Futurama

Season 3, Episode 7

Episode Title: The Day the Earth Stood Stupid

Air Date: 2001-02-18

Overview:

Earth is invaded by super-intelligent flying brains, who sap the Earth's populace of their intelligence. Leela is taken to Nibbler's home planet Eternia, where the Nibblonians explain that only one human is immune to the brains' powers - Fry.