Certification
- Argentina:Atp
- Australia:G
- Canada:G (Manitoba/Quebec, DVD rating)
- France:Tous publics
- Netherlands:6
- New Zealand:G
- United Kingdom:0+ (Paramount+ Rating)
- United Kingdom:U (most volumes)
- United Kingdom:PG (one volume)
- United States:Not Rated (DVD rating)
- United States:TV-Y7 (later seasons)
- United States:TV-Y (original rating)
- United States:TV-PG (some episodes)