Terror Beneath the Sea

海底大戦争

Also known as Battle Beneath the Sea, La malédiction des grands fonds, I mostri della città sommersa, Water Cyborgs, UX-Bluthund - Tauchfahrt des Schreckens

While covering a test of guided torpedoes, two reporters believe they see what appears 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.