Certification
- Australia:MA15+
- Brazil:18 (self-applied)
- Canada:14A (Manitoba/Ontario, season 1, DVD rating)
- Canada:18A (original rating, Ontario)
- Canada:13+ (Quebec)
- France:18
- Germany:12
- Germany:16 (season 2)
- Hong Kong:18+ (self-applied)
- India:18 (self-applied)
- Indonesia:18+ (self-applied)
- Israel:18 (self-applied)
- Italy:18 (self-applied)
- Japan:R15+ (self-applied)
- Mexico:18+ (self-applied)
- Netherlands:18 (self-applied)
- Philippines:18+ (self-applied)
- Poland:18 (self-applied)
- Singapore:M18
- South Africa:16 (self-applied)
- South Korea:18
- Spain:18
- Sweden:18+ (self-applied)
- Taiwan:18+ (self-applied)
- Thailand:18+ (self-applied)
- Turkey:18+ (self-applied)
- United Kingdom:15
- United States:TV-MA
- United States:TV-14 (TV rating)
- United Arab Emirates:18+ (self-applied)