"Imagine Breaker" (幻想殺し (イマジンブレイカー) Imajin Bureikā?, lit. "Illusion Killer") is the sixth episode of the first season of the Toaru Majutsu no Index anime series and the last episode dedicated to the Index Arc. It was first broadcast on November 11, 2008, it was directed by Umahiki Kei and written by Akahoshi Masanao. Nishikiori Hiroshi returns to do the storyboard.