Certification
- Australia:PG
- Australia:M (some episodes)
- Canada:PG (video rating)
- Denmark:15 (DVD)
- Finland:K-18 (DVD)
- France:Tous publics
- Germany:12
- Germany:16 (season 10, DVD rating)
- Italy:T
- Japan:PG-12 (video rating)
- Netherlands:6 (most episodes)
- Netherlands:12 (one episode)
- New Zealand:PG (some episodes)
- New Zealand:M (some episodes)
- Norway:11 (DVD)
- Norway:9 (SkyShowtime)
- Norway:9 (TV rating)
- Philippines:PG-13 (MTRCB, video rating)
- Poland:12 (DVD rating)
- Singapore:PG (video rating)
- South Africa:PG (video rating)
- Spain:16
- Sweden:15 (DVD)
- United Kingdom:12 (DVD)
- United States:TV-PG
- United States:TV-14 (re-rating)