Rock on the SimpsonsRingo Starr, U2, Aerosmith, Britney Spears and more get animated
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Katy Perry appears in the episode "The Fight Before Christmas," which first aired on December 5th, 2010.
Joey Ramone's First 45 and Robert Wyatt's Lost Hendrix Session December 6, 4:10 PM ET
Another Batch of Wall Street Villains Freed on Technicality December 4, 5:10 PM ET