Certification
- Australia:PG (some episodes)
- Australia:G (some episodes)
- Finland:K-3 (2010)
- Netherlands:AL (self-applied)
- New Zealand:PG (some episodes)
- Poland:7 (DVD rating)
- Singapore:PG
- Sweden:7+ (self-applied)
- United Kingdom:PG
- United States:TV-PG
- United States:TV-14 (re-rating)