Voyage to the Bottom of the Sea (1964)

S01E10 Submarine Sunk Here

After an explosion from a long-abandoned mine field, the Seaview plunges to the ocean depths. With the submarine tilting precariously and oxygen supplies dwindling, the crew faces a dire situation as they combat both fire and flooding. All they can do is hold on and hope for rescue. But will assistance come before it's too late?