The Simpsons Se10 Ep22 They Saved Lisa’s Brain

“They Saved Lisa’s Brain” is the twenty-second episode of Season 10 that aired on May 9, 1999. The episode was written by Matt Selman and directed by Pete Michels.

Lisa is invited to join the local MENSA society after penning an inspiring letter over Springfield’s complete humiliation at the hands of her father. Guest starring Stephen Hawking.