Certification
- Argentina:13
- Australia:M
- Australia:MA (one episode)
- Australia:PG (some episodes)
- China:(Banned) (2014, internet)
- Germany:16
- Japan:G (self-applied)
- Netherlands:12 (seasons 4-8)
- Philippines:13+ (self-applied)
- Singapore:M18
- Singapore:PG (season 1)
- Spain:16
- United Kingdom:15 (self-applied)
- United States:TV-14
- United States:TV-PG (some episodes)
- United Arab Emirates:15+