Trivia / Charmed S6E13 Used Karma

• Completely Different Title:
  • French: "Mata Hari" (Mata Hari)
  • WB promoted the episode under an alternative title "Mata Hari".
• Reality Subtext: Alyssa Milano and Eric Dane had dated in the past, so the former admitted she was channelling some very real emotions in the break-up scene that ends the episode.