|Air date||February 23, 1979|
|Season||Season 10 (1978-1979)|
|Sponsors||V, Z, 3|
- Kermit's Lectures: Kermit tries to demonstrate what round is, with the help of a wisecracking ball. He introduces Kermit to his "daddy," a scary-looking basketball. (First: Episode 0107)
- Song: "Imagination and You"
- An Anything Muppet boy plays hide-and-seek with three letter Zs, who blend into his porch. (EKA: Episode 1062)
- Song: "The Traffic Light Song"
- Lefty the Salesman sells Ernie an invisible ice cream cone. Ernie pays for it with an invisible nickel. (EKA: Episode 0867)
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|Episode 1249||Episode 1251|