Adventure, Action, Science Fiction | 20 March 1968

Kōjirō Hongō, Tôru Takatsuka, Carl Craig

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.