Certification
- Australia:MA15+
- Brazil:18
- Canada:13+ (Quebec)
- France:Tous publics
- Germany:16
- India:18 (self-applied)
- Italy:T (DVD rating)
- Japan:R15+
- Mexico:C
- Poland:18
- Singapore:R21
- South Korea:18 (season 1, season 3)
- South Korea:15 (season 2)
- Spain:18
- United Kingdom:18
- United Kingdom:15 (Most episodes)
- United Kingdom:18 (some episodes)
- United States:TV-MA
- United States:TV-14 (Sundance Channel)