Captain Nemo and the Underwater City attempts this but only manages to flood the machine’s control room killing Lomax in the process. During this episode, the Bath brothers sneak into the Forbidden Area where they discover a second submarine, the Nautilus II, and see it as a means of escape. Enlisting Fraser to aid them, Fraser learns how to operate the submarine. During training they ram and kill a vast Manta Ray-like creature accidentally created during the building of the city. Fraser tells Nemo he should leave as he is attempting to cut off the supply of weapons to the American Civil War. Nemo refuses but
Captain Nemo and the Underwater City surface, a small schooner is seen picking up two men in mid-ocean, far from either land or any sign of wreckage. Fraser and Swallow Bath, huddled in blankets, are made welcome aboard, and as the schooner prepares to set sail, Fraser finds his companion has concealed a gold ladle under his coat. The two exchange rueful smiles, and Fraser tosses it lightly into the sea. The film was produced on a budget of 1.5 million US dollars. It had stemmed from an idea that led to Roger Corman’s failed "Captain Nemo and the Floating City", itself based on a combination