This episode guide has been compiled from materials at the CTW Archives. ⓘ
Lefty the Salesman wants to sell Ernie an empty box, explaining that he can fill the box with things. Ernie wants an empty box, but doesn't have any money. However, when Bert brings a box of cookies, Ernie throws the cookies out, in the process gaining an empty box.
Bob and Gordon assemble a large H out of two separate pieces.
Kermit's Lectures: Kermit teaches “full” with a full glass of milk until Cookie Monster drinks it all (with a straw). Disgusted, Kermit complains that he didn’t want to teach “empty”, but finds that he can still talk about “full”; the monster is now ‘’full’’ of milk.
Ernie sings "If I Knew You Were Coming I'd've Baked a Cake" when a hungry Cookie Monster demands a cookie. (First: Episode 0031)
Ernie and Bert are watching TV, but Bert gets bored and decides to play a record. Ernie tells him to turn down the volume, but Bert won't, so Ernie drowns out Bert's music by playing the radio. Bert then retaliates by turning on the blender. With all four things running at once, they blow a fuse. Bert goes outside to fix the fuse box, while Ernie turns off all the things that were running. When the lights are back on, they decide to play cards instead of fight. (First: Episode 0003)
Film: "ROUND" -- A live-action film shows circles in everyday life, from Coca-Cola bottle caps, to moving wheels, to yo-yos, bubbles, and balloons, set to a lively soundtrack. (First: Episode 0002)
Cartoon: A Casey Kasem-voiced man explains the letter T with a TV that plays a concert. When the man begins to sing with it, the conductor on the TV set "turns him off" by tweaking his nose. (First: Episode 0024)