Working for the State Department, Mike attempts to rescue a political prisoner in South America by using a harbor city's canal system. Air Date : 9th-Jan-1960  Read More

A swimsuit designer hires Mike to do an underwater fashion shoot, but corporate espionage interferes with the job. Air Date : 16th-Jan-1960  Read More

Mike attempts to deal a blow to organized crime by using a periscope camera to photograph a secret meeting of mob bosses at a lakeside estate. Air Date : 23rd-Jan-1960  Read More

Mike finds high radiation coming from the hull of a foreign freighter, but when the Coast Guard investigates, they find no trace of the radioactivity. Air Date : 30th-Jan-1960  Read More

An accidental death puts Mike onto an espionage ring that is using an underwater cave for a microfilm drop site. Air Date : 6th-Feb-1960  Read More

Mike and a female health official try to remove a dangerously radioactive capsule from a sunken ship. Air Date : 13th-Feb-1960  Read More

Mike, working with a pretty Secret Service agent, poses as a scientist in order to retrieve a cache of counterfeit currency from a crashed Nazi plane off the coast of a Caribbean republic. Air Date : 20th-Feb-1960  Read More

Mike finds that someone has tapped the underwater cable used in monitoring a televised missile test. Air Date : 27th-Feb-1960  Read More

Mike rescues a diver in the Bahamas, then helps her with her research into the origin of a jade statue she owns. Air Date : 5th-Mar-1960  Read More

While on patrol with the Coast Guard Auxiliary, Mike discovers a deported crime boss trying to re-enter the country, then has to rescue him from some old enemies. Air Date : 12th-Mar-1960  Read More

Mike leads the way in a salvage operation to recover more than a million dollars' worth of gems from the captain's safe of a sunken ship. Air Date : 19th-Mar-1960  Read More

In preparation for the visit of a foreign head of state, Mike helps the Coast Guard do a security check on the area. Air Date : 26th-Mar-1960  Read More

A new revolutionary leader asks Mike to help him retrieve his country's hidden gold reserves, believed to have been hidden aboard a scuttled freighter by the ousted former dictator. Air Date : 2nd-Apr-1960  Read More

While marking underwater sites for demolition by a construction company, Mike learns that a young boy is trapped in a submerged grotto that has already been mined with an explosive. Air Date : 9th-Apr-1960  Read More

While supervising an expedition in the Indian Ocean to find a rare coelacanth fish, Mike finds that the organizer is dangerously eager to impress his fiance. Air Date : 16th-Apr-1960  Read More

Scientists risk triggering a tidal wave when they ignore Mike's warnings about the strength of the explosive charges they're using. Air Date : 23rd-Apr-1960  Read More

Mike faces arrows and an alligator in the Mayan jungle while searching for a drug that could be a boon to medicine or a dangerous narcotic. Air Date : 30th-Apr-1960  Read More

Mike tries to reach a little girl trapped in the air shaft of a mine located at the edge of a man-made lake, but the potential for a landslide hampers his attempt. Air Date : 7th-May-1960  Read More

Mike searches for a vanished oceanographer by retracing her charted course. Air Date : 14th-May-1960  Read More

Mike discovers the wreck of a navy ship that disappeared mysteriously, and is joined by a pair of its former crew members when he dives to examine it. Air Date : 21st-May-1960  Read More

Mike becomes suspicious when his hired dive on a Spanish galleon yields a rare art treasure. Air Date : 28th-May-1960  Read More

While diving in Lake Ontario, Mike is sent by the Coast Guard to investigate an item that crashed into the lake nearby, which may be an enemy ICBM. Air Date : 4th-Jun-1960  Read More

An East Indian oceanographer vanishes during a series of underwater experiments with infra-red light. Air Date : 11th-Jun-1960  Read More

Mike and an old war buddy use a new, untested ""re-breather"" to investigate an underwater missile site being constructed in the channel of a privately-owned island. Air Date : 18th-Jun-1960  Read More

Mike helps a friend in the military with his tests of underwater radar equipment. Air Date : 25th-Jun-1960  Read More

Mike straightens out a pair of teenagers who poisoned a shark Mike had captured for Marineland. Air Date : 2nd-Jul-1960  Read More

While helping to test a friend's underwater radio device, Mike discovers a submerged radio beacon, camouflaged and guarded by an electric gun. Air Date : 9th-Jul-1960  Read More

A small Latin American country calls upon Mike to help defuse a sunken munitions ship set to blow by saboteurs. Air Date : 16th-Jul-1960  Read More

Mike goes after a newlywed teenager turned fugitive after a bungled holdup prompts him to hide in the city's storm drain system. Air Date : 23rd-Jul-1960  Read More

Mike trains a pair of frogmen for a rescue mission in which they will rescue their kidnapped president from an ancient fortress. Air Date : 30th-Jul-1960  Read More

When Mike is called upon to teach scuba diving to his former mentor who trained him in helmet diving, he finds that the older man is not physically up to it. Air Date : 6th-Aug-1960  Read More