Gamera vs. Viras (1968) is a Adventure, Action, Science Fiction, Family film that follows as alien invaders plot to conquer the Earth, two Boy Scouts steal a mini-submarine and discover Gamera in their midst. Transported to the alien's spaceship, the Scouts are menaced by the evil inhabitants, including Viras, a squid-like monster that grows to colossal size to battle Gamera. Currently, you can watch Gamera vs. Viras on Amazon Prime Video, fuboTV, Screambox Amazon Channel, FlixFling. Streaming availability may vary by country and platform over time. It has a user rating of 5.6 out of 10 from 89 votes. Fans of adventure movies may also want to explore similar titles below.