Certification
- Argentina:Atp
- Australia:M (some episodes)
- Australia:PG (some episodes)
- Brazil:12
- Brazil:Livre (cut)
- Canada:PG (Manitoba, some episodes)
- Canada:14A (Manitoba, some episodes)
- Canada:G (Quebec, VHS/DVD rating)
- Canada:13+ (video rating)
- Chile:I12 (TV rating)
- Chile:TE (original rating)
- Denmark:15
- France:Tous publics
- Germany:12
- Hungary:18 (pre-2002)
- Hungary:12 (2012)
- Hungary:16 (2002)
- Italy:T
- Japan:All Ages
- Japan:G
- Mexico:A
- Mexico:B
- Mongolia:PG (episodes 122-199)
- Netherlands:6
- Norway:15
- Norway:9
- Philippines:PG-13
- Portugal:M/12
- Singapore:PG
- South Korea:All
- South Korea:12
- Spain:13 (Catalonia)
- Taiwan:0+
- United Kingdom:PG
- United Kingdom:12
- United Kingdom:PG (DVD rating)
- United States:TV-PG
- United States:TV-14 (TV rating)
- United States:TV-Y7 (edited version)
- United States:TV-PG (uncut version)
- West Germany:12