Certification
- Australia:R18+ (DVD rating)
- Canada:14A (Manitoba)
- Canada:R (Ontario)
- Canada:16+ (Quebec)
- Germany:16
- Malaysia:P13 (DVD rating)
- South Korea:19
- United Kingdom:(Banned)
- United Kingdom:15 (some episodes)
- United Kingdom:12 (some episodes)
- United Kingdom:18 (some episodes, internet self-rating)
- United States:TV-MA (internet self-rating)