List of Gate Keepers episodes

Gate Keepers (ゲートキーパーズ) is primarily a role-playing video game for the PlayStation. The game was then adapted into a manga series written by Hiroshi Yamaguchi (山口 宏) and drawn by Keiji Gotoh. The anime series was produced by GONZO and was directed by Koichi Chigira. The network WOWOW aired the 24 episode series from April 3 to September 8, 2000. In 2001, Geneon Entertainment USA (then known as Pioneer) acquired the series and released them in eight volumes on DVD and VHS. In 2004, Geneon re-released the series under the Signature Series label. In 2007, Geneon USA went out of business and left the series (including the GK21 OVA's) out-of print.