Certification
- Australia:M (Season 1 & 2)
- Australia:MA15+ (Season 3)
- Canada:PG (Manitoba)
- Canada:PG-13 (Ontario)
- Canada:13+ (Ontario)
- Canada:G (Quebec, season 1)
- Canada:13+ (Quebec, season 2)
- Germany:12
- Japan:G
- Malaysia:U (DVD rating)
- Philippines:PG-13 (self-applied)
- South Korea:15
- Thailand:13
- United Kingdom:U (one episode)
- United Kingdom:PG (some episodes)
- United Kingdom:12 (some episodes)
- United Kingdom:15 (some episodes)
- United States:TV-14