Episode 3157

Sesame Street
The Amazing Mumford switches personas with a dog
Air date	December 21, 1993
Season	Season 25 (1993-1994)
Sponsors E Syndication 123 Sesame Street

• Ernie and Bert go off to sleep but Ernie starts to sing himself a lullaby. Bert then asks Ernie if he would mind singing quieter. So he does and then finds that he can even sing it the quietest. Bert then wonders what's going on and can't seem to go to sleep. Ernie then asks Bert if he's singing it to the extent that he can't hear him then why is he not asleep yet?

• "We Are All Monsters" (Elmo dialogue dubbed) (First: Episode 1405)

• Template:Mkmg Grover and Erik surprise each other. (EKA: Episode 3113)

• Gordon hosts "What Happens Next," in which the viewer has to guess what kind of humiliation Charlie Chaplin is going to face before Gordon rings the Dinger's ding-dong bell. First the tramp slips on a banana peel, then collapses when sitting on a three-legged bench. Finally, when a rain cloud is about to rain on him, he shifts the cloud over to the left of the screen so it rains on Gordon instead. (EKA: Episode 2407)

• Guy Smiley hosts "The Letter of the Day Pageant." (EKA: Episode 2228)

• Caveman Days: Window (EKA: Episode 2607)

• "Love the Ocean" (EKA: Episode 2755)

• Monsterpiece Theater: "Inside/Outside Story" (EKA: Episode 3111)

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