The Mysterious Island - DVD [1929]

Count Dakkar, a scientist and leader of a scientific colony on a remote volcanic island, has built two fantastic submarines. But he and his stalwart assistant and beautiful daughter are betrayed by the power-mad Baron Falon. When Love's men overrun the island, the principal players soon find themselves sinking into unheard-of depths. On the ocean bottom, a desperate battle ensues between the submarines and a fantastic race of underwater humanoid creatures.