Dexter's Laboratory - Season 2 - Eps 9: Hunger Strikes
Dexter uses radiation therapy so he can like vegetables, it actually causes him to only eat vegetables, also, the therapy has consequences if Dexter goes too long without them. He turns into a Parody of The Incredible Hulk without vegetables.
About Dexter's Laboratory

Title: Dexter's Laboratory
First Air Date: 1996-04-28
Last Air Date: 2003-11-20
Status: Ended
Rating: 7.656/10 (from 817 votes)
Language: EN
Seasons: 5
Total Episodes: 220
Network: Cartoon Network
Genres: Animation, Comedy, Sci-Fi & Fantasy
Production Companies: Hanna-Barbera Productions, Cartoon Network Studios
Synopsis
Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her out, as well as his arch-rival and neighbor, Mandark.
Cast

Candi Milo
Dexter (voice)

Kat Cressida
Dee Dee (voice)

Jeff Bennett
Dad (voice)

Kath Soucie
Mom (voice)

Eddie Deezen
Mandark (voice)