Certification
- Australia:13+
- Brazil:14 (recommended rating)
- Brazil:16 (some episodes)
- Canada:16+
- Denmark:15 (special edition)
- United Kingdom:15
- United States:Unrated
- United States:16+ (original rating)
- United States:13+ (self applied)
- United States:TV-14 (some episodes)
- United States:TV-MA (uncut)