Haruo Nakajima

After a dinosaur-like beast - awoken from undersea hibernation by atom bomb testing - ravages Tokyo, a scientist must decide if his similarly dangerous weapon should be used to destroy it.

Astronauts encounter the Xiliens, who ask Earth's people to help save them from "Monster Zero", but when one of the astronaut romances a mysterious woman, he uncovers the Xilien's true intentions.

A toxic, ever-evolving alien life-form from the Dark Gaseous Nebula arrives to consume rampant pollution, and neither humanity nor Godzilla may be able to stop it.

A latchkey child living in the industrial city of Kawasaki confronts his loneliness through his escapist dreams of Monster Island and friendship with Minilla.

Shipwrecked survivors slowly transform into mushrooms.

A journalist is saved by a giant submarine captained by a 200-year-old man who takes him to an underwater paradise city where no one ages. That's when monsters and mutants sent by the captain's rival, a 200-year-old scientist, att...

The shorted re-edited American version of Submersion of Japan, in which Japan slowly sinks into the sea as the US and Japan work together to stop it.