An atomic submarine encounters an unknown object while on a shakedown cruise...a giant octopus, mutated by an H-bomb! U.S. forces track the beast down and finally locate it just as it enters San Francisco Harbor and starts its savage destruction.
An atomic submarine encounters an unknown object while on a shakedown cruise...a giant octopus, mutated by an H-bomb! U.S. forces track the beast down and finally locate it just as it enters San Francisco Harbor and starts its savage destruction.
