- Trey Parker (Eric Cartman / Stan Marsh (voice))
- Matt Stone (Kyle Broflovski / Kenny McCormick (voice))
- Mona Marshall (Sheila Broflovski (voice))
- Jennifer Howell (Bebe Stevens (voice))
South Park — S10E11
Episode: Hell on Earth 2006
Air Date: 2006-10-25
Runtime: 23 min
Overview
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.