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.

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.

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.

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.

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.

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.

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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