Certification
- Australia:PG
- Canada:PG (Manitoba/Nova Scotia)
- Canada:PG (Ontario, some volumes, DVD rating)
- Canada:14A (Ontario, volumes 1-3 and 6, DVD rating)
- France:Tous publics (DVD rating)
- Japan:G
- New Zealand:PG
- Singapore:PG
- South Korea:15
- Spain:TP
- United Kingdom:PG
- United Kingdom:12 (volume 1 and 5)
- United States:TV-14