Homer takes the family on a trip and does not stop on the way home so Grandpa Simpson can go to the bathroom. This results in Grandpa needing a kidney transplant and Homer has compatible kidney's with his dad.
Guest Cast
Cast Appearances
Dan Castellaneta
voices Homer Simpson
Julie Kavner
voices Marge Simpson
Nancy Cartwright
voices Bart Simpson
Yeardley Smith
voices Lisa Simpson
Dan Castellaneta
voices Abraham Simpson
Dan Castellaneta
voices Krusty the Klown
Dan Castellaneta
voices Hans Moleman
Hank Azaria
voices Moe Szyslak
Hank Azaria
voices Carl CarlsonEpisode Discussion
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