Certification
- Australia:MA15+ (Season 1-3)
- Australia:R18+ (Season 4)
- Brazil:16
- Canada:18A (Nova Scotia)
- Canada:13+ (Quebec)
- France:12 (self-applied)
- Germany:18 (self-applied)
- Mexico:TV-MA
- Netherlands:16
- New Zealand:R18 (DVD rating)
- Philippines:R-13
- Poland:16 (self-applied)
- Singapore:M18 (season 1, season 4)
- Singapore:R21 (season 2, season 3)
- Spain:18
- Sweden:16+ (self-applied)
- United Kingdom:15
- United Kingdom:18 (some episodes)
- United States:TV-MA
- United Arab Emirates:18+ (self-applied)