Simon Cowell plays an admissions interviewer at a prestigious pre-nursery school where Maggie's IQ is found to surpass Lisa's, causing an identity crisis for the older sister.
Simon Cowell plays an admissions interviewer at a prestigious pre-nursery school where Maggie's IQ is found to surpass Lisa's, causing an identity crisis for the older sister.
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 Barney Gumble
Nancy Cartwright
voices Nelson Muntz
Nancy Cartwright
voices Ralph Wiggum
Hank Azaria
voices Chief Clancy Wiggum
Hank Azaria
voices Comic Book GuyEpisode Discussion
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