Big Bird and Mr. Snuffleupagus present "The Letter B Show", an episode devoted to the amazing letter B. Baby Bear and Bob sing a song about the letter B, and Barkley does a trick. At the end of the episode, the letter B itself arrives by balloon.

Segments

• Little Richard sings a rock 'n roll version of "Rubber Duckie". (EKA: Episode 3309)
• Ernie and Bert: Bert and Ernie are on a fishing trip. Ernie uses his fish call -- "Here, fishy, fishy, fishy!" -- and fish come flying into the boat. Bert tries the fish call, and catches a shark. (EKA: Episode 1707)
• Bip Bippadotta sings "Air". (EKA: Episode 2534)
• Grover recites a poem about bubbles. (EKA: Episode 3155)
• Song: "B is for Bubble" (re-filmed) (EKA: Episode 3764)
• Cartoon: Do you know what it's like to be scared? (EKA: Episode 2358)
• Film: Wegman dogs show 3 by posing in different ways. (EKA: Episode 3540)
• Prairie Dawn hosts "Amazing Animal Tricks" with her guest, Old McDonald and his less-than-amazing cow.
• Film: Alphaboy: B (EKA: Episode 3823)
• Elmo's World: Bugs (EKA: Episode 3917)