Expedition

April 8, 1961

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Sea Hunt - S4 - E14

While helping his former history professor search for pirate treasure off the North Carolina coast, Mike finds evidence that the underwater cave said to house the treasure has been tampered with.

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Sea Hunt: Season 4 - 38 Episode s

4x1 - Point of No Return
January 7, 1961
Mike is trapped in a ""scubasphere"" when the cable attached to it snaps.
4x2 - River Treasure
January 14, 1961
While surveying a remote river in the South American jungle, Mike is threatened by the jealousy of a man prospecting for emeralds with his wife.
4x3 - The Destroyers
January 21, 1961
Mike investigates the source of a radar jamming signal that caused two ships to collide.
4x4 - Vital Error
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 his insurance, with Mike as a witness.
4x5 - The Dancer
February 4, 1961
A scuba diving ballerina faces the possibility of underwater amputation when she catches her foot between the buckled plates of a sunken freighter.
4x6 - Sperling of Lamatsue
February 11, 1961
After being accidentally caught in a fishing net, Mike challenges an Asiatic warlord by trying to retrieve a cache of medical supplies that the dictator has dumped into a river.
4x7 - Rescue
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 a menace to a busy shipping lane.
4x8 - Mercy Trip
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 epidemic.
4x9 - Hot Tracer
March 4, 1961
Mike's efforts to retrieve a pair of radioactive cylinders are complicated by the presence of a headstrong youth to whom he's been giving diving lessons.
4x10 - Sonar Story
March 11, 1961
Mike uses sonar to foil a gang of underwater heroin smugglers.
4x11 - Amigo
March 18, 1961
A young Mexican boy helps Mike locate a safe entrance to an underwater fossil cave.
4x12 - The Aquanettes
March 25, 1961
Mike faces sharks and other unexpected difficulties while working with three pretty women undergoing astronaut training.
4x13 - Survival Kit
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.
4x14 - Expedition
April 8, 1961
While helping his former history professor search for pirate treasure off the North Carolina coast, Mike finds evidence that the underwater cave said to house the treasure has been tampered with.
4x15 - Bionics
April 15, 1961
Mike convinces a reluctant daughter to continue her father's work after he is killed testing an underwater electrical detection device.
4x16 - The Defector
April 22, 1961
A man bribes Mike to continue giving lessons to an inept diving student whom he's stopped teaching.
4x17 - Niko
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.
4x18 - Cougar
May 6, 1961
A restless youth and a college girl complicate Mike's attempts at capturing a poisonous lionfish.
4x19 - Sub Hatch
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 decompression chamber after a dive to prevent the bends from killing him.
4x20 - The Octopus Story
May 20, 1961
Markings on the body of a dead diver convince a marine biologist that a tropical lagoon is inhabited by a killer octopus.
4x21 - Quicksand
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 others don't share his fate.
4x22 - Lost Island
June 3, 1961
Mike teams up with a Mexican prison escapee to uncover nefarious activity on an uncharted Pacific atoll off the coast of South America.
4x23 - Baby
June 10, 1961
Mike must get past Jivaro Indians who are blocking his passage downriver as he attempts to get a young missionary's baby to a hospital for medical attention.
4x24 - Confidential Mission
June 17, 1961
Mike poses as a tourist on vacation as he tries to locate a hidden underwater missile launcher in the Caribbean.
4x25 - Underwater Pirates
June 24, 1961
Pirates try to snatch a sunken freighter away from Mike before he can salvage it for an old Navy buddy.
4x26 - The Meet
July 1, 1961
While working for the U.S. Treasury to break a counterfeiting ring, Mike intercedes in a kidnapping.
4x27 - Dark Evil
July 8, 1961
A pretty woman and her father, vacationing in the Bahamas, become killers after inadvertently eating a variety of fish that causes hallucinations.
4x28 - Sunken Car
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.
4x29 - Hit and Run
July 22, 1961
Mike goes after an egocentric movie star who injured a friend of Mike's in a hit-and-fun speedboat accident.
4x30 - The Saint Story
July 29, 1961
While searching a Latin American harbor for a sunken statue, Mike discovers a UHF homing beacon being used to guide submarines into the port.
4x31 - Impostor
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 unable to establish an alibi due to his current top-secret mission.
4x32 - Superman
August 12, 1961
While on a diving expedition in Guatemala, a woman seeking to slow down her husband's frantic lifestyle deliberately sinks the boat they share, unaware that her husband is a diabetic and his insulin supply will be lost with the vessel.
4x33 - Roustabout
August 19, 1961
Mike's assistant is trapped underwater by an overturned truck containing drums of poison that could endanger a South American city's water supply.
4x34 - P.T. Boat
August 26, 1961
Mike helps test a remote control guidance device invented by a rich eccentric.
4x35 - Starting Signal
September 2, 1961
A naval officer of a Caribbean nation is sabotaging a series of experiments Mike is conducting with the Coast Guard.
4x36 - Skipper
September 9, 1961
During hydroplane races, a friend of Mike's rams his craft into a Coast Guard ship, leaving Mike to investigate.
4x37 - Crime at Sea
September 16, 1961
Mike helps the daughter of his old UDT Commander investigate the man's death, which she believes was murder.
4x38 - Round Up
September 23, 1961
Mike must find and disarm a torpedo that's been sent into the outflow tube of a hydro-electric plant.

4x1 - Point of No Return

4x2 - River Treasure

4x3 - The Destroyers

4x4 - Vital Error

4x5 - The Dancer

4x6 - Sperling of Lamatsue

4x7 - Rescue

4x8 - Mercy Trip

4x9 - Hot Tracer

4x10 - Sonar Story

4x11 - Amigo

4x12 - The Aquanettes

4x13 - Survival Kit

4x14 - Expedition

4x15 - Bionics

4x16 - The Defector

4x17 - Niko

4x18 - Cougar

4x19 - Sub Hatch

4x20 - The Octopus Story

4x21 - Quicksand

4x22 - Lost Island

4x23 - Baby

4x24 - Confidential Mission

4x25 - Underwater Pirates

4x26 - The Meet

4x27 - Dark Evil

4x28 - Sunken Car

4x29 - Hit and Run

4x30 - The Saint Story

4x31 - Impostor

4x32 - Superman

4x33 - Roustabout

4x34 - P.T. Boat

4x35 - Starting Signal

4x36 - Skipper

4x37 - Crime at Sea

4x38 - Round Up

S1: Season 1

S2: Season 2

S3: Season 3

S4: Season 4