A moon base is destroyed by a spaceship from Zigra which is looking to take over the planet earth to use its oceans for its ocean-dwelling denizens. Gamera must once again come to the aid of the human race while … Eiko Yanami, Reiko Kasahara, Mikiko Tsubouchi, Kōji Fujiyama, Isamu Saeki, Shin Minatsu, Arlene Zoellner Added on Amazon Prime 2021-11-15. Youtube Trailer