"Terror Tales of the Park III" is a Halloween special of the animated TV series Regular Show. It first aired in the United States on October 21, 2013.
The gang makes a bet which states that whoever tells the lamest Halloween story has to wear their costume until Thanksgiving. They all think Benson is going to tell the worst story, but to their surprise, he ends up telling the scariest one, which ends up being a true story.
Killer Bed - When Rigby purchases a bed, it turns out to be a transformed local murderer being.
Jacked-Up Jack-o-Lantern - After smashing up the wrong pumpkins, Mordecai, Rigby, Muscle Man, and Hi-Five ended up in trouble.
The Previous Owner - Mordecai, Rigby, Muscle Man, Hi-Five and a Pops make a bet over who can stay the night in the house the longest after being told by Benson that the ghost of the previous owner is going to come back.