Certification
- Australia:MA15+ (seasons 1-2, 4-10)
- Australia:R18+ (seasons 3 & 11)
- Brazil:18
- Canada:18A
- Canada:14A (Nova Scotia, DVD rating)
- Canada:13+ (Québec)
- Denmark:15 (DVD rating)
- Egypt:Not Rated (DVD rating)
- Finland:K-16 (DVD rating)
- France:Tous publics
- Germany:16
- Hungary:18
- India:18+ (self-applied)
- Indonesia:16+ (self-applied)
- Ireland:15 (TV rating)
- Ireland:18 (some episodes, DVD rating)
- Israel:18 (self-applied)
- Italy:VM14
- Japan:R18+ (self-applied)
- Mexico:C
- Netherlands:12 (seasons 1-2, 9)
- Netherlands:16 (seasons 3, 6-8 and 10)
- New Zealand:R16 (most episodes, Season 2-4, 6-7 DVD)
- New Zealand:R18 (some episodes, Season 1, 5 DVD)
- Norway:15 (DVD rating)
- Philippines:R-16 (MTRCB, self-applied)
- Poland:18 (DVD rating)
- Russia:18+
- Singapore:R21 (season 1)
- South Africa:18
- South Africa:16 (seasons 1 and 2, DVD rating)
- South Korea:15
- Spain:18
- Sweden:15 (DVD rating)
- United Kingdom:18 (Netflix self-rating)
- United Kingdom:15 (Season 1 DVD)
- United States:TV-MA
- United Arab Emirates:18+ (self-applied)