adventures of Billy & Mandy appearing at the door, seemingly returning an imaginary friend she adopted for being "too happy".
• Ben 10 meets Generator Rex. (Ben 10/Generator Rex: Heroes United)
• DC Comics superheroine Isis is united with former Space Sentinel Hercules, his flying horse Pegasus, and folk tale heroes Merlin and Sinbad the Sailor, along with a new original superhero character Super Samurai, to fight evil forces, especially from those of Merlin and Super Samurai's relatives; the former being Morgana. (Filmation's Tarzan and the Super 7 segment The Freedom Force)
• He-Man and the Masters of the Universe crossed oved with its sister show She-Ra: Princess of Power many times on various occasions, beginning with the 1985 animated film The Secret of the Sword.
• An episode of Adult Swim's Sealab 2021 ended with the realization that the episode (or at least the fight scene at the end) was actually a video game being played by Aqua Teen Hunger Force characters Meatwad and Master Shake.
• An episode of The Brak Show featured Aqua Teen Hunger Force's Meatwad riding quickly past the screen on a unicycle.
• Dial M For Monkey villain Huntor, from Dexter's Laboratory, appears briefly as hunting and fighting Samurai Jack. (Samurai Jack episode "Jack vs. Mad Jack")
• The Planet Express crew get sucked into a Simpsons comic book, and the entire cast of the Simpsons becomes reality in the Futurama universe. (Simpsons/Futurama comic book mini-series Futurama/Simpsons Infinitely Secret Crossover Crisis)
• There is a crossover trilogy with The Fairly OddParents and Jimmy Neutron, in which Timmy Turner and Jimmy Neutron first switch places, then later on meet characters from each other's shows. (The Jimmy Timmy Power Hour and its sequels, When Nerds Collide and The Jerkinators)
• Cosmo and Wanda also appear on Ned's Declassified School Survival Guide, where they help Ned Bigby in his daydreaming sequence. (Ned's Declassified episode "Ned's Guide to: Daydreaming")
• In the Transformers animated series, which took place in the then-futuristic year of 2005, G.I. Joe's nemesis Cobra is defunct, and Cobra Commander is a broken old man who hangs out in the park feeding pigeons.
• Superman and Wonder Woman, at one point, once crossed over with the animated incarnations of the kids from The Brady Bunch. (The Brady Kids episode "That Was No Worthy Opponent, That Was My Sister")
• Captain Marvel crossed over with the characters from Hero High on some varying occurrences. (The Kid Super Power Hour with Shazam!)
• Space Ghost had met all of the lead characters from their respective shows Moby Dick and the Mighty Mightor, The Herculoids and Shazzan! previously in the six-part finale of the original 1960s series The Council of Doom, before later eventually crossing over with The Herculoids once more, The Teen Force and Astro from The Jetsons for multiple battles and various final confrontations in the 1980s package series Space Stars, and even later, meeting the prototypes of the main protagonists of the Adult Swim series Aqua Teen Hunger Force, which he and his arch enemies Zorak and Moltar will make brief cameos in.
• Notable King Features comic strip characters Popeye the Sailor, Henry, The Little King and Little Jimmy all crossed over with Betty Boop in her animated cartoon series and resulting universe respectively. (The Betty Boop series shorts Popeye the Sailor, Betty Boop with Henry, the Funniest Living American, Betty Boop and the Little King and Betty Boop and Little Jimmy)
• In a rare usual move, Herman and Katnip, Spunky, Little Audrey, Baby Huey, Pal, Tommy Tortoise and Moe Hare, Wolfie and Buzzy the Crow make a special cameo crossover appearance with Casper the Friendly Ghost when he visits Paramount's cartoon studio. (Casper the Friendly Ghost series short Ghost of Honor)
• Arsène Lupin III meets and battles Shinichi Kudo from Detective Conan. (Lupin the 3rd vs Detective Conan)
• Two separate Comedy Central series meet when South Park's Mr. Garrison consults Dr. Katz, Professional Therapist in "Summer Sucks".
• The Jetsons travel back in time to meet The Flintstones. (The Jetsons Meet the Flintstones)
• The King Features Syndicate comic strip alumni of Popeye the Sailor, Flash Gordon, The Phantom, Mandrake the Magician, and many more, all united for a big confrontation against evil scientist, Professor Morbid Grimsby. (Popeye Meets the Man Who Hated Laughter)
• Mr. Magoo met Gerald McBoing-Boing, when his parents had hired him to be his babysister, in the television series adaptation of Magoo's theatrical cartoon series. (Mr. Magoo TV series short Magoo Meets McBoing-Boing)
• Gerald McBoing-Boing, in turn, would later guest star with Mr. Magoo in Mr. Magoo's Christmas Carol.
• Various old Hanna-Barbera characters hire, get sued by, or work with Harvey Birdman. (Harvey Birdman, Attorney at Law)
• The Blue Falcon and Dynomutt visit Dexter's Laboratory. (Dexter's Laboratory episode "Dyno-Might")
• Martin Mystery meets the Totally Spies! gang. (Totally Spies! episode "Total Mystery Much?")
• King Features comic strip heroes Flash Gordon, Mandrake the Magician, The Phantom and Lothar are reluctantly united to battle Ming the Merciless for total domination and defence of the planet Earth. (Defenders of the Earth)
• An episode of The Cosby Show featured the Muppets in Cliff's nightmare. Most notably Gonzo.
• Several food related characters (such as The Jolly Green Giant and The Salt Girl) appear in a Mastercard commercial together. Mr. Clean also makes a cameo at the end of the commercial.
• Arthur and Mr. Rogers both make a guest appearance in each other's shows. In Mr. Rogers' Neighborhood, Arthur was a puppet; in Arthur's show, Mr. Rogers was an anthropomorphic aardvark.
• Mickey Mouse, Donald Duck, Goofy, Popeye the Sailor and Felix the Cat were all featured in a French pro-Nazi propaganda cartoon in which just all five of the world's most popular cartoon characters flew World War II bombers which they used to kill innocent bystanding Frenchmen. (Nimbus libéré (1944))
• The 2003 incarnations of the Teenage Mutant Ninja Turtles are forced to team up with their former 1987 pizza-loving counterparts and as well as their darker, gritter and more menacing Mirage Studios comic book counterparts in order to save themselves and their resulting universe from being erased. (The 2009 film Turtles Forever)
• Characters from Family Guy and American Dad! have appeared on each other's shows. Family Guy and spin-off The Cleveland Show have also had characters crossing over between shows. All three of these shows were finally seen together in Night of the Hurricane, a three-part crossover event that involves a hurricane hitting the towns of Quahog, Langley Falls and Stoolbend. (The following episodes The Hurricane!, Seahorse Seashell Party and Hurricane!)
• Bart Simpson (from The Simpsons) has appeared in American Dad! (Season 10 Episode Faking Bad).
• Homer Simpson (from The Simpsons) shows up in the end of Duckman episode "Duckman and Cornfed in 'Haunted Society Plumbers'" which starts off in the style of the Treehouse of Horror series of Halloween specials.
• During the Family Guy episode "The Splendid Source", Bender from Futurama appears while Peter Griffin, Joe Swanson, and Glenn Quagmire try to find the source of a dirty joke. Also on the same episode, Peter, Joe, Quagmire, Lois Griffin, and Bonnie Swanson meet characters from Family Guy's spin-off series The Cleveland Show.
• The Comic Book Guy from The Simpsons has appeared in The Cleveland Show. (The Cleveland Show episode "Hot Cocoa Bang Bang")
• At the Mystery Solvers Club State Finals, Scooby-Doo teamed up with fellow mystery-solver sidekicks Speed Buggy, Jabberjaw, Captain Caveman and The Funky Phantom to rescue their friends from the clutches of the demonic Lord Infernicus. (Scooby-Doo! Mystery Incorporated episode "Mystery Solvers Club State Finals")
• Phineas and Ferb meet the heroes from Marvel Universe in the crossover Phineas and Ferb: Mission Marvel.
• Michelangelo, Batman, Wonder Woman, Superman, Green Lantern, and other LEGO characters. (The Lego Movie)
• Ben 10 meets The Secret Saturdays for the first time in the episode, T.G.I.S.
• The Griffins meet the Simpsons in the hour-long Family Guy-Simpsons crossover episode "The Simpsons Guy", in which Bob Belcher from Bob's Burgers, Roger from American Dad!, and Fred Flintstone from The Flintstones also appear.
• The Simpsons meet the Planet Express crew in the Simpsons-Futurama crossover episode "Simpsorama".
• The cast of Jessie (TV series) meet the web-slinging superhero Spider-Man in an Halloween episode of Ultimate Spider-Man (TV series)
• The main protagonist of the first five Digimon series(Tai Kamiya, Davis Motomyia, Takato Musuki, Takuya Kanbara, and Marcus Damon) were summon by the Old Clock Shop man to help the Hunters defeat Quartzmon.
• Steven Universe meets Uncle Grandpa in the episode "Say Uncle".
• Tom and Jerry team up with Jonny Quest in "Tom and Jerry: Spy Quest"
• Spider-Man meets the X-Men in the Spider-Man: The Animated Series episodes "The Mutant Agenda" and "Mutants' Revenge".

Movies

• Special Agent Ray Nicolette from Jackie Brown makes a cameo appearance in Out of Sight.
• Jay and Silent Bob from Clerks are mistaken for prophets in Dogma.
• Freddy Krueger and Jason Voorhees slash through each other. (Freddy vs. Jason)
• King Kong battles Godzilla. (King Kong vs. Godzilla)
• The Alien species battles the Predator race. (Alien vs. Predator and Aliens vs. Predator: Requiem). There is an Alien skull featured as a trophy in the Predators ship near the end of Predator 2
• Zatoichi duels with Yojimbo and The One-Armed Swordsman. (Zatoichi Meets Yojimbo and Zatoichi Meets the One-Armed Swordsman)
• The Dollman and the Demonic Toys square off against each other. (Dollman vs. Demonic Toys)
• The Puppet Master puppets engage in battle against Demonic Toys. (Puppet Master vs Demonic Toys)
• Frankenstein's Monster battles The Wolf Man. (Frankenstein Meets the Wolf Man)
• Frankenstein's Monster also battles Count Dracula. (Dracula vs. Frankenstein and Dracula contre Frankenstein (aka Dracula, Prisoner of Frankenstein) respectively)
• Count Dracula fights Batman, Billy the Kid, Bonnie and Clyde, Emmanuelle and the Killer Barbies. (Batman Dracula, Billy the Kid vs. Dracula, Batman Fights Dracula, Bonnie & Clyde vs. Dracula, Emmanuelle vs. Dracula and The Killer Barbys vs. Dracula respectively)
• Hercules, Samson, Ursus and Maciste team up on some occasions. (Sword and sandal films and film series)
• Django, Sartana and Trinity team up, and/or are friends/enemies/frenemies and/or relatives on some occasions. (Spaghetti Western films and film series)
• Arsène Lupin battles Sherlock Holmes. (Arsène Lupin contra Sherlock Holmes)
• Nick Carter fights Zigomar. (Zigomar contre Nick Carter)
• Fanny Hill confronts Lady Chatterley. (Lady Chatterley vs. Fanny Hill)
• Animated characters from various studios appear together in Who Framed Roger Rabbit, most notably, Bugs Bunny and Mickey Mouse.
• Capt. Jean-Luc Picard meets Capt. James T. Kirk in Star Trek Generations.
• Captain America, Iron Man, Thor and The Hulk are united to become the Avengers. (The Avengers)
• Robert Downey Jr. appears as Tony Stark from the 2008 film Iron Man on The Incredible Hulk, also made the same year.
• Mark Ruffalo appears as Bruce Banner in Iron Man 3.
• Chris Evans appears as Captain America in Thor: The Dark World.
• The Sesame Street gang made co-star cameos in the first three Muppet films. (The Muppet Movie featured Big Bird and some of the whole gang, The Great Muppet Caper featured Oscar the Grouch and The Muppets Take Manhattan featured nearly and entirely the whole gang, including Bert and Ernie and the Cookie Monster!)
• The characters from The X-Men trilogy and X-Men: First Class met in X-Men: Days of Future Past.
• Emmett Brown from the Back to the Future trilogy and Django from Django Unchained make cameos in Seth MacFarlane's A Million Ways to Die in the West.
• Superman and Batman will be teaming up in Batman v Superman: Dawn of Justice, the sequel to Man of Steel.

Comics

• Godzilla crossed over with the Marvel Universe. (Godzilla, King of the Monsters, Marvel Comics)
• Transformers meet Spider-Man. (Transformers, Marvel Comics)
• Transformers meet G.I. Joe. (G.I. Joe and the Transformers, Marvel Comics)
• Conan meets Elric. (Conan the Barbarian, Marvel Comics)
• The different superheroes of the DC Universe and the Marvel Universe often interact, despite appearing in separate series.
• Judge Dredd visits Batman's universe. (Judgment on Gotham, Vendetta on Gotham, The Ultimate Riddle, Die Laughing)
• Quasar travels to the New Universe, and brings the Star Brand back with him.
• Marvel Comics comics characters travel to the Ultraverse, and vice versa.
• Solar meets Void of WildC.A.T.S.. (Deathmate)
• Superman was brought to Eternia and controlled by Skeletor where he fought He-Man. (DC Comics Presents issue #47, DC Comics)
• Batman meets The Darkness. (The Darkness/Batman, DC Comics; Note that Jackie Estracado frequently mentions this event, implying that the Top Cow universe has its own version of Batman and Gotham City, rather than the official DC Universe version, however, this particular issue was in fact, a collaboration with DC and Top Cow.)
• Batman meets The Spanish Inquisition.
• Invincible joins Spider-Man in Marvel Team-Up #14.
• Green Lantern Kyle Rayner met Marvel's Silver Surfer in a crossover where they fought Parallax (Hal Jordan). (Green Lantern/Silver Surfer #1)
• Ash of the Evil Dead series battles Marvel's superhero zombies. (Marvel Zombies vs. The Army of Darkness), as well as later battling Freddy Krueger and Jason Voorhees in Freddy vs. Jason vs. Ash.
• The Crossover Wars: A huge number of webcomics defend their respective 'worlds' against the characters of Evil Overlords United.
• Sonic the Hedgehog and the Knothole Village Freedom Fighters meet the superhero characters of Image Comics in Sonic Super Special issue #7 (featuring Savage Dragon, Spawn, the Maxx, Shadowhawk).
• In Sonic the Comic, the Marixio brothers are a trio of electricians based on Mario and the Marx Brothers.
• Sonic the Hedgehog meets the characters of Sonic Underground in a Sonic Super Special issue.
• The League of Extraordinary Gentlemen takes many characters and puts them into one graphic novel (including characters from Dracula, The Invisible Man, and Strange Case of Dr. Jekyll and Mr. Hyde.
• Sonic the Hedgehog and Princess Sally Acorn meet the cast of Sabrina the Teenage Witch, in a 2-part crossover beginning in an issue of Archie Comics Sabrina comic series, and ending in a Sonic Sonic Super Special
• Sonic the Hedgehog teams up with Capcom's Mega Man (Sonic & Mega Man: When Worlds Collide).
• The Justice League of America meet the Looney Tunes. (Superman & Bugs Bunny).
• Archie Andrews meets The Punisher.
• The Mighty Morphin Power Rangers team up with Masked Rider for a second time. (Masked Rider, Marvel Comics)
• Power Rangers: Turbo teams up with Beetleborgs Metallix. (Power Ranger: Turbo Vs. Beetleborgs Metallix, Acclaim Books).
• The Mask meets the Joker. (Joker/Mask, Dark Horse Comics)
• Betty Boop once met, and later teamed up with Felix the Cat, when they were both revived for a short-lived '80s comic strip. (Betty Boop and Felix, King Features Syndicate)
• For a couple weeks in August 2005, characters from many of the major newspaper comic strips (such as Hägar the Horrible, Beetle Bailey, Curtis, Mutts, etc.) would appear in or be mentioned by each other's comics, all in preparation for the 75th anniversary of Blondie and Dagwood Bumstead on Sunday, September 4, 2005.
• In 2013 and 2015, the Sonic the Hedgehog comic series crossed over with the Mega Man comic series, both produced by Archie Comics. The first crossover took place solely between Sonic and Mega Man and featured primarily game-exclusive characters from both franchises. The second crossover would include the Mega Man X and Sonic Boom franchises, various other Sega and Capcom properties, and comics-exclusive characters from each series.
• The eleventh incarnation of Doctor Who and his companions Amy Pond and Rory Williams meet the characters of Star Trek: The Next Generation in the graphic novel series Doctor Who/Star Trek: The Next Generation: Assimilation², which features the two groups of heroes joining forces against an alliance between the Borg and the Cybermen. A flashback sequence in this crossover also saw the Fourth Doctor team up with the cast of Star Trek: The Original Series.
• Samurai Jack, Ben Tennyson, Dexter and the Powerpuff Girls must team up with the help of the Eds to prevent the League of Extraordinary Villains (Aku, Vilgax, Mandark and Mojo Jojo) from taking over the world in the comic mini-series "Cartoon Network: Super Secret Crisis War", the missing robots are teleported into the five worlds of Johnny Bravo, The Grim Adventures of Billy & Mandy, Foster's Home for Imaginary Friends, Cow and Chicken and Codename: Kids Next Door.
• The Powerpuff Girls pursue Dee Dee across the universes of Dexter's Laboratory, Courage the Cowardly Dog, Cow and Chicken and Foster's Home for Imaginary Friends in "Powerpuff Girls Super Smash-Up", which follows the events of "Cartoon Network: Super Secret Crisis War".

Novels

• In the 2015 novel Bum Rap by Paul Levine, ex-linebacker-turned-lawyer Jake Lassiter, protagonist of ten earlier books, teams up with Steve Solomon and Victoria Lord from the author's Solomon vs. Lord series of legal thrillers.
• There is a single shared scene between Drowned Hopes by Donald E. Westlake, and 32 Cadillacs by Joe Gores.
• In Final Notice by Joe Gores, the character Parker from Donald E. Westlake's Parker series appears, apparently in the planning stages of Plunder Squad.
• Nancy Drew and the Hardy Boys (both of which were owned by Stratemeyer Syndicate) first appeared together in 1978 in The Hardy Boys/Nancy Drew Mysteries TV show, and three years later, in 1981 they appeared in a novel together for the first time, titled Nancy Drew and the Hardy Boys Super Sleuths!. Since then there have been numerous crossovers between Nancy Drew and the Hardy Boys, most notably in the 1988 young adult novel series, Nancy Drew and Hardy Boys Supermystery and currently in the new Nancy Drew and the Hardy Boys Super Mystery series. In 1992, the Hardy Boys teamed up with another Stratemeyer Syndicate character, Tom Swift for a short lived two volume crossover series, untitled Hardy Boys and Tom Swift Ultra Thriller.
• In the fantasy novel, Brisingr, by Christopher Paolini, the author referenced an epitaph from Doctor Who and said that the Doctor can travel to other dimensions.
• The Dark Tower series is connected to other titles by Stephen King
• "The Son of Sobek" by Rick Riordan is a crossover short story of two of his popular book series "Percy Jackson and the Olympians/The Heroes of Olympus" and "The Kane Chronicles", where Percy Jackson and Carter Kane meet and kill a godly crocodile.

Video games

Main article: Fictional crossovers in video games

• The Super Smash Bros. series, features various characters from multiple Nintendo videogame series, with its second sequel Brawl featuring the third party characters Sonic the Hedgehog and Solid Snake and the third sequel fourth game featuring Mega Man and Pac-Man.
• Capcom vs. SNK (series) pits characters from the two companies in a crossover fighting game.
• Tomb Raider meets Witchblade and The Darkness, and assists in reviving Butcher Knight (Top Cow comics)
• Django and Otenko from Boktai appear in Mega Man Battle Network 4 and Mega Man Battle Network 6
• MegaMan.EXE and ShadeMan.EXE from the Mega Man Battle Network series appear in Boktai 2: Solar Boy Django
• Master Hand, the prime antagonist of the Super Smash Bros. series, appears as a mini-boss and later as a boss in Kirby & the Amazing Mirror
• Link, Heihachi, and Spawn appear in Soulcalibur II and come from "other dimensions" searching for Soul Edge.
• Starkiller, Darth Vader and Yoda from Star Wars appear in Soulcalibur IV.
• Namco × Capcom for the PlayStation 2 is a strategy RPG featuring multiple Capcom and Namco characters that are brought together due to a dimensional rift.
• Nintendo's character Wario has appeared in a crossover game with Bomberman, and had a cameo appearance in Densetsu no Stafy 3.
• Mortal Kombat vs. DC Universe for the Xbox 360 and PS3 is a crossover fighting game which contains characters from both the Mortal Kombat franchise and DC Comics universe.
• Itadaki Street DS, the latest installment in Square-Enix's Itadaki Street series, is a crossover/party game starring Mario characters and characters from the Dragon Quest universe.
• Crash Bandicoot Purple: Ripto's Rampage and Spyro Orange: The Cortex Conspiracy were both released as crossovers of the Crash Bandicoot and Spyro universes respectively.
• In the Kingdom Hearts series, there are Disney and Final Fantasy characters in the game. Most of the worlds are from Disney films, such as The Lion King and Pirates of the Caribbean: The Curse of the Black Pearl.
• SNK's fighting game series The King of Fighters originally began as a crossover between characters from Fatal Fury, Art of Fighting, Psycho Soldier, and Ikari Warriors. The company later produced a similar game titled NeoGeo Battle Coliseum, which combines characters from further franchises such as Samurai Shodown, Metal Slug, and The Last Blade.
• In 1996, Capcom produced X-Men vs. Street Fighter, a fighting game crossover between Marvel's X-Men and Capcom's Street Fighter franchises. This eventually evolved into the Marvel vs. Capcom series, which included a greater range of characters from companies' properties.
• Multiple Mario characters competing against each other in sports and bringing Pac-Man (Mario Kart Arcade GP) and Final Fantasy (Mario Hoops 3-on-3) characters.
• The presence of Aiai from Super Monkey Ball, Ulala from Space Channel 5, and Nights from Nights into Dreams... in Sonic Riders.
• Most games developed by Nippon Ichi Software have characters fight, or at least encounter, other first-party characters in optional side quests.
• Multiple fighting game characters (currently Street Fighter, Mortal Kombat, and Tekken) are pitted against each other (Epic Battles).
• DreamMix TV World Fighters features characters from Takara, Hudson Soft, and Konami, fighting against each other in Smash Bros. esque matches.
• Ganbarion's Jump Super Stars series on the Nintendo DS and 8ing/Q Entertainment's Battle Stadium D.O.N features Shounen Jump characters facing off against each other in Smash Bros. esque matches.
• Nicktoons Unite! is a Nickelodeon crossover featuring the shows SpongeBob SquarePants, The Fairly OddParents, The Adventures of Jimmy Neutron: Boy Genius, and Danny Phantom. 3 sequels were made called "Battle for Volcano Island", "Attack of the Toybots", and "Globs of Doom". Before that, various multiple Nicktoons characters had already met with each other, having to compete in party bashes, fighting tournaments, sports and racing competitions in a few other Nickelodeon crossover video games released to multiple games console systems and other banners, among them were Nicktoons Racing, Nickelodeon Party Blast, Nicktoons Basketball, Nicktoons: Freeze Frame Frenzy, Nicktoons Winners Cup Racing, Nicktoons Nitro.
• Cartoon Network's FusionFall is a crossover of all the Cartoon Network original cartoons in a video game and manga book. Previously, there had been other few Cartoon Network crossover video games released to various games brands and consoles throughout the years, among them Block Party, Punch Time Explosion, CN Racing and Cartoon Network Speedway.
• The latest Disney Channel DCOM-based video game, a crossover entitled Disney Channel All Star Party, finally united the lead characters from Phineas and Ferb, Hannah Montana, Wizards of Waverly Place and the Camp Rock film series for a penultimate all-star musical karaoke dance-off.
• The games Mario and Sonic at the Olympic Games, Mario and Sonic at the Olympic Winter Games, Mario & Sonic at the London 2012 Olympic Games, Mario & Sonic at the Sochi 2014 Olympic Winter Games and Mario & Sonic at the Rio 2016 Olympic Games feature characters from Nintendo's Mario universe, and Sega's Sonic the Hedgehog universe competing against each other in Olympic events. This was the first time the two former rival characters appeared in the same game together.
• PlayStation Move Heroes includes characters from the Jak and Daxter games, Sly Cooper games, and Ratchet & Clank games.
• PlayStation All-Stars Battle Royale is a game in the vein of Super Smash Bros., pitting various PlayStation characters from PlayStation-exclusive games (and some third-party characters) against each other in fights

Other

• Teenage Mutant Ninja Turtles and Usagi Yojimbo have had crossovers in virtually every medium either has appeared in.
• Frosty the Snowman and Rudolph the Red-Nosed Reindeer team up after Winterbolt, an evil snow wizard, tricks them into leaving the North Pole. (Rudolph and Frosty's Christmas in July)
• The Grinch battles The Cat in the Hat (The Grinch Grinches the Cat in the Hat).
• The Hanna-Barbera cartoon party of Yogi Bear, Boo-Boo Bear, Huckleberry Hound, Snagglepuss, Quick Draw McGraw, Augie Doggy and Doggy Daddy come to a strange old house to celebrate Christmas with Casper the Friendly Ghost. (Casper's First Christmas)
• The multiple characters from Sesame Street and Fraggle Rock, and even Muppets creator Jim Henson himself, join in with Kermit the Frog, Gonzo, Miss Piggy and the whole Muppets gang to celebrate Christmas with them when they are visiting Fozzie Bear's mother to join her in the festive holiday. (A Muppet Family Christmas)
• Bert and Ernie are seen in Forrest Gump on a television set, as watched by Forrest Jr.
• Mickey Mouse meets The Muppets in the climax of the Muppet-starring Disney TV special The Muppets at Walt Disney World (1990).
• Bugs Bunny makes a brief cameo in the 1944 Paramount Pictures George Pal Puppetoon Jasper Goes Hunting.
• The fact that the 1986 animated feature GoBots: Battle of the Rock Lords was nearly a crossover of GoBots and The Rock Lords is due to the fact that the Rock Lords were spun off into their own toy line, much later after the movie was released.
• Ian and Matt from Mac Hall meet Piro and Largo from Megatokyo (both series)
• A story arc in Dragon Ball involves Son Goku meeting Arale and the cast of Dr. Slump (Akira Toriyama's previous manga). The young Goku would appear in a later anime adaptation of Dr. Slump produced during the 1990s. Many Dragon Ball characters also appeared in Toriyama's later parody manga Neko Majin Z.
• Characters from Battle of the Planets meet the ThunderCats (Battle of the Planets/ThunderCats, Top Cow).
• Aliens, Predators, and Terminators fight each other (Aliens versus Predator versus The Terminator).
• Mortadelo and Filemon meet Rompetechos, another character created and owned by Mortadelo and Filemon's author Francisco Ibanez. This has happened commonly, as they also meet other characters created and owned by other authors but published the same company, like Zipi y Zape and Superlópez.
• David Letterman and Paul Schäfer once teamed up with the Avengers to face the Mechano-Marauder.
• Spider-Man joined forces with the cast of Saturday Night Live in an issue of "Marvel Team-Up". Stan Lee made a cameo appearance in this story.
• Mexican comedian Chespirito make some crossovers with his characters:
  • El Chapulin Colorado meets El Chavo del Ocho (the two most famous Chespirito characters) in the episode "Todo queda en familia" ("All in the family"), because El Chavo invokes El Chapulin to help him with the problems between Don Ramon and Doña Florinda. Later, in the three-part episode "El Disfraz, el Antifaz y Algo Más" ("The disguise, the Mask and Something More"), Los Caquitos are the main antagonists on a smuggling during a costume party and El Chapulin will stop them (the episode also made some cameos from other Chespirito characters like El Chavo, Quico, Dr. Chapatin and the tributes to Charlie Chaplin's The Tramp and Laurel and Hardy). Finally, in the episode "Blancanieves y los Siete Churinfurinfunflais" ("Snow White and the Seven Churinfurinfunflais"), El Chapulin help the Professor Jirafales from El Chavo to teach the class to his alumns (the kids from the same series) and he tells them the (parodic) story of Snow White (the entire episode is also a parody and a tribute to Disney's Snow White and the Seven Dwarfs and was produced with the special collaboration of Walt Disney).
  • El Chavo's crew meets the Dr. Chapatin in a Chespirito episode.
  • A special named "Hotel Emporio" (Emporium Hotel) from the Chespirito TV series features as the main protagonists El Chavo's Doña Nieves, Dr. Chapatin and Los Chifladitos.
• Raven Baxter appears in the Cory in the House episode, Mall of Confusion.
• Characters from Family Guy fight characters of American Dad!. (American Dad! vs. Family Guy online game)
• In Looney Tunes: Back in Action (2003); The aliens, robots and monsters included the flying brains (from Fiend Without a Face (1958)), the Metaluna Mutant (from This Island Earth (1955)), a Triffid (from The Day of the Triffids (1962)), Robby the Robot (from Forbidden Planet (1956)), the Daleks (not from the television series Doctor Who, but from the Amicus Dr. Who/Dalek films instead), Dr. Miles J. Bennell with a Pod (from Invasion of the Body Snatchers (1956)), the eponymous Robot Monster (from Robot Monster (1953)), various generic aliens and the eponymous alien visitor from The Man from Planet X (1951). Meanwhile, Matthew Lillard (making a brief cameo in said film) was last seen in a commissary scene, briefly talking to the animated Scooby-Doo and Shaggy about his performance in the live-action/CG animated Scooby-Doo film.
• The Doctor, Ace and Bernice Summerfield meet Sherlock Holmes, Doctor Watson and then all of them do battle with H. P. Lovecraft's Cthulhu Mythos monsters. (Doctor Who: The New Adventures novel All-Consuming Fire (1994))
• Author Dave Stone said that the Doctor Who: The Missing Adventures novel Burning Heart (1997) was originally planned to be a crossover with Judge Dredd, which was eventually later scrapped.
• Dr. Brains from the Lego Power Miners toy series becomes a diver in the Lego Atlantis series. (Lego)

Explicitly outside continuity

These are crossovers that exist outside of their own setting, as an alternate universe or a "what if" scenario. Non-continuity crossovers may still borrow or resolve plots from their respective series, but have no evidence to support their occurrence officially in either setting.

• Archie meets The Punisher (Archie Meets the Punisher)
• Batman fights Predator (Batman vs Predator I, II, III)
• Batman fights Aliens
• Spawn meets Batman (Spawn/Batman and Batman/Spawn)
• Michael Myers fights Jason Voorhees
• RoboCop fights the Terminator (RoboCop versus the Terminator)
• Aku vs. Vilgax (Super Secret Crisis War)
• RoboCop vs. Darth Vader (movie The Indian in the Cupboard)
• Magnus, Robot Fighter fights Predator
• Judge Dredd fights Predator
• Judge Dredd fights Aliens
• Superman fights Aliens
• Superman fights Muhammad Ali (Superman vs. Muhammad Ali)
• Superman fights the Terminator
• Witchblade and The Darkness fight Aliens and Predator
• Wolverine meets Witchblade
• Wolverine vs Spider-Man (Spider-Man animated series) episodes "The Mutant Agenda" and "Mutants' Revenge"
• X-Men meet WildC.A.T.S.
• X-Men meet Star Trek: The Original Series and Star Trek: The Next Generation characters
• Multiple Hanna-Barbera characters meet with Yogi Bear and Boo Boo Bear. (Yogi's Gang and Yo Yogi! respectively)
• Looney Tunes, Disney cartoons, Woody Woodpecker, Droopy, and Betty Boop appear as residents of Toontown in Who Framed Roger Rabbit.
• Dimensions in Time was a special charity episode of Doctor Who, in which various incarnations of the Doctor visit Albert Square and meet various characters from the soap opera EastEnders.
• East Street is a special charity episode of EastEnders, produced for BBC's 2010 Children in Need telethon, in which the characters from that aforementioned series visit the titular setting of and meet various characters from the soap opera Coronation Street.
• Coronation Street: Viva Las Vegas! had already included some characters from another related rival soap opera Emmerdale.
• Danny McGuire, a fictional character previously played by Gene Kelly in the 1944 film Cover Girl, had reappeared as a secondary character in the 1980 film Xanadu.
• Various dating sim characters meet solely to fight each other (Eternal Fighter Zero)
• Multiple Weekly Shōnen Jump characters meet solely to fight each other (Jump Super Stars)
• Quake III features the protagonists of several Id Software first-person shooter games meeting together solely to fight each other.
• Various Super Robot and Mecha anime heroes team up and carry out their respective storylines side by side in the long running Super Robot Wars video game series.
• Various Leaf characters meet solely to fight each other (The Queen of Heart series).
• Various Konami characters join together to defeat a common or unknown enemy (the Wai Wai World and Parodius series) or competing against each other (Konami Krazy Racers).
• Transformers and G.I. Joe.
• In the Star Trek novel Ishmael, author Barbara Hambly has Mr. Spock, through time travel, meeting the characters from the TV series, Here Come the Brides. Doctor Who also makes two cameos in the book.
• An episode of Sabrina, the Teenage Witch had her chasing Salem through time into all the other TGIF shows at the time, including Boy Meets World, which was sent back to the day after the Pearl Harbor attack; You Wish, which was sent back to the 1950s; and Teen Angel, where Sabrina finally caught Salem and flirted with the title character.
• "Cross Epoch" is the title of a Dragon Ball Z crossover with One Piece.
• Various Nintendo characters fight each other in the Super Smash Bros. series.
• Disney characters and Final Fantasy characters coexisting in the Kingdom Hearts series.
• In the Family Guy episode, Lois Kills Stewie, which turned out to be a simulation along with the previous episode, Stewie Griffin attempts to hack into the power grid at the CIA in a plan for world domination, only to be confronted by Stan Smith and Avery Bullock from American Dad!, who have no choice but to give in to Stewie's demands to be "President of the World." Both shows were created by Seth MacFarlane.
• On Family Guy Brian Griffin is watching an episode of Scarecrow and Mrs. King in "Deep Throats", but instead of Bruce Boxleitner’s character, secret agent Lee "Scarecrow" Stetson, Kate Jackson’s Amanda King is paired with the Scarecrow from The Wizard of Oz.

Gag cameo

A character appears only briefly in another setting, mainly for joke purposes.

• Belle from the 1991 film Beauty and the Beast crosses the street in The Hunchback of Notre Dame.
• Sebastian from the 1989 film The Little Mermaid was pulled out by Genie in Aladdin, along with the first few notes of "Under The Sea" playing.
• A tea set that has a striking similarity to Mrs. Potts and Chip, also of Beauty and the Beast was shown for a few seconds in Tarzan (it can also be seen in Deep Jungle in Kingdom Hearts, despite the fact that Belle and the Beast are somewhat important plot characters).
• Pumbaa from The Lion King (1994) being carried on a spit in The Hunchback of Notre Dame
• Also, Scar of The Lion King makes an appearance in Hercules as the skin of the Nemean Lion, worn by the titular character in one scene.
• King of the Hill characters appear on The Simpsons to comment on a peewee football game in the episode "Bart Star". A Bart Simpson doll often appears in Bobby Hill's room on King of the Hill.
• Rocket J. Squirrel appears in the Family Guy episode "The Thin White Line," mimicking a familiar scene from The Rocky and Bullwinkle Show.
• Bud Bundy (played by David Faustino) of Married... with Children appeared briefly on Parker Lewis Can't Lose, in a detention room scene, "and I don't even go to this school!" (he wears a "Polk High" T-shirt, the school the Bundys attended, to emphasize his point).
• Mr. Tumnus appears on Family Guy in the dryer while Peter is looking for his lost sock.
• Jay and Silent Bob appear as visitors to the movie studio in Scream 3
• Meatwad from the Aqua Teen Hunger Force speeds by on a bike on The Brak Show.
• A big fight on Sealab 2021 is revealed to be a video game controlled by members of the Aqua Teen Hunger Force (Sealab 2021)
• Huckleberry Hound devolves into a normal dog on The Brak Show.
• Amitabh Bachchan's character in the Bollywood film Maard briefly appears in the comic guise of Father Anthony, a persona that a different character played by Amitabh Bachchan, Anthony Gonsalves, had previously adopted in the film, Amar Akbar Anthony. In both films, the Father Anthony persona has the same costume, mannerisms and accent, even though Amitabh Bachchan is playing a different character in each of the two films.
• Mojo Jojo appears as an unimaginary friend in the pilot episode of Foster's Home for Imaginary Friends
• Dr. Raymond Stantz (played by Dan Aykroyd) from Ghostbusters (1984) makes an appearance running from the haunted house in Casper.
• Ned and Stacey, title characters of a 1990s Fox sitcom, appears in a West Coast gallery at the close of an episode of Partners, the show which aired immediately beforehand; Ned & Stacey star Thomas Haden Church quips that they only have 30 seconds to get back to New York in time for their show.
• Tim Taylor plays with a Buzz Lightyear (the character Tim Allen voices in Toy Story) doll on Home Improvement.
• In Part 3 of Eddie Monster (Foster's Home for Imaginary Friends), towards the end, Ed, Edd n Eddy can be seen learning about the monster that looks like Pikachu from the boy that looks like Dexter.
• In the final two episodes of Mobile Fighter G Gundam, machines from all the previous Gundam series, the then in-production Gundam Wing, and other mecha series by Gundam creator Yoshiyuki Tomino appear among the forces battling the monstrous Devil Gundam.
• In one episode of Gundam X, Roybea uses his vacation time to visit his former girlfriends. One of them looks, sounds, and acts almost exactly like Relena Peacecraft, the protagonist of the previous Gundam series, Gundam Wing.
• One of the most bizarre cameos ever was when Cartoon Network's Johnny Bravo appeared on a poster in Atari's computer game Backyard Baseball 2005.
• Dexter appears on Time Squad, commenting on time travel to Buck and Larry 3000.
• Family Guy and The Simpsons have made numerous crossovers with each other. In one episode of Family Guy ("PTV"), character Stewie Griffin ran over Homer Simpson in his big wheel. In Simpsons' episode "The Italian Bob", Homer sees pictures of Peter Griffin and Stan Smith (of fellow Seth MacFarlane cartoon American Dad!) in a book of criminals (Peter and Stan are labeled as plagiarists). In the Simpsons episode "Treehouse of Horror XIII", Homer accidentally creates millions of clones of himself, one of which happens to be Peter Griffin.
• The Japanese manga Bobobo-bo Bo-bobo occasionally features characters from other manga (i.e. the famous Yugi and Osiris scene).
• The Simpsons was referenced in the episode of South Park titled "Simpsons Already Did It"; South Park episode #86.
• Family Guy is also referenced on South Park; episode #142, "Cartoon Wars Part I" and "Cartoon Wars Part II", #143. A character resembling Bart Simpson is also seen at the FOX network studio on Part II.
• The Smurfs also appear in Eric Cartman's fantasy on the South Park episode "Dances with Smurfs".
• In It's a Mad, Mad, Mad, Mad World a cameo shows a rescue squad—The Three Stooges.
• In the Batman TV series, Alfred the Butler looks at a computer file of "dangerous criminals"—one photograph is of Howie Horowitz and another photograph is of William Dozier-the series executive producers.
• In Batman, Kent McCord has a cameo as a naive Gotham City rookie policeman who wants to give Batman's Batmobile a ticket for illegal parking.
• Robert Patrick, who played the T-1000 in Terminator 2: Judgment Day, appears in the movie Wayne's World as a cop.
• In an episode of The A-Team, H. M. Murdock appears on Wheel of Fortune and not only wins a car but goes on a Hawaiian vacation (instead of Face).
• In The Simpsons episode "Sideshow Bob Roberts", Sideshow Bob pins a 'GOP' (Republican Party) button on Bart and then kicks him out of his limo onto the front lawn. A jalopy with the Archie gang (Archie, Jughead, Reggie, and Big Moose) then kicks Homer out onto the front lawn, warning him to "stay out of Riverdale."
• On a cartoon teaser of an early episode of The Simpsons, "Treehouse of Horror II", the costumed trick-or-treaters passing by the Simpson house are the Peanuts gang.
• In The Simpsons episode "The Springfield Files", a police lineup of "aliens" includes the following: ALF, Chewbacca, Gort, and Marvin the Martian.
• In "The Night of the Living Duck" segment of Daffy Duck's Quackbusters, one of the customers in the Monsters Lounge is none other than Alfred E. Neuman of Mad magazine.
• In The Legend of Zelda: Ocarina of Time, a window is in the castle courtyard. Upon closer inspection, it can be seen that inside the castle are framed pictures of Mario and Yoshi.
• In Being Ian, Kyle and Korey are repeatedly seen watching Yvon of the Yukon.
• A Gani-Gani badnik from the Sonic the Hedgehog series appears in Hi Hi Puffy AmiYumi.
• Homer Simpson appears at the end of an episode of Duckman.
• In an episode of Disney's Boy Meets World, Eric (Will Friedle's character) has to save Jack (Matt Lawrence's character) from a coven of witches, and in the end credits Eric is dating Sabrina of CBS Television Distribution's Sabrina, the Teenage Witch, who appears to have turned Jack into a frog for some reason.
• Jeanni (Barbara Eden) of I Dream of Jeannie makes an appearance at the end of A Very Brady Sequel.
• The comic book Dork Tower once claimed that it would have a crossover with Lethargic Lad on its cover. However, the crossover never happened, because Lethargic Lad is "a comic book character!"
• In The Curse of Monkey Island, if you can get Guybrush to walk in the water on Blood Island, one can see him and his character in the first part underwater. New Guybrush does not seem to recognize the old one, because he already drowned.
• In Mad Magazine's spoof of Star Trek, one panel has Charlie Brown flying his kite in outer space!
• Sir Hiss from Robin Hood appears in the Aladdin video games.
• At the end of the Family Guy episode "Meet the Quagmires" and during the Star Wars episode, Roger the Alien from American Dad! made a couple of cameos.
• Godzilla makes a brief cameo in an episode of Drawn Together, protesting to Ling-Ling that he's turned to American English for taping his eyelids open, so he will look more western.
• In "Stunt Cat", the fifth segment of Garfield: His 9 Lives, Garfield is (briefly) a stunt double for Krazy Kat.
• The English dub of Digimon: The Movie was preceded by an abrupt prologue featuring Angela Anaconda
• The episode of The Lucy Show titled "Lucy gets caught in the draft" has a cameo by Gomer Pyle.
• An episode of Codename: Kids Next Door features a giant blow-up balloon that bears a striking resemblance to Dexter of Dexter's Laboratory.
• A scene in The Santa Clause 2 shows the real Santa fighting with the fake Santa (both played by Tim Allen) in a sleigh, while they each shout out various phrases from other films, etc. that Tim Allen has appeared in, such as "You are a sad, strange, little man..." from Disney's Toy Story.
• Madison Pettis appears as Sophie Martinez (from Cory In the House) on an episode of Hannah Montana called "Take This Job and Love It".
• On one episode of Batman, Bruce Wayne and Dick Grayson are starting to watch their favorite TV show The Green Hornet when duty calls. On an episode of The Green Hornet, a TV screen shows Batman and Robin climbing a wall on Batman.
• Rocky and Mugsy appear as themselves in an episode of Tiny Toon Adventures.
• In an episode of The Fairly OddParents, Timmy's parents are watching a movie called Flyboy, which is a spoof of the horror film The Fly, and Dash Baxter, a character of the sister show Danny Phantom makes a cameo appearance in Flyboy.
• In the Disney Movie The Little Mermaid, Mickey Mouse, Donald Duck, Goofy, and Kermit the Frog make at gag cameo, during the celebration

Crossover concepts or ideas

Appearances and/or references of plots, items, materials, and/or objects that appear in another setting. Often used as a non-sequitur or anachronistic gag.

• Characters from multiple media franchises may put up and play their versions of pre-existing classic fiction works as another means of a fictional crossover, here are the notable examples:
  • The Care Bears put up their own versions of Alice in Wonderland and The Nutcracker respectively. (The Care Bears Adventure in Wonderland and Care Bears Nutcracker Suite)
  • Mickey Mouse, the Looney Tunes gang, Mr. Magoo, The Flintstones, The Jetsons, Sesame, Dennis the Menace and Doctor Who have all but homaged, spoofed and lampooned the famous Charles Dickens Christmas story, A Christmas Carol. (Mister Magoo's Christmas Carol, A Special Sesame Street Christmas, Bugs Bunny's Christmas Carol, Mickey's Christmas Carol, A Jetson Christmas Carol, Blackadder's Christmas Carol, The Muppet Christmas Carol, A Flintstones Christmas Carol, An All Dogs Christmas Carol, Winnie the Pooh: Springtime with Roo, Bah, Humduck! A Looney Tunes Christmas, A Dennis the Menace Christmas and Doctor Who in: A Christmas Carol respectively)
  • Tom and Jerry, Scooby-Doo, The Muppets, Beetlejuice, Earthworm Jim, Mickey Mouse Clubhouse, Super Friends and many others have all played their own versions of L. Frank Baum's The Wonderful Wizard of Oz (Scooby's Trip to Ahz, Wizard of Ooze, The Wizard of Ooze, The Muppets' Wizard of Oz, Planet of Oz, The Wizard of Dizz and Tom and Jerry and the Wizard of Oz respectively)
  • The Famous Adventures of Mr. Magoo is an animated cartoon series that found Mr. Magoo storytelling and playing his own versions of various fairy tales and other famous classic stories from popular culture, such as Snow White, Don Quixote, Rip Van Winkle and Uncle Sam.
• Goofy hat in Aladdin
• Aladdin's magic carpet being shaken out in The Hunchback of Notre Dame
• The TARDIS appearing in the first episode of Roman Britain-set comedy Chelmsford 123
• Tak (Invader Zim) wears Johnny the Homicidal Maniac's boots
• The Angry Beavers finding a mask of Helga Pataki
• Bender finds a Bart Simpson doll (Futurama)
• Milhouse gets Matt Groening to sign a Bender doll. (The Simpsons)
• Tool box bearing the Binford Tools logo (Disney's Home Improvement) in Toy Story (1995)
• Pixar characters often appear in other films of the company. Near the end of Monsters Inc., Boo plays with a Nemo squeaky toy (a character from Finding Nemo which was in production at the time Monsters Inc. was released), as well as a Jessie (Toy Story 2 and Toy Story 3) doll. Similarly, there is a Mr. Incredible comic book and a Buzz Lightyear toy as well as a Pizza Planet truck in Finding Nemo.
• Belle, the heroine of Beauty and the Beast, appears amidst the crowd during the opening festival scene in The Hunchback of Notre Dame.
• E.T.'s race is a member of the Republic's Galactic Senate in Star Wars Episode I: The Phantom Menace.
• Two kids in the "real world" wear Mickey Mouse and Donald Duck pajamas in The Nightmare Before Christmas. During the same scene, they are being chased by Scary Teddy, which resembles Mickey.
• Stitch appears on one of Koda's outtakes on the DVD release of Disney's Brother Bear.
• Stitch appears in outer space in the third Timon and Pumbaa Virtual Safari 5.1 DVD ride on The Lion King II: Simba's Pride Special Edition DVD.
• The original preview for Lilo and Stitch featured an opening scene taken from Beauty and the Beast, where Belle and the Beast are dancing in the ballroom. Stitch falls from the ceiling, bringing the chandelier with him, and almost lands on top of Belle, to which she responds: "Get your own movie!" and then storms away.
• A Stitch doll is visible in Treasure Planet (shown in theaters in the same year, 2002).
• Timon replaces Genie and Stitch appears over the mountains in the Virtual Magic Carpet Ride on the Aladdin Platinum Editions DVDs.
• In The Brady Bunch Movie, The Partridge Family's bus is seen as the Bradys are heading to the talent show.
• Dexter has a Samurai Jack doll on his shelf in the later episodes of Dexter's Lab.
• An unseen Mario is the announcer in Pac-Man Vs.
• Pac-Man's symbol being featured in many Namco and early Midway games.
• The Naboo N-1 starfighter from Star Wars Episode I: The Phantom Menace is featured as a hidden fighter in the Nintendo 64 game Star Wars: Rogue Squadron, which was released nearly a year and a half before (the code to unlock the ship was only revealed after the release of The Phantom Menace).
• The Necronomicon from the Evil Dead films appears in the Voorhees' family home in Jason Goes to Hell: The Final Friday. This is later revisited in the comic book Freddy vs. Jason vs. Ash.
• In The SpongeBob SquarePants Movie, there are pictures of Krazy Kat and Popeye hanging in the background of the ice cream parlor.
• In an episode of "The Adventures of Jimmy Neutron: Boy Genius" titled: "the Evil Beneath", Jimmy, Carl, and Sheen are seen watching an episode of "Mysterious Mysteries", the show that Dib from "Invader Zim" watches regularly.
• A scene in Disney's Tarzan features Mrs. Potts and Chip. They appear as everyday lifeless dinnerware, but upon closer inspection, actually resemble these characters moreover.
• Laugh It Up, Fuzzball: The Family Guy Trilogy; in which Peter Griffin retells the stories of all three films of the original Star Wars trilogy, along with the Griffin family, with the Family Guy cast of characters recast in the Star Wars roles.