A 24-episode anime adaptation of A Certain Magical Index was produced by J.C.Staff and directed by Hiroshi Nishikiori,[12] and aired in Japan from October 4, 2008 to March 19, 2009. The anime was collected into eight DVD and Blu-ray Disc sets which were released from January 23 to August 21, 2009. In addition, four mini bonus episodes depicting Index super deformed, titled A Certain Magical Index-tan, were bundled with limited edition copies of the first and fifth DVDs of the first season, and the first BD/DVD release of the second season.