Certification
- Australia:M (Season 1 - 4, Season 7 & 8)
- Australia:MA15+ (Season 5 & 6)
- Australia:M (some episodes, tv rating)
- Australia:MA15+ (some episodes, tv rating)
- Canada:PG
- Canada:16+ (self-applied)
- Germany:18
- Philippines:R-16
- Singapore:R21 (Netflix)
- South Korea:12
- South Korea:18 (2021)
- Sweden:12 (self-applied)
- Thailand:18+ (self-applied)
- United Kingdom:U
- United Kingdom:PG (recommended rating)
- United Kingdom:16+ (self-applied)
- United States:TV-G
- United States:16+ (Coarse language, new rating)
- United States:16+ (L, suggestion, new rating, Crude Humor)
- United States:TV-14 (some episodes)
- United States:TV-PG (some episodes)
- United States:TV-MA (unrated DVD version)