Certification
- Australia:G (some episodes)
- Australia:PG (some episodes, Season 1-3 DVD)
- Brazil:Livre
- Canada:G (Manitoba/Ontario/Quebec, DVD rating)
- Canada:PG (Nova Scotia, DVD rating)
- Germany:6
- Ireland:PG (some episodes)
- Ireland:G (some episodes)
- Japan:G (self-applied)
- Mexico:TODO (self-applied)
- Netherlands:AL
- New Zealand:G (some episodes)
- New Zealand:PG (some episodes, Season 1-2 DVD)
- Philippines:PG
- South Africa:PG (DVD rating)
- Turkey:G
- United Kingdom:PG (some episodes)
- United Kingdom:U (some episodes)
- United States:TV-Y7
- United States:TV-G