Oh Brother, Where Art Thou? is the fifteenth episode of Season 2. It was originally broadcast on February 16, 1991. The episode was written by Jeff Martin and directed by Wes Archer. American actor Danny DeVito provided the voice of Herb. The producers decided to write a sequel, “Brother, Can You Spare Two Dimes?”, in which Herb regains his fortune and forgives Homer.
Fearing death, Grandpa Simpson tells Homer that he has a half-brother. This half-brother, Herbert Powell, is a carmaker in Detroit, and wants Homer to design a car for the average man to save his car company. The Herb-and-Homer storyline is continued in the episodes sequel, Brother, Can You Spare Two Dimes?.