Hired to test a new electronic fish-finder, Mike encounters a village where every fish in the vicinity has disappeared. Air Date : 1st-Mar-1958

Mike tries to free the pilot of a downed jet from his watertight cockpit before his air runs out, without causing the man's death from the water pressure. Air Date : 4th-Jan-1958  Read More

While investigating the cause of a mine flood that killed thirty men, Mike stumbles upon an air pocket with two survivors. Air Date : 11th-Jan-1958  Read More

A grudge between two divers whom Mike is testing for underwater mining skills becomes a secondary issue when one of them contracts nitrogen narcosis. Air Date : 25th-Jan-1958  Read More

Before Mike can investigate the disappearance of a pair of skin-diving geologists, one turns up dead on the beach bearing marks resembling the suction valves of a giant octopus. Air Date : 1st-Feb-1958  Read More

Mike helps the Immigration Department Border Patrol break up an underwater border-running operation. Air Date : 8th-Feb-1958  Read More

A beautiful woman hires Mike to give her diving lessons for mysterious reasons. Air Date : 15th-Feb-1958  Read More

An attractive magazine photographer hires Mike to assist her in getting pictures of a sunken barge off the coast of Mexico. Air Date : 22nd-Feb-1958  Read More

Hired to test a new electronic fish-finder, Mike encounters a village where every fish in the vicinity has disappeared. Air Date : 1st-Mar-1958  Read More

A pair of ruthless treasure hunters dupes a young skin diver into helping them loot a sunken ship. Air Date : 8th-Mar-1958  Read More

Mike dives into the Caribbean to recover the lost nose cone from an ICBM rocket before enemy agents can get it. Air Date : 15th-Mar-1958  Read More

A killer whale is capsizing boats and endangering scuba divers and swimmers along a stretch of coastline. Air Date : 22nd-Mar-1958  Read More

Mike plays commando in rescuing a scientist who had defected from Soviet kidnappers who are returning him to Moscow aboard a Pacific liner. Air Date : 29th-Mar-1958  Read More

Mike and two cameramen are imperiled when an irrationally jealous man drops their camera cage into shark-infested waters. Air Date : 5th-Apr-1958  Read More

Mike competes with a pair of helmet divers to salvage a German submarine sunk off the coast of South America. Air Date : 12th-Apr-1958  Read More

A man claims to have invented a machine that can locate ships carrying gold. Air Date : 19th-Apr-1958  Read More

Mike is nearly killed by a massive electrical jolt used by a poacher to kill fish in the Florida Everglades. Air Date : 26th-Apr-1958  Read More

Mike comes to the aid of a female escape artist when her underwater stunt goes awry. Air Date : 3rd-May-1958  Read More

Mike interrupts an underwater survey in the Gulf of Mexico in order to save a diver whose air line has become snarled. Air Date : 10th-May-1958  Read More

Mike supervises a diamond diving expedition in South America, but discovers that his employers are poaching on someone else's property. Air Date : 17th-May-1958  Read More

A vicious alligator escapes from a wild animal show and takes refuge in the lake of a public park. Air Date : 24th-May-1958  Read More

An entire Mexican town is menaced by the presence of a derelict floating mine in its harbor that could ignite fumes from the local nitrate factory if it is detonated. Air Date : 31st-May-1958  Read More

The State of Florida hires Mike to organize and train an underwater police force to deal with a series of underwater crimes. Air Date : 7th-Jun-1958  Read More

Mike investigates an underwater grotto said to feature a mermaid that lures men to their deaths. Air Date : 14th-Jun-1958  Read More

A professor and his daughter hire Mike to help them search for a rare underwater plant in Costa Rica. Air Date : 21st-Jun-1958  Read More

A pair of prospectors hire Mike to trace the source of radioactive fish with a Geiger counter in hopes of finding a uranium deposit. Air Date : 28th-Jun-1958  Read More

Mike is hired by a playboy sportsman to supervise their underwater shark ""safari"" in the waters off Peru. Air Date : 5th-Jul-1958  Read More

Mike finds a famous rocket scientist being held in an underwater prison by enemy agents. Air Date : 12th-Jul-1958  Read More

A frustrated former athlete pushes his children to be Olympic swimmers, resulting in their becoming trapped in a cave by a rising tide. Air Date : 19th-Jul-1958  Read More

Mike leads a diving team in rescuing a Latin American diplomat and his family from kidnappers. Air Date : 26th-Jul-1958  Read More

Mike and three other survivors share a life raft after a storm capsizes their boats. Air Date : 2nd-Aug-1958  Read More

Mike's work on a movie prompts a fellow stunt diver to attempt a dangerous record-setting dive. Air Date : 9th-Aug-1958  Read More