| Sesame Street | |
| Plot | Susan and Oscar explain the difference between "b" and "d". |
| Air date | April 12, 1977 |
| Season | Season 8 (1976-1977) |
| Sponsors | B, D, 6 |
- Susan and Oscar the Grouch tell some children that the letters "b" and "d" are very much alike.
- Ernie imagines what it would be like if everyone looked the same. Four pink balls with eyes bounce by and illustrate his point: none of them know who's who. With some hats and wigs, Ernie helps identify each ball as a father, a mother, a boy, and a postman. (EKA: Episode 0269)
- Kermit's Lectures: Kermit the Frog counts four eggs. A chick hatches out of one egg, so he counts the three eggs -- then two, then one. Then he counts the four chickens. (EKA: Episode 0300)
- Maria helps Herry Monster count barbells.
- Muppet & Kid Moment: Grover and Loren demonstrate loud and soft.
- Caveman Days: Some Muppet prehistoric cavemen search for the door that leads out of their cave. The Royal Smart Person invents the word "EXIT" and puts it over the door. (EKA: Episode 0300)
- Stuie Monster and the Aristocrats sing "Fur". (First: Episode 0812)
- Film: There Once Was a Hand — Skip Hinnant narrates the story of an unhappy hand that wishes he could make a noise. (First: Episode 0007)
- Cartoon: At night, a man's toothy smile is shown as he hears the sounds of tools being used ... to demolish his house. (EKA: Episode 0796)
- Film: What do birds eat? (EKA: Episode 0514)
- Maria and the Kids put together a letter B that's broken in several parts. (EKA: Episode 0930)
- Film: A girl practices figure skating. (EKA: Episode 0962)
- Film: Footage of flamingos, ducks, and swans swimming. (EKA: Episode 0981)
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