The Worm only appeared in the episode "Ren's Retirement" in which Ren is aging rapidly and gets himself a coffin for when he dies. He and Stimpy are later buried alive. While they are in the coffin, they get a knock on their door, and in comes a large worm wearing a top hat and dickey. He then gives himself dinner by eating all of the meat that Ren and Stimpy had while they're still alive, with skin and bones remaining. The Worm then leaves full laughing while he leaves.