Season 2

January 4, 1959

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

January 11, 1959

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

January 18, 1959

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

January 25, 1959

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.

February 1, 1959

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.

February 8, 1959

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

February 15, 1959

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

February 22, 1959

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

March 1, 1959

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

March 8, 1959

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.

March 15, 1959

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.

March 22, 1959

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

March 29, 1959

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

April 5, 1959

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

April 12, 1959

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

April 19, 1959

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

April 26, 1959

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

May 3, 1959

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

May 10, 1959

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.

May 17, 1959

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

May 24, 1959

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

July 1, 1959

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

June 7, 1959

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

June 14, 1959

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

June 21, 1959

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

June 28, 1959

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

July 5, 1959

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.

July 12, 1959

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

July 19, 1959

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

July 26, 1959

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

August 2, 1959

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

August 9, 1959

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

August 16, 1959

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

August 23, 1959

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

August 30, 1959

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

September 6, 1959

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

September 13, 1959

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.

September 20, 1959

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

September 27, 1959

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