Moe flies to Los Angeles where he joins the cast of American Idol judges on The Simpsons season finale.
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The Simpsons Season 21 Episode 23 Quotes

I don't need your fair-weather friendship... is what I'll be saying tomorrow morning.

Moe

Homer: You never fail to nauseate me boy.
Bart: Just call me Barf Simpson.
Homer: I wanted to, but your mother said kids might tease you.