Certification
- Argentina:18
- Australia:MA15+ (seasons 1-3, 7)
- Australia:R18+ (seasons 4-6, 8)
- Brazil:18
- Brazil:16 (some episodes)
- Canada:18A (DVD rating, season 4)
- Canada:14A (DVD rating, seasons 1-3)
- Canada:PG (Ontario, season 2, DVD rating)
- Canada:13+ (Québec)
- Colombia:18
- Denmark:15 (DVD and Blu-ray rating)
- Finland:K-16 (seasons 1-3)
- Finland:K-18 (seasons 5-8)
- France:12
- France:16 (season 5, season 6, season 9)
- Germany:18
- Hong Kong:IIB
- India:A
- Indonesia:20+ (self-applied)
- Ireland:18 (most episodes, Season 1-8 DVD)
- Ireland:15 (some episodes)
- Israel:18
- Italy:VM14
- Japan:R18+ (self-applied)
- Mexico:C
- Mexico:B15 (season 6)
- Netherlands:16
- New Zealand:R16 (some episodes, Season 1 DVD)
- New Zealand:R18 (some episodes, Season 2-7 DVD)
- Norway:18 (Amazon Prime self-rating)
- Norway:15 (DVD and Blu-ray rating)
- Philippines:R-13 (Season 1)
- Philippines:R-16 (Season 2-present)
- Poland:16
- Russia:18+
- Singapore:R21 (Netflix: series level)
- Singapore:PG13 (edited version)
- Singapore:M18 (season 1, edited version)
- South Africa:16 (H, S, V, season 2, DVD rating)
- South Africa:18 (seasons 1, 3-7, DVD rating)
- South Korea:18
- Spain:18
- Spain:18 (Netflix)
- Sweden:15 (DVD and Blu-ray rating)
- Thailand:20 (self-applied)
- United Kingdom:18 (most episodes, Season 1-8 DVD)
- United Kingdom:12 (one episode)
- United Kingdom:15 (some episodes)
- United States:TV-MA
- United Arab Emirates:PG-15 (self-applied)