
This action-packed underwater adventure series stars Lloyd Bridges as diving expert and former U.S. Navy frogman, Mike Nelson. Traveling on his boat, the Argonaut, Nelson outmaneuvers villains, undertakes daring rescues, and defends national security – all in a day’s work! Originally airing from 1958 to 1961, this television classic features innovative underwater cinematography and fast-paced plots, full of action, mystery and adventure.

























