The Simpsons: Season 2, Episode 15
Oh Brother, Where Art Thou? (21 Feb. 1991)
After Grampa is hospitalized, he reveals that Homer has a half-brother, and the family soon discovers the brother, named Herb, owns a car company. However Herb's hiring of Homer to design a new car may be his undoing.
Director:Wesley Archer (as W.M. 'Bud' Archer)
From $1.99 on Amazon Instant Video