After a riot breaks out at a local gross-out contest, Lisa writes an open letter to the town about the people's lack of intellectualism, which captures the attention of the local MENSA chapter, who end up running the town after Mayor Quimby disappears. Meanwhile, Homer "wins"[[note]]he stole the runner-up prize during the gross-out contest riot[[/note]] a chance to pose for erotic pictures as a gift to Marge.
* HandicappedBadass: Stephen Hawking.
-->"If you're looking for trouble, you've found it."
* NerdsAreVirgins: During Springfield Mensa's proposals.
-->'''Comic Book Guy:''' Inspired by the most logical race in the galaxy, [[Franchise/StarTrek the Vulcans]], breeding will be permitted once every seven years. For many of you, this will mean much less breeding. For me, much, much, more!
-->'''Groundskeeper Willie:''' Ye cannae do that, sir! Ye don't have the power!
* NoodleIncident: Homer's line about playing a "non-traditional" Santa, which got him in trouble with the neighborhood block association for public indecency.
* RecognitionFailure: Homer initially mistakes Hawking for ''Hustler'' founder Larry Flynt, who, like Hawking, is also wheelchair-bound (only Larry Flynt was paralyzed from an assassination attempt).
* ShoutOut: During the proposals, Comic Book Guy wears a ''Series/StarTrekTheNextGeneration''-era Starfleet uniform.
* SpecialGuest: StephenHawking, whose appearance on this show (and later ''Futurama'') has made him more famous than his studies. How ironic, considering the episode makes fun of intellectualism vs. anti-intellectualism and how people seem to love lowbrow entertainment more than highbrow entertainment.
* TakeThat: Professor Frink's refers to the phenomenon of an intellectual joke being funny to one person out of a million as "The DennisMiller Ratio."