Mister Rogers' Neighborhood (season 21)

The following is a list of episodes from the twenty-first season of PBS Mister Rogers' Neighborhood which aired in late 1990 and early 1991.

Episode 1 (Mouths and Feelings)

Chef Brockett makes gingerbread faces that have different emotions. King Friday appoints Lady Aberlin as the Director of Research. Her first assignment revolves around people's reaction to a box that plays a recording of someone laughing.

• Aired on November 19, 1990.

Episode 2 (Mouths and Feelings)

Rogers makes a tunnel out of a cardboard tube. In the Neighborhood of Make-Believe, Lady Aberlin continues her research with the laughing voice in a box. Robert Troll believes a little person is in that box.

• Aired on November 20, 1990.

Episode 3 (Mouths and Feelings)

Mr. McFeely shows a videotape on how toothbrushes are made. In the Neighborhood of Make-Believe, Lady Aberlin wishes to show there is no person inside the laughing-voice box. What she uncovers, lets her become a tiger for a limited time.

• Aired on November 21, 1990.

Episode 4 (Mouths and Feelings)

Rogers visits a dentist's office and talks about teeth care. In the Neighborhood of Make-Believe, a disguised Lady Aberlin goes to the school at Someplace Else.

• Aired on November 22, 1990.

Episode 5 (Mouths and Feelings)

Rogers explains how a steam shovel works. Daniel finds out Lady Aberlin has been disguised as a tiger.

• Aired on November 23, 1990.

Episode 6 (Growing)

Mr. McFeely arrives with a new advertising jingle for his Speedy Delivery service. He also shows a video on how model cars are made. Concern grips Westwood and then the Neighborhood of Make-Believe when some big thing is spotted nearby.

• Aired on February 25, 1991.
• This is the first episode to feature Mr. McFeely's second Special Delivery song, which is titled as "Is there anything you want?/Is there anything you need?". This song was frequently used from 1997 until the show's ending in 2001.

Episode 7 (Growing)

Rogers plants a bean seed and joins Mr. McFeely in a visit to a local conservatory. In the Neighborhood of Make-Believe, King Friday tries to allay fears about a "big thing" rolling its way in from Westwood.

• Aired on February 26, 1991.

Episode 8 (Growing)

The Big Thing arrives in the Neighborhood of Make-Believe. At the request of several neighbors, the King agrees to maintain and talk of peaceful things.

• Aired on February 27, 1991.

Episode 9 (Growing)

Rogers gets a haircut so he can prove to viewers there is nothing that harms anybody during a haircut. Robert Troll drops by the Neighborhood of Make-Believe and gives some aid to the Big Thing.

• Aired on February 28, 1991.

Episode 10 (Growing)

Rogers finds François Clemmons, now singing with the Harlem Spiritual Ensemble. Purple Panda returns to the Neighborhood of Make-Believe with a miracle ingredient that makes plants grow quickly.

• Aired on March 1, 1991.

Episode 11 (Dress-Up)

Rogers recalls a raccoon dance first performed two decades before, by using a toy raccoon. He uses a raccoon mask to illustrate he does not change when he puts on the mask. In the Neighborhood of Make-Believe, Harriet and Lady Aberlin are surprised to see King Friday disguised as a bird. He learns that Harriet and Lady Aberlin are planning a play with the schoolchildren.

• Aired on August 26, 1991.

Episode 12 (Dress-Up)

Rogers and Mr. McFeely visit a children's book reading at the library. In the Neighborhood of Make-Believe, all the schoolchildren are getting roles for their upcoming play.

• Aired on August 27, 1991.

Episode 13 (Dress-Up)

Rogers shows a few wigs and glasses, all of which disguise his appearance. In the Neighborhood of Make-Believe, attention seems to shift away from the school play and more toward finding King Friday's spare crown.

• Aired on August 28, 1991.

Episode 14 (Dress-Up)

Nobody can find King Friday's spare crown. Lady Elaine Fairchilde is implored to turn the Neighborhood of Make-Believe upside down to aid in the search, which leads to some unimaginable conclusions. Rogers visits an auditorium to hear the Boys Choir of Harlem.

• Aired on August 29, 1991.

Episode 15 (Dress-Up)

Maggie Stewart, disguised as Mr. McFeely, delivers to Rogers the video on how zipper sweaters are made. The Neighborhood of Make-Believe witnesses the school play.

• Aired on August 30, 1991.