Certification
- Australia:MA15+
- Australia:MA15+ (some episodes)
- Australia:PG (some episodes)
- Australia:M (some episodes)
- Canada:14A (Manitoba)
- Canada:PG (Nova Scotia)
- Canada:13+ (Quebec, VHS/DVD rating)
- Germany:16
- Germany:12 (volume 4 and 5)
- New Zealand:R13
- New Zealand:PG
- New Zealand:M (DVD volume 4)
- Singapore:NC16
- South Korea:15
- United Kingdom:15
- United States:TV-MA