Gamera vs. Gyaos (1967) is a Action, Adventure, Horror, Science Fiction film that follows unusual volcanic activity in Japan awakens Gyaos, a bloodthirsty flying monster with the power to slice things in half with an ultrasonic ray. While scientists and the military scramble to devise a way to stop this new threat, a young boy forms an alliance with Gamera; a monster no one else seems to trust. Currently, you can watch Gamera vs. Gyaos on Amazon Prime Video, Screambox Amazon Channel, Midnight Pulp, Amazon Prime Video with Ads. Streaming availability may vary by country and platform over time. It has a user rating of 6.1 out of 10 from 91 votes. Fans of action movies may also want to explore similar titles below.