Season 21, Episode 17 American History X-cellent
First Aired: April 11, 2010
Mr. Burns goes to jail and Smithers takes over at the power plant, but the employees take advantage of him.
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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)