Certification
- Argentina:13 (self-applied)
- Australia:M
- Australia:M (DVD rating)
- Australia:PG (volume 1)
- Canada:14A (Manitoba, VHS/DVD rating)
- Canada:14A (Manitoba, video rating)
- Canada:PG (Manitoba, volume 3)
- Canada:G (Quebec, VHS/DVD rating)
- Canada:13+ (Quebec, vol 1)
- Canada:13+ (Quebec, volume 1)
- Czechia:15
- Germany:12
- Germany:12 (DVD rating)
- Germany:16 (volume 6, 7)
- Hungary:16 (DVD)
- Japan:R-15
- Malaysia:U (DVD rating)
- New Zealand:M
- New Zealand:PG (DVD volume 1)
- New Zealand:R16 (volume 2)
- Singapore:NC-16
- South Korea:15
- Spain:13
- United Kingdom:12
- United Kingdom:PG (episodes 10-12)
- United Kingdom:12 (some episodes)
- United Kingdom:PG (some episodes)
- United Kingdom:15 (2015)
- United States:TV-14
- United States:TV-PG (re-rating)