Gate Keepers 21 has 1 season.

Gate Keepers 21 has 6 episodes.

The key characters in Gate Keepers 21 are Ayane Isuzu (voice) (Ikue Otani), Miu Manazuru (voice) (Yukiko Hanioka), Nazo / Reiji Kageyama (voice) (Tomokazu Seki).

Gate Keepers 21 was directed by Hiroshi Yamaguchi, Junichi Sato, Kenichi Takeshita, Yoshiji Kigami, Fumitoshi Oizaki.

Gate Keepers 21 was produced by Daisuke Niki, Takashi Watanabe, Masafumi Fukui, Shouji Murahama.

It has been thirty two years since the Invaders have been defeated, and A.E.G.I.S is dismantled, with only a few Gate Keepers left. One of them, Ayane Isuzu learns that Machine General and Devil Count are back and they must save the Earth once more.

Gate Keepers 21 is rated TV-PG.

Gate Keepers 21 is a Drama, Animation, Action show.

Gate Keepers 21 has an audience rating of 6.2 out of 10.

Gate Keepers 21 episodes are 26m long.

No, this show was canceled after 1 season.