Regular Show Season 4 Episode 4-5 Terror Tales of the Park II Episode Title:Terror Tales of the Park II.Episode Description:The group passes time by as they tell each other scary stories while driving to a Halloween party. • "Payback" – Mordecai is haunted by his deceased uncle 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 must try to escape. • "Wallpaper Man" – Mordecai and Rigby hire a man to re-wallpaper the house, but they quickly find out that he is actually a giant evil spider and they struggle to defeat him.