Tune of Danger. 1964. Stars David Graham, Lois Maxwell & Don Mason. Agent X20 learns that a jazz group is to give a concert in Pacifica and plans to plant a bomb in one of the instruments.
Raptures of the Deep. 1964. Stars Ray Barrett, Robert Easton & Gary Miller. While the Stingray crew go to the rescue of two crazy treasure hunters, Troy falls down a crevasse and runs out of air.
An Echo of Danger. 1964. Stars Robert Easton, Lois Maxwell & Don Mason. Phones' ability to work as Stingray's hydrophone operator is called into question after Agent X20 attempts to sabotage him.
The Man from the Navy. 1964. Stars David Graham, Robert Easton & Don Mason. When a naval Captain arrives to demonstrate a new missile, Surface Agent X20 takes the opportunity to sabotage the test.
Set Sail for Adventure. 1964. Stars Lois Maxwell, Robert Easton & David Graham. Phones and Lt Fisher take up a challenge to become members of Admiral Denver's crew on an ancient sailing vessel.
Loch Ness Monster. 1964. Stars Ray Barrett, Robert Euston & David Graham. When Commander Shore's friend claims to have seen the Loch Ness Monster, the Stingray crew is sent to investigate.
Subterranean Sea. 1964. Stars Ray Barrett, Robert Easton & Lois Maxwell. When the Stingray crew has their holiday cancelled, they set off to probe the ocean depths and make a strange discovery.
The Ghost Ship. 1964. Stars Robert Easton, Don Mason & David Graham. The Stingray is sent to investigate the wreck of a sailing ship which has risen to the surface and begun sailing again.
Emergency Marineville. 1964. Stars Ray Barrett, Robert Easton & Lois Maxwell. The crew of Stingray investigates the source of a series of mysterious but unsuccessful missile attacks on Marineville.
Stingray. 1964. Stars Ray Barrett, Robert Easton & David Graham. Investigating the loss of a submarine, the crew of Stingray are captured by the Aquaphibians and sentenced to death.