Certification
- Argentina:13
- Australia:MA15+
- Australia:M (some episodes)
- Brazil:14
- Canada:TV-14
- Canada:G (Quebec)
- Ecuador:16 (self-applied)
- Egypt:Not Rated (self-applied)
- France:10
- Germany:12
- Germany:6
- Hong Kong:IIB
- Hungary:18 (season 6 episodes 23-24)
- Hungary:12 (some episodes)
- Hungary:16 (syndication airings)
- India:15+ (self-applied)
- Indonesia:17+
- Ireland:15 (DVD rating)
- Israel:14
- Italy:BA
- Japan:PG12 (self-applied)
- Malaysia:U
- Mexico:B-15 (self-applied)
- Netherlands:6
- Netherlands:12
- Norway:12 (DVD rating)
- Philippines:PG-13
- Poland:12
- Portugal:12AP
- Russia:16+
- Singapore:M18 (Netflix, season 4, season 5, season 6, season 7, season 8, season 9, season 10)
- Singapore:PG13 (edited TV version)
- Singapore:PG (season 1)
- Singapore:NC-16 (season 2, season 3)
- Slovakia:12
- South Africa:13
- South Korea:15
- South Korea:18 (season 3 and 4)
- South Korea:Youth not allowed (self-applied)
- Spain:13
- Sweden:11 (DVD rating)
- Thailand:15+ (self-applied)
- Turkey:16+ (self-applied)
- United Kingdom:15 (DVD rating)
- United States:TV-14
- United States:TV-PG (some episodes)
- United Arab Emirates:PG-15 (self-applied)