The Simpsons (1989) Season 9 Episode 17 - Lisa the Simpson

Airdate: 1998-Mar-08

Episode summary:

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.

About The Simpsons (1989) series:

The Simpsons is an animated series that centers with a satirical parody of a working class American lifestyle epitomized by its family of the same ...Show more >