Season 3, Episode 5: Whatever Happened to Billy Whatsisname? / Just the Two of Pus (EP31)
Résumé de l'épisode 31
"Whatever Happened to Billy Whathisname?" Billy displeases Mandy so she replaces him with Bobby, a kid with his own issues. "Just the Two of Pus" Sperg's face breaks out and the only cure is the touch of Grim's arm and getting to Grim means being nice to Billy.