This little-known and poorly documented Leiji Matsumoto TV movie, tells the story of the revolution of the people of the ocean which are being invaded by the humans from the surface.

The Yamato and her crew face the onslaught of the Comet Empire, a civilization from the Andromeda Galaxy who seek to conquer Earth, led by Prince Zordar. They have harnessed a comet and is using ...

The Black Nebula Empire attacks Earth and threatens to blow up the planet with a bomb they placed on Earth if counter attacked. Earths hopes rest on the Yamato crew as they go to the Black Nebula ...