Poster of Cast and Crew in The Simpsons - Season 22 - Episode 15 - The Scorpion's Tale

The Simpsons - Season 22 - The Scorpion's Tale (Episode 15)

Plot: During a field trip, Lisa discovers desert water that makes usually combative creatures get along; after getting kicked out of the retirement home, Grampa comes to live with the family.
Episode Aired On:
Sunday, March 6 2011
14 years ago