Produced by TMS Entertainment and directed by Osamu Nabeshima,[1] the series follows the adventures of Allen Walker, an exorcist that wields the power of "Innocence" in order to fight against the Millennium Earl, an ancient sorcerer seeking to destroy the world with monsters called akuma.
[2] The first season of the anime, known as the "1st stage", aired for 51 episodes, finishing its run on September 25, 2007.
[3] The second season, known as the "2nd stage", began airing on October 2, 2007, and finished its run on September 30, 2008, lasting 52 episodes.
[10][11] Twenty-six DVD compilations have been released by Aniplex between the first on February 7, 2007, and the latest on March 4, 2009.
On March 31, 2009, Funimation released the first thirteen episodes of the anime as a DVD compilation.