The Simpsons

Fear of Flying - S6-E11

Trivia: Most of the main cast of 'Cheers' has been on the Simpsons, including Kelsey Grammer as Bart's returning nemesis, Sideshow Bob. When Homer is kicked out of Moe's Tavern, he looks for a new bar and ends up in Cheers, where the other Cheers cast members voice their old characters. However, Grammer's character of Frasier does not speak.

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