Certification
- Argentina:Atp (cut)
- Australia:G (ABC3)
- Australia:PG (CN rating, cut)
- Australia:G (collection 2 DVD)
- Australia:PG (seasons 1-10, uncut)
- Australia:G (some episodes)
- Brazil:12 (CN, uncut version)
- Brazil:Livre (Netflix self-rating, cut TV version)
- Brazil:10 (some volumes)
- Bulgaria:B
- Canada:C8
- Canada:8+ (Quebec, TV rating)
- Canada:G (some volumes)
- Canada:PG (some volumes)
- Chile:TE (VOD rating)
- Chile:I (syndication airings, cut)
- Colombia:7 (Netflix, Latin America, cut)
- Czechia:U (cut)
- Czechia:8+ (TV rating, cut)
- Denmark:A (DVD releases)
- Egypt:Not Rated (DVD rating)
- Finland:K-7
- France:Tous publics
- Germany:6
- Germany:0 (few episodes)
- Germany:12 (one episode, VOD)
- Hong Kong:IIA
- Hungary:KN
- Hungary:12 (few episodes)
- India:UA
- India:PG (edited version)
- Indonesia:SU
- Ireland:PG (season 1-5 DVD, uncut)
- Ireland:PG (some episodes, cut version)
- Ireland:G (some episodes, cut version)
- Italy:T
- Japan:G (self-applied)
- Lithuania:N-7 (cut version)
- Malaysia:U (VOD rating)
- Malaysia:P13 (cut version)
- Malaysia:18 (uncut version)
- Maldives:15+
- Maldives:12+ (with warning)
- Mexico:A (DVD volume 1)
- Mexico:B (DVD volume 2)
- Mexico:B (new rating, heavily cut)
- Mexico:AA (original rating, heavily cut)
- Mexico:B (syndication airings, some episodes)
- Mexico:A (syndication airings, uncut)
- Netherlands:6 (most seasons)
- Netherlands:9 (seasons 1, 2, 7, 9)
- New Zealand:PG (CN rating, cut)
- New Zealand:G (few episodes)
- New Zealand:PG (self-rating, seasons 1-10, uncut)
- Norway:A (DVD releases)
- Norway:7 (European HBO/VOD rating, cut)
- Philippines:PG-13 (cut)
- Philippines:7+ (self-applied)
- Poland:12 (VOD rating, cut version)
- Russia:12+ (CN, cut)
- Russia:12+ (original rating, CN)
- Singapore:PG (DVD releases/edited TV version)
- South Africa:7-9 (V, VOD rating)
- South Korea:7
- South Korea:All (few episodes, theatrical release)
- South Korea:12 (some airings)
- Spain:7 (Netflix, Rakuten TV, HBO, cut)
- Spain:13 (Prime Video, season 1, slightly cut)
- Spain:TP (original, cut)
- Sweden:7 (DVD releases)
- Sweden:7+ (HBO Max)
- Sweden:10+ (some episodes)
- Thailand:G (DVD releases)
- Turkey:7+ (new rating, cut)
- Turkey:G (original rating, cut)
- United Kingdom:PG (seasons 1-3, cut version)
- United Kingdom:U (few episodes, cut version)
- United Kingdom:12 (one episode, season 1, uncut)
- United Kingdom:PG (seasons 4-5, uncut)
- United States:TV-PG
- United States:TV-PG (Adult Swim TV rating)
- United States:TV-Y7 (some episdoes)
- United Arab Emirates:7+ (self-applied)