Mike trains three brothers in the use of scuba gear, unaware that they plan to break a fourth sibling out of Alcatraz. Air Date : 4th-Jan-1959  Read More

Mike unwittingly shares his explosives expertise with an old navy buddy who is planning an underwater bank heist. Air Date : 11th-Jan-1959  Read More

While testing the coastal security of a rocket fuel plant, Mike discovers a pair of saboteurs. Air Date : 18th-Jan-1959  Read More

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. Air Date : 25th-Jan-1959  Read More

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. Air Date : 1st-Feb-1959  Read More

An overconfident swimming champion endangers both herself and Mike when she challenges him to an underwater race to Catalina. Air Date : 8th-Feb-1959  Read More

Mike and a group of astronauts-in-training are stranded on the seabed when a hurricane blows their boat away. Air Date : 15th-Feb-1959  Read More

Mike comes to the rescue of a scuba diver who has been trapped in a kelp bed while spear fishing. Air Date : 22nd-Feb-1959  Read More

Mike races to recover a ditched nuclear warhead before sea water corrodes the casing. Air Date : 1st-Mar-1959  Read More

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. Air Date : 8th-Mar-1959  Read More

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. Air Date : 15th-Mar-1959  Read More

While checking the underwater security of a new dam, Mike discovers a bomb that has been placed in an intake valve. Air Date : 22nd-Mar-1959  Read More

In an effort to prevent a dock fire from igniting chemicals stored in a warehouse, Mike swims into the building through an intake pipe. Air Date : 29th-Mar-1959  Read More

Drug smugglers force Mike at gunpoint to help them retrieve a sunken shipment of narcotics. Air Date : 5th-Apr-1959  Read More

After discovering a sunken Japanese submarine, the amateur skin diver who found it goes violently berserk. Air Date : 12th-Apr-1959  Read More

Mike investigates the deaths of a pair of divers who were murdered after discovering a sunken yacht laden with jewels. Air Date : 19th-Apr-1959  Read More

While looking into the possibility of linking two Latin American lakes by a canal, Mike runs afoul of rebel guerillas. Air Date : 26th-Apr-1959  Read More

Mike discovers a submarine off the Panama coast that is a base of operations for divers planning to destroy the Panama Canal. Air Date : 3rd-May-1959  Read More

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. Air Date : 10th-May-1959  Read More

A man tricks a scientist into dropping a top-secret folio overboard, where a confederate can retrieve it. Air Date : 17th-May-1959  Read More

Mike attempts to rescue a geologist who has been trapped in an underwater cave by a sudden landslide. Air Date : 24th-May-1959  Read More

Mike investigates the mysterious death of the featured performer in a water ski show during the act's underwater finale. Air Date : 1st-Jul-1959  Read More

Mike and a pair of archaeologists risk the anger and booby traps of islanders while exploring underwater caves in the Caribbean. Air Date : 7th-Jun-1959  Read More

Latin American revolutionaries recruit Mike to recover the body of their murdered leader from the palace lagoon in order to ignite an uprising. Air Date : 14th-Jun-1959  Read More

A young skindiver is found murdered after stealing lobsters from an elderly fisherman as an initiation stunt. Air Date : 21st-Jun-1959  Read More

Mike defies tales of a mysterious sea serpent when he searches for a shipment of stolen liquid explosives in Arabia. Air Date : 28th-Jun-1959  Read More

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. Air Date : 5th-Jul-1959  Read More

A freak accident endangers a man's life during the test of Mike's new method of retrieving sunken ICBM nose cones. Air Date : 12th-Jul-1959  Read More

A beautiful woman plots revenge against Mike after flunking out of his class for scuba diver instructors. Air Date : 19th-Jul-1959  Read More

Mike tries to break a ring of drug traffickers who are smuggling heroin into the country in ballast tanks. Air Date : 26th-Jul-1959  Read More

Someone attempts to kill Mike while he's scouting out a site for an underwater marine preserve. Air Date : 2nd-Aug-1959  Read More