Regular Show Season 5 Episode 8-9 Terror Tales of the Park III Episode Title:Terror Tales of the Park III.Episode Description:The group makes a bet over who can tell the scariest story at their Halloween party. • "Killer Bed" – Rigby purchases a bed that turns out to actually be a transformed local murderer. • "Jacked-Up Jack-o-Lantern" – Mordecai, Rigby, Muscle Man, and Hi-Five Ghost end up in trouble after smashing the wrong pumpkins. • "The Previous Owner" – Mordecai, Rigby, Muscle Man, Hi-Five Ghost, and a reluctant Pops make a bet over who can stay the night in the house the longest after being told by Benson that the previous owner's ghost is going to return.