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Starting Signal

Starting Signal

Mike battles underwater saboteurs, as he assists the US Navy with underwater sound travel experiments.

  • Duration: 30 min
  • IMDb: 7.6

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All Episodes - S04

Parent Show

HD Point of No Return

Point of No Return

EPS01

Point of No Return - EPS 01

HD
IMDb: 8.2
1961
30 min

As part of a research project, Mike Nelson attempts to spend three days underwater at a depth of 250 feet in a pressure chamber dubbed Scubasphere. A tropical storm pops ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD River Treasure

River Treasure

EPS02

River Treasure - EPS 02

HD
IMDb: 7.2
1961
30 min

While in a South American jungle, Mike tangles with a jealous treasure hunter. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD The Destroyers

The Destroyers

EPS03

The Destroyers - EPS 03

HD
IMDb: 8.0
1961
30 min

Mike investigates the mysterious collision of two Navy destroyers. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Vital Error

Vital Error

EPS04

Vital Error - EPS 04

HD
IMDb: 6.3
1961

Mike's normally level-headed skindiving buddy begins to exhibit peculiar behavior. ...

Country: USA
Genre: Action, Adventure,
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HD The Dancer

The Dancer

EPS05

The Dancer - EPS 05

HD
IMDb: 8.9
1961
30 min

Mike desperately tries to save the life and limb of a popular dancer whose leg is hopelessly pinned in wreckage 90 feet below the surface. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Sperling of Lamatsue

Sperling of Lamatsue

EPS06

Sperling of Lamatsue - EPS 06

HD
IMDb: 6.4
1961
30 min

Mike tries to recover valuable medical supplies that an Asiatic warlord has dumped into the river. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Rescue

Rescue

EPS07

Rescue - EPS 07

HD
IMDb: 8.3
1961
30 min

Mike must dive to rescue a friend trapped in a sunken wreck, with just minutes left until explosive charges are set to blow it to pieces. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Mercy Ship

Mercy Ship

EPS08

Mercy Ship - EPS 08

HD
IMDb: 8.3
1961
30 min

Mike risks his life in order to sneak badly needed medical supplies through a dictator's mine-infested blockade. ...

Country: USA
Genre: Action, Adventure,
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HD Hot Tracer

Hot Tracer

EPS09

Hot Tracer - EPS 09

HD
IMDb: 7.2
1961
30 min

Problems arise as Mike attempts to retrieve a pair of radioactive cylinders leaking dangerous amounts of radiation underwater. ...

Country: USA
Genre: Action, Adventure,
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HD Sonar Story

Sonar Story

EPS10

Sonar Story - EPS 10

HD
IMDb: 7.8
1961
30 min

Using sonar equipment on his boat, Mike tracks heroin smugglers. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Amigo

Amigo

EPS11

Amigo - EPS 11

HD
IMDb: 8.0
1961
30 min

Mike travels to Mexico in search of underwater fossils in an inaccessible cave. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD The Aquanettes

The Aquanettes

EPS12

The Aquanettes - EPS 12

HD
IMDb: 6.1
1961
30 min

Mike takes part in a special program known as Operation Astronette. His job is to train three female astronauts in underwater survival skills. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Survival Kit

Survival Kit

EPS13

Survival Kit - EPS 13

HD
IMDb: 7.5
1961
30 min

Mike attempts to salvage a survival kit from a German fighter plane shot down during World War II. ...

Country: USA
Genre: Action, Adventure,
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HD Expedition

Expedition

EPS14

Expedition - EPS 14

HD
IMDb: 8.9
1961
30 min

Professor Halliday wants more money to carry on his underwater exploration. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Bionics

Bionics

EPS15

Bionics - EPS 15

HD
IMDb: 7.8
1961
30 min

An inventor dies while testing a new underwater detection device. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD The Defector

The Defector

EPS16

The Defector - EPS 16

HD
IMDb: 8.3
1961
30 min

Mike tells an inept skin-diving pupil that there's no point in continuing his lessons. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Niko

Niko

EPS17

Niko - EPS 17

HD
IMDb: 7.4
1961
30 min

Mike attempts to diffuse two sunken torpedoes, as well as diffusing the racial tensions between the Japanese and American members of his 3-man team. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Cougar

Cougar

EPS18

Cougar - EPS 18

HD
IMDb: 7.0
1961
30 min

Mike and a young man, whom he had helped rehabilitate when he was a juvenile delinquent, fly to Hawaii to hunt for lionfish, one of the most venomous fish on the ocean fl ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Sub Hatch

Sub Hatch

EPS19

Sub Hatch - EPS 19

HD
IMDb: 7.4
1961
30 min

Mike and his partner fight the bends, as they endure a long recovery process in a submarine's escape trunk. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD The Octopus Story

The Octopus Story

EPS20

The Octopus Story - EPS 20

HD
IMDb: 7.0
1961
30 min

Mike and his diving team are attacked by a violent new breed of octopus. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Quicksand

Quicksand

EPS21

Quicksand - EPS 21

HD
IMDb: 8.0
1961
30 min

While searching for a sunken wreck, Mike's hard hat diving partner disappears, leaving nothing behind but his torn air hose attached to their boat on the surface. ...

Country: USA
Genre: Action, Adventure,
Watch Episode
HD Lost Island

Lost Island

EPS22

Lost Island - EPS 22

HD
IMDb: 7.0
1961
30 min

While on a covert mission for the U.S. Government, Mike discovers a few unsavory inhabitants on what was supposedly a deserted island. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Baby

Baby

EPS23

Baby - EPS 23

HD
IMDb: 7.2
1961
30 min

While in the dangerous jungles of Ecuador, Mike takes desperate measures to save the life of his very ill infant godson. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Confidential Mission

Confidential Mission

EPS24

Confidential Mission - EPS 24

HD
IMDb: 7.8
1961
30 min

Mike travels undercover to the Caribbean Coast on a secret mission for the United States Government. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Underwater Pirates

Underwater Pirates

EPS25

Underwater Pirates - EPS 25

HD
IMDb: 7.0
1961
30 min

It's a battle of wits, as Mike tries to outsmart pirates intent on hijacking the cargo of a sunken wreck that he found. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD The Meet

The Meet

EPS26

The Meet - EPS 26

HD
IMDb: 6.5
1961
30 min

Mike is recruited to track down counterfeiters. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Dark Evil

Dark Evil

EPS27

Dark Evil - EPS 27

HD
IMDb: 7.0
1961
30 min

While Mike is in Nassau on a salvage job, two of his friends catch and eat a strangely poisonous fish for breakfast, which causes severe hallucinations that trigger suici ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Sunken Car

Sunken Car

EPS28

Sunken Car - EPS 28

HD
IMDb: 7.8
1961
30 min

After being falsely arrested for diving in a bay, Mike sets out to solve a murder mystery. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Hit and Run

Hit and Run

EPS29

Hit and Run - EPS 29

HD
IMDb: 7.0
1961
30 min

A female diving friend of Mike's is hospitalized with severe injuries sustained by a hit-and-run speedboat piloted by a popular movie star. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD The Saint Story

The Saint Story

EPS30

The Saint Story - EPS 30

HD
IMDb: 7.8
1961
30 min

Mike is recruited to rescue the statue of a Saint who falls off a ship into the sea. The locals believe this is the cause of many problems in the area including the poor ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Imposter

Imposter

EPS31

Imposter - EPS 31

HD
IMDb: 7.1
1961
30 min

Mike is suspected of insurance fraud, after an impostor steals a valuable necklace. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Superman

Superman

EPS32

Superman - EPS 32

HD
IMDb: 7.7
1961
30 min

Mike is invited to join a longtime friend and her workaholic husband on their expedition to explore an Aztec ceremonial pool on an uninhabited island located 15 miles off ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Roustabout

Roustabout

EPS33

Roustabout - EPS 33

HD
IMDb: 7.6
1961
30 min

A South American city's water supply is threatened by a drum of poison from an overturned truck. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD P.T. Boat

P.T. Boat

EPS34

P.T. Boat - EPS 34

HD
IMDb: 6.9
1961
30 min

While vacationing in Nassau, Bahamas, Mike meets an eccentric multi-millionaire inventor and his sister. He helps the man experiment with an underwater remote control dev ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Starting Signal

Starting Signal

EPS35

Starting Signal - EPS 35

HD
IMDb: 7.6
1961
30 min

Mike battles underwater saboteurs, as he assists the US Navy with underwater sound travel experiments. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Skipper

Skipper

EPS36

Skipper - EPS 36

HD
IMDb: 7.3
1961
30 min

Mike investigates the ramming of a Coast Guard boat by a hydroplane piloted by a friend of his during a race. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Crime at Sea

Crime at Sea

EPS37

Crime at Sea - EPS 37

HD
IMDb: 7.4
1961
30 min

Mike Nelson sets out to prove that the death at sea of a friend's father was the result of murder. ...

Country:
Genre: Action, Adventure,
Watch Episode
HD Round Up

Round Up

EPS38

Round Up - EPS 38

HD
IMDb:

Plot not avaiable ...

Country:
Genre: ,
Watch Episode

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