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39 Episodes 1960 - 1960
Episode 1
Sat, Jan 9, 196030 mins
Mike takes on the dangerous task of rescuing a political refugee, who is in an embassy and hiding from a Latin American dictator.
Episode 2
Sat, Jan 16, 196030 mins
Mike battles a murderous style pirate, while working in the Bahamas as an underwater photographer for a famous bathing suit designer.
Episode 3
Sat, Jan 23, 196030 mins
With the use of an underwater camera fitted with a periscope lens, Mike helps agents round up members of an organized crime syndicate.
Episode 4
Sat, Jan 30, 196030 mins
Mike takes command of the first underwater flotilla of the United States Coast Guard Auxillary in search of sunken radioactive cargo.
Episode 5
Sat, Feb 6, 196030 mins
Mike helps the US Coast Guard in trapping enemy agents that are dropping microfilm canisters in an underwater cave.

Episode 6
Sat, Feb 13, 196030 mins
Mike's assignment: Retrieve a deadly radioactive capsule and restore it to a lead container without exposing himself to gamma radiation that could take his life.
Episode 7
Sat, Feb 20, 196030 mins
Mike's vacation in The Bahamas is interrupted by the US Secret Service. They need him to search for two-million counterfeit dollars stashed at the bottom of the ocean.
Episode 8
Sat, Feb 27, 196030 mins
Mike tangles with enemy frogmen, while participating in a US Navy inspection of an underwater camera cable.
Episode 9
Sat, Mar 5, 196030 mins
Mike rescues a girl diver who is trying to trace the origin of a jade statue she owns. He joins the search and is rewarded with an attack on his life.

Episode 10
Sat, Mar 12, 196030 mins
While on patrol with the U.S. Coast Guard Auxiliary, Mike becomes entangled with an exiled crime boss, who is trying to slip back into the country.
Episode 11
Sat, Mar 19, 196030 mins
A thief endangers lives to secure a fortune in gems buried in the safe of a sunken ship.
Episode 12
Sat, Mar 26, 196030 mins
When a dictator visiting the United States decides to land at a small harbor with almost no advance notice, Mike is called in by the Coast Guard for an underwater security check.
Episode 13
Sat, Apr 2, 196030 mins
Mike gets involved with helping foreign revolutionaries overthrow their dictator.
Episode 14
Sat, Apr 9, 196030 mins
Mike races against time to rescue a 12-year-old boy trapped in an underwater grotto, rigged with explosives.
Episode 15
Sat, Apr 16, 196030 mins
Mike joins a diving expedition in search of a prehistoric fish thought to be extinct for millions of years.
Episode 16
Sat, Apr 23, 196030 mins
Things go terribly wrong for Mike, while he is involved in planting underwater explosives in the ocean's floor.
Episode 17
Sat, Apr 30, 196030 mins
Mike travels deep into the jungle areas of a small Latin-American country in search of a sacred pool of water and its secrets held within.
Episode 18
Sat, May 7, 196030 mins
Mike attempts a risky rescue of a young girl trapped inside an underwater mine.
Episode 19
Sat, May 14, 196030 mins
Mike searches underwater for a missing female scientist friend.
Episode 20
Sat, May 21, 196030 mins
Mike investigates the wreck of a sunken Navy ship.
Episode 21
Sat, May 28, 196030 mins
Mike becomes suspicious of his employer, whom has hired him to search a three-century-old sunken Spanish galleon.
Episode 22
Sat, Jun 4, 196030 mins
After a mysterious radioactive object crashes into the ocean floor, Mike must dive to discover just what it is.
Episode 23
Sat, Jun 11, 196030 mins
While performing experimental underwater research utilizing infra-red light, a diver goes missing.
Episode 24
Sat, Jun 18, 196030 mins
Mike takes on a dangerous spy mission while vacationing in the Caribbean.
Episode 25
Sat, Jun 25, 196030 mins
The US Coast Guard enlists Mike's help in determining the cause of sabotage to the radar of the coastal warning system.
Episode 26
Sat, Jul 2, 196030 mins
Mike Nelson decides to teach two shark-killing juvenile delinquents a lesson - in catching a live shark.
Episode 27
Sat, Jul 9, 196030 mins
Mike investigates a mysterious signal emanating from the ocean's floor.
Episode 28
Sat, Jul 16, 196030 mins
Sabbateurs have rigged a sunken ship with 50 tons of dynamite, and it's Mike's job to diffuse the monstrous time-bomb before it blows up an entire foreign nation's capital.
Episode 29
Sat, Jul 23, 196030 mins
Mike attempts a risky rescue of a young criminal trapped in a storm drain.
Episode 30
Sat, Jul 30, 196030 mins
Mike is retained by a small Latin American country to train a cadre of underwater demolition experts. Mike and his team spring into action when the country's president is kidnapped.
Episode 31
Sat, Aug 6, 196030 mins
Mike comes to the aid of his old diving instructor, whom is now getting too old to make dangerous dives.
Episode 32
Sat, Aug 13, 196030 mins
Mike investigates the mysterious drowning death of the inventor of an advanced rebreather device.
Episode 33
Sat, Aug 20, 196030 mins
Mike gets mixed up with two scientists trying to examine fossils from the sea.
Episode 34
Sat, Aug 27, 196030 mins
Mike tangles with divers growing a hybrid form of marijuana under water.
Episode 35
Sat, Sep 3, 196030 mins
Mike searches underwater for enemy scanning devices being utilized to jam American satellite signals.
Episode 36
Sat, Sep 10, 196030 mins
Mike attempts to rescue a movie starlet trapped underwater aboard a ship, which is flooded after a special effects dynamite blast.
Episode 37
Sat, Sep 17, 196030 mins
The US Coast Guard recruits Mike to search for a missing missile on the ocean floor.
Episode 38
Sat, Sep 24, 196030 mins
Mike attempts to recover a Top Secret diplomatic pouch lost in hostile foreign waters.
Episode 39
Sat, Oct 1, 196030 mins
Mike investigates the mysterious disappearance of a man gone overboard only a half-mile from shore.