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.

• DirectorNoriaki Yuasa
• Release20 March 1968
• Genre
  Adventure / Action
• Duration1h 21m
• Budget$56,000
• Revenue?
• Rate
  

  5.753
  83 reviews
• Productions

  Daiei Film