Satan is throwing the world's biggest Halloween costume party, and no one is getting in without a blue wrist band. Unfortunately, even Satan can't plan for everything as a religious organization and the antics of the most notorious serial killers of all time might ruin his good time.
Elenco: Trey Parker , Matt Stone , Mona Marshall , April Stewart , Isaac Hayes , Eliza Schneider , Mary Kay Bergman , Milan Agnone , Sebastian Yu , Jessie Jo Thomas , Jennifer Howell .