Season 21, Episode 10 Once Upon a Time in Springfield

First Aired: January 10, 2010

In the 450th episode, Krusty the Clown teams up with a female costar, Princess Penelope (voice of Anne Hathaway), and before long he proposes marriage to her. Meanwhile, Mr. Burns and the workers clash at the nuclear power plant. Guest voices include Eartha Kitt and Jackie Mason.

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Thursday
Jan 19
11:30pm
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  • Premiered: December 17, 1989
  • Rating: TV-PG
  • Premise: Matt Groening's subversive, animated satire about Springfield's hapless first family became a cult favorite when it premiered on Fox in 1989 after first being seen in 1987 as a short on 'The Tracey Ullman Show.' That was then; now it's TV longest running c… (more)

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