Sat, Jan 11, 1958
Mike travels 1500 miles inland to a flooded mine where two men are trapped in a foul air pocket. He reaches them, but his dilemma is that there is only enough air in his tank to rescue the miners one-at-a-time and not enough air in the pocket for the remaining man to survive until he returns with more air. Who will go? Who will stay? How will he decide?
Sat, Apr 5, 1958
Nelson is hired to study shark behavior at various depths and the effects of a new shark repellent.In Caribbean waters and with two other divers assisting him,he is lowered in a shark "cage" to accomplish the assignment.Before it is all over Mike is reminded that human beings also pose a danger to his life.
Top-rated
Sat, Apr 12, 1958
Nelson,brought to the Latin American port of Santa Pueblo,investigates a recently found German WWII submarine.The sub,which had been on a secret mission,may contain secret documents or weapons,the remains of top Nazi Party members-or gold! "Hard hat" divers backed by the country's dictator interfere in the exploration.
Sat, Apr 19, 1958
An overly energetic man appears on Nelson's boat and claims to have built a machine which can find shipwrecks by calculating where the shifting of the earth's plates have moved them. After a successful test run, the objective is to find lost barges carrying gold! Oddly, Nelson is more interested in the machine itself.
Sat, Jun 28, 1958
Two prospectors (one of whom is at times violently paranoid about being cheated) ask Nelson to join them in a search for uranium deposits in a river bottom. When after two futile weeks Nelson finally has a positive reading on his Geiger counter, the paranoid partner snaps and lets his suspicions get the better of him.
Sat, Jul 5, 1958
To fund research for an "ocean plants into food products" project, Nelson agrees to travel to Puerto Blanco/South America. There he teaches skin diving to a thrill seeking millionaire hunter and his wife. The boorish hunter wants to kill a large shark and a giant squid for his trophy case. An accident quickly matures the man.
Sat, Jul 19, 1958
Offshore near Santa Barbara,Nelson is testing a sea "scooter". Meanwhile,a know-it-all ex-athlete and his wife are spending the day at the beach with their two kids. The kids are carelessly allowed to explore the area and end up trapped in a cave which high-tide will engulf. Nelson and his scooter attempt to be of help.