Season 11, Episode 4 Treehouse of Horror X
First Aired: October 31, 1999
A Halloween trilogy: Homer causes a Y2K catastrophe; superheroes Lisa and Bart save actress Lucy Lawless; Marge runs Flanders over, and Homer tries to cover it up. Dick Clark and Tom Arnold also appear as themselves. Dan Castellaneta, Julie Kavner, Yeardley Smith, Nancy Cartwright, Harry Shearer, Hank Azaria.
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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)