Season 4
(1961)
Cast
as Mike Nelson
Episodes
Point of No Return 0.0
January 7, 1961
Mike is trapped in a ""scubasphere"" when the cable attached to it snaps.
River Treasure 0.0
January 14, 1961
While surveying a remote river in the South American jungle, Mike is threatened by the jealousy of a man prospecting fo…
The Destroyers 0.0
January 21, 1961
Mike investigates the source of a radar jamming signal that caused two ships to collide.
Vital Error 0.0
January 28, 1961
A famous newsman, convinced that he has a fatal illness, tries to end his life in such a way that his wife can collect …
The Dancer 0.0
February 4, 1961
A scuba diving ballerina faces the possibility of underwater amputation when she catches her foot between the buckled p…
Sperling of Lamatsue 0.0
February 11, 1961
After being accidentally caught in a fishing net, Mike challenges an Asiatic warlord by trying to retrieve a cache of m…
Rescue 0.0
February 18, 1961
Unaware that two of his treasure-hunting friends are trapped inside, Mike sets charges to blow up a sunken ship that is…
Mercy Trip 0.0
February 25, 1961
Mike scouts a path through mine-infested waters so that medical supplies can reach a China Sea port hit by a cholera ep…
Hot Tracer 0.0
March 4, 1961
Mike's efforts to retrieve a pair of radioactive cylinders are complicated by the presence of a headstrong youth to who…
Sonar Story 0.0
March 11, 1961
Mike uses sonar to foil a gang of underwater heroin smugglers.
Amigo 0.0
March 18, 1961
A young Mexican boy helps Mike locate a safe entrance to an underwater fossil cave.
The Aquanettes 0.0
March 25, 1961
Mike faces sharks and other unexpected difficulties while working with three pretty women undergoing astronaut training.
Survival Kit 0.0
April 1, 1961
Mike is hired by a local German consul to salvage a survival kit from the wreckage of a Nazi warplane in the Caribbean.
Expedition 0.0
April 8, 1961
While helping his former history professor search for pirate treasure off the North Carolina coast, Mike finds evidence…
Bionics 0.0
April 15, 1961
Mike convinces a reluctant daughter to continue her father's work after he is killed testing an underwater electrical d…
The Defector 0.0
April 22, 1961
A man bribes Mike to continue giving lessons to an inept diving student whom he's stopped teaching.
Niko 0.0
April 29, 1961
Mike heads a three-man team in an effort to disarm a pair of unexploded torpedoes at the bototm of a West Coast harbor.
Cougar 0.0
May 6, 1961
A restless youth and a college girl complicate Mike's attempts at capturing a poisonous lionfish.
Sub Hatch 0.0
May 13, 1961
A heroic test pilot from the Korean War has his mettle tested when he must spend 24 hours with Mike in a makeshift deco…
The Octopus Story 0.0
May 20, 1961
Markings on the body of a dead diver convince a marine biologist that a tropical lagoon is inhabited by a killer octopu…
Quicksand 0.0
May 27, 1961
One salvage diver disappears while diving on a sunken yacht off the coast of Yucatan, and Mike tries to see that two ot…
Lost Island 0.0
June 3, 1961
Mike teams up with a Mexican prison escapee to uncover nefarious activity on an uncharted Pacific atoll off the coast o…
Baby 0.0
June 10, 1961
Mike must get past Jivaro Indians who are blocking his passage downriver as he attempts to get a young missionary's bab…
Confidential Mission 0.0
June 17, 1961
Mike poses as a tourist on vacation as he tries to locate a hidden underwater missile launcher in the Caribbean.
Underwater Pirates 0.0
June 24, 1961
Pirates try to snatch a sunken freighter away from Mike before he can salvage it for an old Navy buddy.
The Meet 0.0
July 1, 1961
While working for the U.S. Treasury to break a counterfeiting ring, Mike intercedes in a kidnapping.
Dark Evil 0.0
July 8, 1961
A pretty woman and her father, vacationing in the Bahamas, become killers after inadvertently eating a variety of fish …
Sunken Car 0.0
July 15, 1961
A sunken truck points Mike to the murder of a political boss, and the killer is the father of a good friend of Mike's.
Hit and Run 0.0
July 22, 1961
Mike goes after an egocentric movie star who injured a friend of Mike's in a hit-and-fun speedboat accident.
The Saint Story 0.0
July 29, 1961
While searching a Latin American harbor for a sunken statue, Mike discovers a UHF homing beacon being used to guide sub…
Impostor 0.0
August 5, 1961
A dead ringer for Mike is stealing diamonds from a sunken sports cruiser, but when Mike is accused of the crime, he is …
Superman 0.0
August 12, 1961
While on a diving expedition in Guatemala, a woman seeking to slow down her husband's frantic lifestyle deliberately si…
Roustabout 0.0
August 19, 1961
Mike's assistant is trapped underwater by an overturned truck containing drums of poison that could endanger a South Am…
P.T. Boat 0.0
August 26, 1961
Mike helps test a remote control guidance device invented by a rich eccentric.
Starting Signal 0.0
September 2, 1961
A naval officer of a Caribbean nation is sabotaging a series of experiments Mike is conducting with the Coast Guard.
Skipper 0.0
September 9, 1961
During hydroplane races, a friend of Mike's rams his craft into a Coast Guard ship, leaving Mike to investigate.
Crime at Sea 0.0
September 16, 1961
Mike helps the daughter of his old UDT Commander investigate the man's death, which she believes was murder.
Round Up 0.0
September 23, 1961
Mike must find and disarm a torpedo that's been sent into the outflow tube of a hydro-electric plant.