- HD 1080
- Runtime: 87m.
- Status: Released
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- Languages: ja
- Country: Japan
- Director: Noriaki Yuasa
- Stars: Eiko Yanami, Reiko Kasahara, Mikiko Tsubouchi, Kōji Fujiyama, Isamu Saeki
- keywords: spacecraft, japan, monster, giant monster, turtle, sequel, alien, tokyo, japan, kaiju, gamera (giant turtle), underwater fight
- Production_studio: Dainichi-Eihai, Daiei Film
- Slogan: Deep-Sea Monster Zigra!
- providers: Amazon Prime Video, Screambox Amazon Channel, ARROW, Midnight Pulp, Amazon Prime Video with Ads
- The Gamera vs. Zigra is featured in the top rankings of 1971
- #12 in Top Family Movies of 1971
- #18 in Top Adventure Movies of 1971
- #51 in Top Action Movies of 1971
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 all of Japan roots him on.