The Simpsons Season 22 Episode 15

The Scorpion's Tale

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.

Guest Stars

Werner Herzog

Walter Hotenhoffer (voice)

Russi Taylor

Martin Prince (voice)

Pamela Hayden

Milhouse Van Houten (voice)

Kevin Michael Richardson

Retirement Castle Orderly (voice)

Tress MacNeille

Agnes Skinner / Mrs. Fornby / Flight Attendent (voice)