Watch Voyage to the Bottom of the Sea Season 3 Episode 19 full movie online free in HD with English subtitles – no download needed.
Voyage to the Bottom of the Sea: As the Seaview conducts a marine census, Captain Crane spots a mermaid. He brings her aboard and falls under her spell. A sea creature follows the mermaid and proceeds to cause big trouble on the sub. The problems are compounded when the Seaview is ordered to disarm a nuclear device that has been planted off the coast of California.