Certification
- Argentina:Atp
- Australia:PG (recommended rating)
- Australia:G (some episodes)
- Brazil:Livre
- Bulgaria:B
- Canada:G (Manitoba/Ontario/Quebec, DVD rating)
- Canada:PG (season 1, DVD)
- France:Tous publics
- Germany:6 (self-applied)
- Ireland:G (volume 1)
- Italy:T
- Japan:G (self-applied)
- Maldives:12+
- Mexico:A
- Netherlands:6 (season 1)
- Netherlands:AL (season 2)
- New Zealand:PG (season 1)
- New Zealand:G (seasons 2 and 3)
- Norway:7
- Norway:A (recommended rating)
- Russia:6+
- United Kingdom:U
- United Kingdom:PG (season 1, volume 2)
- United States:TV-Y7