Episode Title:Whatever Happened To Billy Whatishisname? / Just The Two Of Pus.Episode Description:Whatever Happened To Billy Whatishisname?: When Billy and Mandy have a brief fight, Billy says he never wants to speak to Mandy again. The next day, Billy is over his grudge, but Mandy has already decided to find a replacement for him. Mandy introduces Bobby, the new "Billy" replacement, who turns out to be a better friend than Billy, even gaining the affection of his parents, but who also wants to take over Billy's life. A jealous Billy uses Grim's scythe to open a portal and send Bobby to another dimension.
Just The Two Of Pus: When a doctor is unable to cure Sperg of his severe case of acne, Sperg goes to see a fortune teller that deals with skin problems. Following a Burmese recipe in her own book, the psychic tells Sperg to get the Grim Reaper's bones and rub them upon his face. Sperg has to tolerate being friends with Billy and Grim to get access to the latter's bones. One of Grim's arms gets into a stew and when Sperg is immersed in it, the mix cures completely his acne, but it also erases his nose and mouth.