Season 12, Episode 18 Trilogy of Error

First Aired: April 29, 2001

Homer's severed thumb, Lisa's science project and Bart's discovery of fireworks prompt separate but simultaneous adventures that conclude with an encounter with mobster Fat Tony (Joe Mantegna). Frankie Muniz, Yeardley Smith, Dan Castellaneta, Nancy Cartwright.

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  • Premiered: December 17, 1989
  • Rating: TV-PG
  • User Rating:4.57 out of 5 (705 ratings)
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  • 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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