Sea Hunt - Season 2 (1959)

Mike battles spies in an underwater maze of caves.

A movie producer hires Mike Nelson to help in filming an underwater escape scene in "The Counte of Monte Cristo". Mike's problems include a reckless movie star and a jealous stand-in.

A woman, who is willing to do anything she can to win, challenges Mike to an underwater race, as a publicity stunt.

Mike Nelson is called in on a space project and commissioned to experiment underwater with four top candidates for space travel.

Mike Nelson and three of his students search for a missing diver, who was dragged deep below the surface by a large fish that he speared.

Mike conducts an emergency covert search in foreign waters to recover a nuclear warhead ditched by a U.S. Air Force plane. A local fishing boat interferes.

A beautiful millionairess who was crippled by a mountain climbing accident has her husband and doctor recommend scuba diving as therapy for her legs. Nelson is hired to work with her. The husband has an ulterior motive and it involves the strong currents at 60 feet below Drakes Head on the Pacific Coast.

Mike conducts a desperate search for survivors soon after a freighter sinks to the bottom of a river in the city of New York. He finds two trapped men and a dog named Tiger surviving in an air pocket. He must quickly find a way to save the men - and Tiger, too.

Mike investigates sabotage of a turbo-electric dam located in a desert area of a small country.

Mike takes on a possible suicide mission, when he agrees to swim with a fire hose through an underwater intake pipe into a burning warehouse filled with combustible chemicals.

Nelson passing on an invitation to enjoy a break at Catalina Island instead decides to do some needed maintenance work on his boat. However,he is "hired" at gunpoint to retrieve narcotics 60 feet down on the lee side of Rogers Island. Certain he will be killed upon completing the job, Nelson tries to figure a way out.

After discovering a sunken Japanese submarine, the amateur skin diver who found it goes violently berserk.

Mike helps the police investigate the apparent murders of two divers who were searching for a sunken yacht full of treasure.

While looking into the possibility of linking two Latin American lakes by a canal, Mike runs into a group of rebel guerillas.

While on a research project, Mike encounters saboteur frogmen attempting to destroy the Panama Canal.

A Greek sponge diver and his pretty girlfriend lay a minefield for Mike, fearful that he will interfere with their discovery of a valuable statue on the Mediterranean seabed.

Mike searches for a diver who has just stolen a briefcase filled with top secret papers.

A geologist, looking for uranium deposits in an underwater cave, is trapped by a landslide.

A champion water-skier drowns during the finale of a water show.

Mike takes a husband and wife archaeologists on a cave dive.

While on a diving assignment in a foreign country, Mike Nelson unwillingly becomes involved in proving that the country's military ruler is guilty of murdering a member of the opposition party.

Shortly after a skin diver steals lobsters from an old fisherman as part of a secret club initiation, he disappears. Mike Nelson finds his spear gun near the lobster pots and the fisherman is accused of murder.

Mike is recruited to search for hidden stolen liquid explosives.

Mike attempts to rescue a kidnapped friend.

When a nosecone's capsule fails to eject after landing in the ocean, Mike attempts to locate it and rescue the scientist trapped inside.

A female diving student plots revenge after Mike kicks her out of his diving class.

Mike Nelson is on assignment to locate narcotics hidden below the waterline of vessels in the harbor.

While conducting a visual and photographic survey for a State underwater park, Mike becomes a target for murder.

Mike takes part in a daring rescue mission of a woman held prisoner by foreign forces.

Mike risks his life to catch pearl thieves off the coast of Hawaii.

Mike helps to bust up a murderous alien-smuggling ring.

Mike gets involved in recovering stolen six valuable computer memory tapes, which are being held for ransom.

Mike attempts to free a salvage diver trapped under a tremendously heavy piece of deck cargo.

Mike attempts to rescue a couple inexperienced divers from the deep.

A deep sea fisherman and his son arm and plant a World War II mine in an attempt to destroy a kelp harvester.

Mike takes on a dangerous mission: Detonating explosives that are stored inside a sunken ship.