Fair rating?The Simpsons· Season 9 · Episode 17
Lisa the Simpson
Grandpa says "Simpson genes" are behind Lisa's sudden lack of brain power; Jasper tries to live for the future in the Kwik-E-Mart freezer.
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#20In Season 9of 25 rated episodes
#486All-timeof 801 rated episodes
−0.3vs season avgSeason 9 averages 8.2
1998First airedMarch 8, 1998
Guest stars
Crew
Susie DietterDirector
Ned GoldreyerWriter