Kabaneri of the Iron Fortress is an anime series by Wit Studio. The series was directed by Tetsurō Araki and written by Ichirō Ōkouchi, with music by Hiroyuki Sawano and original character designs by Haruhiko Mikimoto. The series premiered on Fuji TV‘s Noitamina block on April 8, 2016, and ended on June 30, 2016, with a total of 12 episodes. A prologue for the anime premiered for a week in theaters across Japan starting March 18, 2016.Amazon streamed the series on their Amazon Prime Instant Video service. Two compilation films premiered in Japanese theaters on December 31, 2016, and January 7, 2017.Crunchyroll and Funimation co-released the anime on Blu-ray and DVD in the United States; Crunchyroll also acquired the merchandise rights.