一个神秘的夜晚，海底巨浪把奇异的生物麦克·哈克斯（帕特里克·杜菲 饰）送到岸上。当医学界视之为死亡而无能为力时，海洋学家伊莉沙白·玛丽博士（贝琳达·蒙哥玛丽 饰）把他放回海洋，才使他得以复活。 至于他从哪里来，要到哪里去，他自己不知道，电脑也只能猜测。麦克接受了一连串的试验，以测验他的速度、灵敏度和力量。虽然麦克获准返回海洋的世界，但他决定留下来帮助玛丽博士等人探索海洋，同时也学习有关人类的世界… 本片于1980年引进中国，为中国首部引进的大型科幻片，收视效果惊人。
播出日期: 1977-03-04
运行时间: 90 min
概述: After a violent storm at sea, the inert body of a man is found on the beach near the Naval Undersea Center. Equipped with webbed hands and gills instead of lungs, he can breathe underwater, swim faster than a dolphin and dive to depths of at least seven miles. He is nursed back to health by Doctor Elizabeth Merrill and given the name of Mark Harris. In return, Mark agrees to help the United States Navy recover a lost missing submarine carrying top military officials.
播出日期: 1977-05-07
运行时间: 90 min
概述: Mark investigates the disappearance of three scuba divers, two of whom are 'replaced' by waterbourne aliens (Tiffany Bolling as Lioa / Dilly and Burr DeBenning as Xos / Chazz). The aliens assignment is to scout Earth and check its defense capabilities. They also give the impression that Mark may also be one of them, specially bred for Earth infiltration, but this is not specifically confirmed.
播出日期: 1977-05-17
运行时间: 90 min
概述: When a space capsule crashes in the ocean near the Cetacean, Mark and Elizabeth agree to investigate. When they arrive, Mark is rendered unconscious by a screeching sound. They discover hundreds of strange, blue, intelligent spores that have taken over Mark's body, attempting to find a way back into space. However, they do not know that Mark will die if he does not return to water within a few hours.
播出日期: 1977-06-20
运行时间: 90 min
概述: Elizabeth is kidnapped, one of dozens of scientists held prisoner on the island of Felicitos, controlled by special mineral springs that render their victims completely happy and compliant. Dr. Smith is using them to build a rocket to take her away from our troubled planet in search of some better world, and Mark must find a way to counter the brain-washing and free the captives.
