The Simpsons - Season 34 Episode 8 : Step Brother from the Same Planet
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Homer is stunned by his feelings of rage and resentment when Grampa becomes a doting stepfather to his girlfriend's quirky young son. Lisa and Bart throw the ultimate slumber party.
Released: 1989-12-17
Runtime: 00:26:14 minutes
Genre: Animation, Comedy
Network: FOX
Stars: Dan Castellaneta, Julie Kavner, Nancy Cartwright, Yeardley Smith, Hank Azaria, Harry Shearer