S2 E1 • The Alcatraz Story

Mike trains three brothers in the use of scuba gear, unaware that they plan to break a fourth sibling out of Alcatraz.

Première diffusion : 4 janvier 1959

S2 E2 • Operation Greenback

Mike unwittingly shares his explosives expertise with an old navy buddy who is planning an underwater bank heist.

Première diffusion : 11 janvier 1959

S2 E3 • Underwater Security

While testing the coastal security of a rocket fuel plant, Mike discovers a pair of saboteurs.

Première diffusion : 18 janvier 1959

S2 E4 • Underwater Labyrinth

Mike is hired to retrieve a new guided-missile tracking device from a test boat sunk during a Florida hurricane, but finds that underwater thieves have beaten him to the punch.

Première diffusion : 25 janvier 1959

S2 E5 • Monte Cristo

As consultant on a remake of The Count of Monte Cristo, Mike finds that the emotions of the star and his stand-in may lead to disaster in the execution of a stunt.

Première diffusion : 1 février 1959

S2 E6 • The Stunt

An overconfident swimming champion endangers both herself and Mike when she challenges him to an underwater race to Catalina.

Première diffusion : 8 février 1959

S2 E7 • Diving for the Moon

Mike and a group of astronauts-in-training are stranded on the seabed when a hurricane blows their boat away.

Première diffusion : 15 février 1959

S2 E8 • The Search

Mike comes to the rescue of a scuba diver who has been trapped in a kelp bed while spear fishing.

Première diffusion : 22 février 1959

S2 E9 • Jettisoned

Mike races to recover a ditched nuclear warhead before sea water corrodes the casing.

Première diffusion : 1 mars 1959

S2 E10 • Murder at 60 Feet

A man planning to murder his wife hires Mike to teach her to scuba dive so that he may lure her into a dangerous underwater current.

Première diffusion : 8 mars 1959

S2 E11 • Air Pockets

Mike is hired to dive on a sunken freighter in New York Harbor in the hopes that some crew members may still be alive in air pockets.

Première diffusion : 15 mars 1959

S2 E12 • The Dam

While checking the underwater security of a new dam, Mike discovers a bomb that has been placed in an intake valve.

Première diffusion : 22 mars 1959

S2 E13 • Dock Fire

In an effort to prevent a dock fire from igniting chemicals stored in a warehouse, Mike swims into the building through an intake pipe.

Première diffusion : 29 mars 1959

S2 E14 • The Persuaders

Drug smugglers force Mike at gunpoint to help them retrieve a sunken shipment of narcotics.

Première diffusion : 5 avril 1959

S2 E15 • Nerve Gas

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

Première diffusion : 12 avril 1959

S2 E16 • Strange Salvage

Mike investigates the deaths of a pair of divers who were murdered after discovering a sunken yacht laden with jewels.

Première diffusion : 19 avril 1959

S2 E17 • Underwater Survey

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

Première diffusion : 26 avril 1959

S2 E18 • Underwater Curtain

Mike discovers a submarine off the Panama coast that is a base of operations for divers planning to destroy the Panama Canal.

Première diffusion : 3 mai 1959

S2 E19 • Hermes

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.

Première diffusion : 10 mai 1959

S2 E20 • The Briefcase

A man tricks a scientist into dropping a top-secret folio overboard, where a confederate can retrieve it.

Première diffusion : 17 mai 1959

S2 E21 • Cave Diving

Mike attempts to rescue a geologist who has been trapped in an underwater cave by a sudden landslide.

Première diffusion : 24 mai 1959

S2 E22 • Water Ski Show

Mike investigates the mysterious death of the featured performer in a water ski show during the act's underwater finale.

Première diffusion : 1 juillet 1959

S2 E23 • Underwater Shrine

Mike and a pair of archaeologists risk the anger and booby traps of islanders while exploring underwater caves in the Caribbean.

Première diffusion : 7 juin 1959

S2 E24 • Chain of Evidence

Latin American revolutionaries recruit Mike to recover the body of their murdered leader from the palace lagoon in order to ignite an uprising.

Première diffusion : 14 juin 1959

S2 E25 • Treasure Hunt

A young skindiver is found murdered after stealing lobsters from an elderly fisherman as an initiation stunt.

Première diffusion : 21 juin 1959

S2 E26 • Sea Serpent

Mike defies tales of a mysterious sea serpent when he searches for a shipment of stolen liquid explosives in Arabia.

Première diffusion : 28 juin 1959

S2 E27 • The Getaway

After one of their number is wounded in the robbery of a beach side casino, a team of thieves kidnap a doctor's wife in order to lure the physician into a trap.

Première diffusion : 5 juillet 1959

S2 E28 • Underwater Ejection

A freak accident endangers a man's life during the test of Mike's new method of retrieving sunken ICBM nose cones.

Première diffusion : 12 juillet 1959

S2 E29 • The Female

A beautiful woman plots revenge against Mike after flunking out of his class for scuba diver instructors.

Première diffusion : 19 juillet 1959

S2 E30 • Port Security

Mike tries to break a ring of drug traffickers who are smuggling heroin into the country in ballast tanks.

Première diffusion : 26 juillet 1959

S2 E31 • Underwater Park

Someone attempts to kill Mike while he's scouting out a site for an underwater marine preserve.

Première diffusion : 2 août 1959

S2 E32 • Underwater Unit

Mike is recruited to train a pair of divers for an urgent secret assignment.

Première diffusion : 9 août 1959

S2 E33 • Proof of Guilt

Mike uses an underwater TV camera setup to nab thieves who are robbing a Hawaiian girl's pearl beds.

Première diffusion : 16 août 1959

S2 E34 • Chained

Mike stands by to assist an undercover man in his assignment to infiltrate an illegal alien-smuggling ring.

Première diffusion : 23 août 1959

S2 E35 • Ransom

A husband-wife team steal and then ransom some computer tapes necessary to a plant's operations.

Première diffusion : 30 août 1959

S2 E36 • Oil Island

A careless salvage diver is trapped on the deck of a sunken freighter by some lead cable.

Première diffusion : 6 septembre 1959

S2 E37 • Base of Operations

A husband and wife team of photojournalists ignore Mike's warnings about diving on a sunken ocean liner and are imperiled by the pressures of the deep.

Première diffusion : 13 septembre 1959

S2 E38 • Kelp Forest

A coastal fisherman wages a private war against kelp harvesters, blaming them for ruining the fishing grounds necessary to his livelihood.

Première diffusion : 20 septembre 1959

S2 E39 • The Raft

Mike dives onto a sunken freighter loaded with nitro, planning to detonate the cargo before it drifts away into the shipping lanes.

Première diffusion : 27 septembre 1959