The group passes time by telling each other scary stories while driving to a Halloween party. • "Payback" – Mordecai's deceased uncle haunts him after accidentally knocking him into the ball return at a bowling alley. • "Party Bus" – Mordecai, Rigby, Margaret, and Eileen board a haunted bus where they find the passengers aging as the bus moves forward and have to try to escape. • "Wallpaper Man" – Mordecai and Rigby hire a man to re-wallpaper the house, but they quickly find out that he is a giant evil spider, and they struggle to defeat him. (thetvdb.com)