The Seaview is returning to the location of a sunken ship to recover its secret cargo. There are a number of other sunken ships in the area, and the thing responsible for all of them soon threatens the Seaview.
Did You Know?
As the Seaview is damaged and unable to take on the monster jellyfish that has trapped Ames, the scientist, the flying sub is launched to distract the monster.The launching shows two shots of the flying sub leaving the Seaview,not at a submerged depth,but on the ocean's surface.There was no time for the Seaview to make such maneuvers to the surface. See more