The Grim Adventures Of Billy and Mandy Season 3 Episode 12 - Complete and Utter Chaos / Attack of the Clowns >After Billy wakes up from another nightmare involving clowns, he is more terrified than ever towards them, so Mandy and Grim try to cure him of this annoying clown-a-phobia. Mandy asks Grim to bring to life a clown's head made on paper mache to entertain Billy, but the spell does not seem to work. They dress up as clowns in an attempt to look harmless. After consulting with his imaginary "Inner Frat Boy", Billy changes his feeling from being afraid to being angry at clowns, and attacks them with Grim's scythe. Billy is cured of his fear, but the fake clown attacks and eats them and they all hate clowns in the end.