A submarine of the World Security Patrol is destroyed. WASP is called in to investigate and its Stingray submarine, capable of speeds of up to 600 knots an hour, is sent to investigate.

Marineville goes to battle stations as a missile is launched.

The sunken wreck of an old sailing ship suddenly rises to the surface and begins sailing. The Stingray crew investigates and encounter a creature.

Scientists drill through the ocean floor to find another sea underneath. Stingray investigates and discovers a weird place where water rapidly disappears and then reappears.

Stingray investigates claims of the Loch Ness monster.

Stingray escorts Admiral Denver on his sail across the Pacific as they are hit by a huge storm.

During a training exercise, Stingray is fired on by a submarine from the World Navy controlled by Capt. Jordon, whom people think is responsible.

Titan, the leader of the amphibians decides to replace the crew on Stingray instead of destroying the vessel.

Two men take an unsafe submarine to the ocean floor searching for a rumored forest of gems. After the men get in to trouble, Stingray is sent to rescue them.

Duke Dexter, the world's most famous singer will be visiting Marineville for a benefit concert where he is kidnapped by Titan.

Stingray is delopyed to Africa to investigate a series of flooded underwater ruins that appear to have disappeared. The crew finds evidence of human intervention and avoid a trap when a bomb explodes under Stingray. Stingray must investigate if the same poeple who set the bomb stole the temple complex.

Troy visits Barry, an orphan of a former commander of Marineville. Troy invites the boy to spend Christmas with them and convinces the Commander into letting Barry go on patrol with the Stingray crew.

Learning that a jazz group is to give a concert in the undersea city of Aphony, where Marina's father lives, Surface Agent X20 plants a bomb in the group's bass.

Commander shore keeps having nightmares about the time when he was crippled in a sea battle with an underwater craft five years ago and rescued by a mysterious stranger.

As part of his training to become an aquanaut, Lt. Fisher is given temporary command of Stingray and assigned target practice.

Just as an aircraft begins its approach towards a new airfield, light from a disguised lighthouse comes on, confusing the pilot and causing him to crash.

An underwater race that lives beneath the floor of the Pacific Ocean has developed a large "missile ejector" and is test firing it on small islands.

Troy is on standby duty while a ship carrying a radioactive isotope nears its port destination and gets a summons to help the stricken ship.

After a robot probe inexplicably disappears, the Stingray crew is ordered to investigate.

An Eastern dictator named El Hudat arrives in Marineville, wishing to become a member of the World Aquanaut Security Patrol.