They Saved Lisa's Brain S22E22 - They Saved Lisa's Brain 1999
Mayor Quimby flees Springfield, leaving the town chapter of Mensa in charge. As the group's new power goes to their heads, they take their utopian plans too far and the townspeople revolt.
- Released: 1999-05-09
- Runtime: 50 minutes
- Genre:
- Stars: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer
- Director: Pete Michels