Certification

  • Australia:MA15+ (Season 1 - 4)
  • Australia:M (some episodes)
  • Brazil:14
  • Finland:K-13 (2008, Season 1 DVD rating)
  • France:Tous publics (DVD ratings)
  • Hungary:16 (some episodes)
  • Italy:T
  • Malaysia:U (season 1, season 2)
  • Malaysia:P13 (season 3, season 4)
  • Netherlands:12 (seasons 1 and 2)
  • Netherlands:16 (seasons 3-4)
  • New Zealand:R13 (Season 1 DVD rating)
  • Norway:15 (TV rating)
  • Singapore:NC-16 (season 1 - 4)
  • South Korea:15
  • United Kingdom:15
  • United Kingdom:12 (some episodes)
  • United States:TV-14