Certification
- Australia:M
- Canada:13+ (film #238429, Quebec, DVD rating)
- Canada:18+ (2007, DVD rating)
- Italy:T (2006, DVD rating)
- Malaysia:U
- Spain:13
- United Kingdom:12 (VHS rating)
- United States:Not Rated (2021, Suggested 18+, AnimEigo Blu-Ray rating)
- United States:TV-14 (2009, ADV Films DVD rating, re-release)
- United States:TV-MA (2007, ADV Films DVD rating, re-release)
- United States:Not Rated (2004, Suggested 15+, ADV Films DVD rating)