He's Too Sexy for His Fat
Family Guy Season 2 Episode 17 (06/27/00)
Due to Brian's flea problem, the Griffins move into a hotel while their house is fumigated. Lois and Peter discover Chris is skipping gym class due to being self conscious, and Peter signs him up for liposuction. When Chris does not want the service, Peter takes it himself and ends up getting more plastic surgery. He becomes one of the beautiful people, but eventually ends up getting into a nasty car crash and somehow ends up looking like his old self.