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Lisa the Simpson
The Simpsons: Season 9, Episode 17
Lisa fears she is genetically doomed to lose her intelligence when Grandma Simpson tells her Homer and Bart also used to be clever until the Simpson gene was activated.
Show
:
The Simpsons
Air date
:
March 8, 1998
Writer
:
Ned Goldreyer
Couch gag
:
A vine grows in the middle of the living room. The Simpsons appear as fruits and vegetables.
Episode no
:
Season 9; Episode 17