S1 • E37 Dec 9, 1967 25m
Mazo has a plan to strike the Sea Goblin nuclear submarine, which is sailing off the coast of Madagascar. The plan involves installing a transmitter and attacking the two-headed monster Geguera. Dr. Yamatone and his team are aboard the submarine during its test voyage. Takeru and Marie, impressed by the beauty of the sea, beg the captain to take them for a walk on the ocean floor and begin diving. However, a terrifying monster awaited them.・・・・・・
