While covering a test of guided torpedoes, two reporters believe they saw what appeared to be a strange-looking swimming creature. They investigate the matter further and discover that there is a race of fish-men living under the sea. The fish-men capture the pair and keep them prisoner in their underwater city.
1 July 1966 (Japan)
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Also Known As:
The Terror Beneath the Sea
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Aspect Ratio: 1.33 : 1
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Did You Know?
The so-called unmanned submarine that was destroyed during the torpedo demonstration was clearly based on the USS Triton, a U.S. nuclear-powered submarine that was famous for making the first submerged around-the-world voyage in 1960. See more
The latex make-up on actors Sonny Chiba and Peggy Neal changes from shot to shot, sometimes disappearing altogether. See more
The American version's opening credits constantly overlap each other and fade in and out. See more
Made in 2 versions with Japanese version having more violence and international version having longer English language performances. See more