S1 · E1
Watch Gate Keepers 21 together — synced playback, live chat and reactions. Up to 12 people.
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.
