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26 Episodes 1971 - 1972
Episode 1
Wed, Sep 15, 197130 mins
When Primus develops a sophisticated robot to complete a risky underwater operation, little does he realize that George Benton has other plans for the robot-namely to recover Russian art treasures from a sunken liner.
Episode 2
Wed, Sep 22, 197130 mins
Nicola, a photographic model, and a woman's-lib advocate is determined to attempt a dangerous dive. Nicola steals an untested underwater breathing device that has been altered and is lethal if used.
Episode 3
Wed, Sep 29, 197130 mins
While investigating the disappearance of all fish life off the island of Mangaya, Primus becomes involved with the kidnapping of Freemont, an American Ambassador.
Episode 4
Wed, Oct 6, 197130 mins
Carter Primus makes a deep sea dive to save an oceanographer who has been stung by a scorpion fish.
Episode 5
Wed, Oct 20, 197130 mins
A former employee of Primus' pulls a $50,000 bank robbery, then tries to steal his submarine.
Episode 6
Wed, Oct 27, 197130 mins
This story had to do with smugglers of cocaine into the USA, by magnetically attaching containers to ships, then processed in underwater habitats.
Episode 7
Wed, Nov 3, 197130 mins
Carter Primus is called to save a harbor doomed by canisters of deadly phosphorus in the area.
Episode 8
Wed, Nov 10, 197130 mins
An electrical storm causes an explosion and fire on an offshore oil-drilling platform. Carter Primus must rescue a colleague who is trapped in the raging inferno.
Episode 9
Wed, Nov 17, 197130 mins
Primus investigates the disappearance of oil from an underwater pipeline for E. Wayne Garnett who owns an oil concession from an Arab nation.
Episode 10
Wed, Nov 24, 197130 mins
Marshall Grant, an emotionally disturbed astronaut, creates havoc in an undersea habitat.
Episode 11
Sat, Dec 4, 197130 mins
Primus is required to save the world when a rogue Soviet nuclear submarine commander threatens to launch his missiles at the United States.
Episode 12
Wed, Dec 8, 197130 mins
Primus must rescue a Greek shipping magnate's son who is trapped in a sunken World War II ship.
Episode 13
Wed, Dec 15, 197130 mins
Drama involving an impending hurricane. While training dry land miners to dig on the ocean Primus discovers that two miners searching for ore samples are missing.
Episode 14
Wed, Dec 22, 197130 mins
Toni and Charlie are trapped in a shark cage which drops to depths beyond which divers should go and Primus attempts their rescue amid a school of frenzied sharks.
Episode 15
Wed, Dec 29, 197130 mins
Let's celebrate Halloween night with spooky scary Halloween songs for kids!

Episode 16
Wed, Jan 5, 197230 mins
Primus captures three college students while stealing his portable sub the Shark Hunter. But the students hide a more serious purpose in mind: to lock themselves to the waste pipe of a nearby chemical plant.
Episode 17
Wed, Jan 12, 197230 mins
Carter Primus investigates a report 20-foot sea monster which turns out to be an anaconda that was washed overboard en route from Brazil.
Episode 18
Wed, Jan 19, 197230 mins
Primus is dogged by a sniper while he helps a community whose important economic resource, a phosphate plant, is also its greatest liability, the deadliest cause of pollution, killing all fish in the town's river.
Episode 19
Fri, Apr 21, 197230 mins
Carter Primus is called to recover a live experimental torpedo which has sunk to the bottom of the ocean off the west coast of Cuba.
Episode 20
Fri, Apr 28, 197230 mins
A plane crashes into the ocean with a payload of $7,000,000 worth of industrial diamonds. Insurance investigator Derek Simpson commissions Carter Primus to locate the wreckage.
Episode 21
Fri, May 5, 197230 mins
Primus is commissioned to guard a museum filled with priceless treasures. The museum is located near the sea and while Primus and his assistant attempt to install infrared devices underwater, they are trapped by a steel net.
Episode 22
Fri, May 12, 197230 mins
The police chase a gang involved in the plutonium black market. Primus replaces one of the gang members, a Navy diver, after the guy is washed away dead on the beach.
Episode 23
Fri, May 19, 197230 mins
Carter Primus hires professional skin divers to locate a boat which disappeared mysteriously. A whirlpool sucks them into an underwater cave. Searching for the divers, Primus and Toni Hayden fall into the whirlpool.
Episode 24
Fri, May 26, 197230 mins
While Primus and Toni train three divers, one receives a gash from the sunken wreckage they're exploring and a school of 200 sharks is attracted by the blood.
Episode 25
Fri, Jun 2, 197230 mins
While Primus surfaces for medical aid and fresh air supply, the divers seek refuge in a sunken wreckage.
Episode 26
Fri, Jun 9, 197230 mins
A man stricken with nitrogen narcosis disappears into a shapeless eerie ocean mass. Primus swims to investigate.