Seasons & episodes

A pair of prospectors hire Mike to trace the source of radioactive fish with a Geiger counter in hopes of finding a uranium deposit.

Mike is hired by a playboy sportsman to supervise their underwater shark ""safari"" in the waters off Peru.

Mike finds a famous rocket scientist being held in an underwater prison by enemy agents.

A frustrated former athlete pushes his children to be Olympic swimmers, resulting in their becoming trapped in a cave by a rising tide.

Mike leads a diving team in rescuing a Latin American diplomat and his family from kidnappers.

Mike and three other survivors share a life raft after a storm capsizes their boats.

Mike's work on a movie prompts a fellow stunt diver to attempt a dangerous record-setting dive.

After locating a leak in a gas line and retrieving a young boy's sunken bicycle, Mike is beaten up and threatened by a gang of thugs.

An underwater camera holds the key to determining whether a woman's drowning was accidental, as her husband claims, or not.

Mike is hired to destroy an underwater offshore peak that is notorious for ripping the hulls out of passing ships.

A group of sportsmen hire Mike to supervise their skin-diving outing, whereupon one of them sneaks off and begins photographing secret Navy facilities.

Mike is hired by an insurance company to investigate the sinking of a freighter, but a murder indicates that someone doesn't want him to complete his task.

Mike investigates reports of a sea monster off the coast of Mexico.

The murder of a telephone company employee leads Mike to an underwater cable that is being tapped to access top-secret research Conferences.

Mike discovers an important manganese deposit, but an ambitious young geologist, sharks, and an approaching hurricane threaten to silence him before he can inform the government.

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

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

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

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.

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.

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

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

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

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