Certification
- Australia:G (TV rating)
- Brazil:10
- Canada:G (TV rating)
- France:Tous publics
- Germany:0 (self-applied)
- Indonesia:G (self-applied)
- Japan:G
- Mexico:TV-Y7
- Netherlands:9
- Netherlands:12 (season 4 DVD)
- Portugal:T
- South Africa:12+ (self-applied)
- Spain:6+
- Sweden:12 (self-applied)
- Turkey:G
- United Kingdom:U
- United States:TV-G
- United States:TV-PG (one episode)