Gate Keepers 21
Series Overview
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.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
Broadcast Syndication
1 Season • 6 Episodes
26 min per episode
2002 – 2003
Premiered: Wed, Apr 24, 2002
Latest Aired Episode
Season 1, Episode 6: “The Sound of Wings”
The Gatekeepers face their final confrontation against the Invaders.
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
gatekeepers 21 opening HD
Type: Opening Credits • Published 2009-12-25
Cast & Creators
Explore Star Directory →
Creative Leadership & Key Crew
Hiroshi Yamaguchi
Hiroshi Yamaguchi
Kohei Tanaka
Takashi Horiuchi
Masafumi Fukui, Shouji Murahama, Takashi Watanabe, Daisuke Niki
Department Leadership Roster
Masafumi Fukui
Producer
Takashi Horiuchi
Director of Photography
Shouji Murahama
Producer
Takashi Watanabe
Producer
Daisuke Niki
Producer
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-PG: Parental Guidance Suggested — Contains material parents may find unsuitable for younger children.
International Certification Matrix
Parental Guidance Suggested — Contains material parents may find unsuitable for younger children.
Production Stills & Gallery
Official cinematic photography and background stills for Gate Keepers 21.
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Frequently Asked Questions About Gate Keepers 21
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Gate Keepers 21 about?
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.
How many seasons does Gate Keepers 21 have?
Gate Keepers 21 comprises 1 season available to explore.
Who stars in Gate Keepers 21?
Key cast members in Gate Keepers 21 include Ikue Otani, Yukiko Hanioka, Tomokazu Seki, Mamiko Noto.
Who created or directed Gate Keepers 21?
Gate Keepers 21 was developed and directed by Hiroshi Yamaguchi.