Certification
- Australia:M (DVD rating)
- Canada:PG (Manitoba, volume 1)
- Canada:14A (Manitoba/Nova Scotia, complete collection)
- Canada:13+ (Quebec)
- France:Tous publics (DVD rating)
- Germany:12
- Japan:G
- New Zealand:M
- Spain:12
- United Kingdom:PG
- United Kingdom:12 (some episodes)
- United States:TV-14