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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.
Sci-Fi
1968
1 hr 21 min
Unrated
Starring
Kojiro Hongo, Toru Takatsuka, Peter Williams
