Certification
- Argentina:Atp (TV rating)
- Australia:PG (DVD rating)
- Australia:G (TV rating)
- Australia:PG (some episodes, TV rating)
- Brazil:Livre (TV rating)
- Canada:G (Quebec, DVD rating)
- Canada:G (TV rating)
- Germany:12 (DVD rating)
- Ireland:PG (DVD rating, The Complete Series 1 and 2)
- Ireland:12 (DVD rating, The Complete Series 3 and 4)
- Italy:T
- Japan:G
- Netherlands:6
- New Zealand:PG (DVD rating)
- Norway:9 (recommended rating)
- Peru:Apt (TV rating)
- Portugal:M/6
- United Kingdom:PG (DVD rating, The Complete Series 1 and 2)
- United Kingdom:12 (DVD rating, The Complete Series 3 and 4)
- United States:TV-14 (Apple TV)
- United States:TV-PG (TV Rating)
- United States:TV-Y7 (TV rating)
- United States:TV-G (VHS and DVD rating)
- United States:Not Rated (VHS/DVD rating)
- United States:TV-PG (new rating)