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.

Main Cast

Dan Castellaneta (Homer Simpson / Abe Simpson / Barney Gumble / Krusty (voice))
Julie Kavner (Marge Simpson / Patty Bouvier / Selma Bouvier (voice))
Nancy Cartwright (Bart Simpson / Nelson Muntz / Ralph Wiggum (voice))
Yeardley Smith (Lisa Simpson (voice))
Hank Azaria (Moe Szyslak / Chief Wiggum / Apu / Comic Book Guy / Carl (voice))
Harry Shearer (Ned Flanders / Mr. Burns / Smithers / Skinner / Lenny (voice))

Guest Stars

Stephen Hawking (Stephen Hawking (voice))

The Simpsons

S10E22 — They Saved Lisa's Brain

Overview

Main Cast

Guest Stars

Crew

Navigation