The Simpsons - 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.

Source: http://iplayvideos.net/the-simpsons/season/22/episode/15

Casey James Mears Juan Pablo Montoya Joseph Francis Nemechek III Ryan Joseph Newman Kyle Eugene Petty