When Masterspy sabotages an experimental nuclear powered train in an attempt to kill Dr. Beaker, Mike's only chance to save him is to use an untested magnet designed to grab small vehicles.

Professor Popkiss comes down with appendicitis. After the operation, Mike has to fly to the Arctic to get the closest blood donor who has Professor Popkiss's blood type.

On the hunt for the person who engineered the planting of atomic bombs all over the United States, the Supercar team find themselves captured by the culprit, a villainous sheriff.

Answering a distress call, Mike and Beaker find that a Professor Karloff plans to take over America by reducing all its citizens to miniature size, but then find themselves on the wrong end of his shrinking ray.

Professor Popkiss orders a special cooking wine from France, but when the crate arrives everyone gets quite a surprise from its contents - there's a girl inside.

When Mitch unties a rope that is securing the Professor's latest project, a gas-filled balloon, it takes off with Mike, Jimmy, and Dr. Beaker aboard. So it appars to be up to Professor Popkiss to fly Supercar to their rescue.

What at first seems a simple job training airplane pilots turns into a situation where Supercar must stop Masterspy and Zarin from taking over an airliner in mid flight.

The Supercar team discovers that Masterspy has tapped a transatlantic cable, and is able to use this to track him back to his underwater lair.

Bill Gibson and Beaker come under attack by Masterspy as they are transporting an experimental new fuel across the desert. Mike must rescue them before the volatile fuel warms up past its freezing point and explodes.

Pretending to be a reporter, Masterspy manages to steal the secret plans for Supercar, or so he thinks. Mike has actually allowed him to steal a tracking device that will allow Supercar to follow him back to his hideout.

Supercar's underwater capabilities come in handy when Mike receives a call for help from the deposed president of the island nation of Pelota.

Black Morgan, a descendant of the infamous pirate, has been plundering cruise ships in the Pacific, and Supercar is the only vessel that can match his speed. But then he threatens to blow up a group of hostages with a torpedo if Mike tries to stop him.

When a painting he just bought is stolen from Dr. Beaker, he discovers that it contained a clue to the secret hiding place of a forger's plates for printing counterfeit money.

The Supercar team goes to Kirikan, an isolated kingdom in southern Asia, on a mission to deliver medical supplies to save a prince's life, but their efforts are thwarted by an attempted coup.

When engine trouble forces Supercar to land in the African jungle, the first night goes well until Mike and Dr. Beaker wake up to find Mitch missing.

Baffled by a series of armored car robberies, Scotland Yard calls in he Supercar team, but when Dr. Beaker decides to take the wheel for the next delivery, he is unaware that he is headed for a deadly trap.

Masterspy's latest plan to gain possession of Supercar is to offer to buy it outright - using counterfeit money.

A helicopter arrives at Black Rock carrying criminals who have broken out of prison and demand at gunpoint that Supercar fly them to a safe haven in Mexico.

On a test dive to the sea floor, Supercar has engine trouble and then becomes entangled in the cable of an unexploded mine.

When a typhoon forces Supercar down near an island temple guarded by Ho Meng, the man thinks it is some kind of dragon until his daughter is kidnapped and he gets to see Supercar in action.

When the team uses a newly-acquired movie camera to document Supercar's abilities, the film accidentally falls into the hands of some spies, so Mike and crew have to fly to New York to retrieve it.

Mike must take Supercar into oribt to rescue his pet monkey Mitch, who has accidentally launched himself in a rocket to outer space.

When sabotage keeps Mike from pursuing two thieves via the skies, he continues to follow them using his vehicle as an ordinary car.

While Dr. Beaker is on vacation in Ireland, two men kidnap a girl and force him to call Mike Mercury for help.

Masterspy and Zarin use a phony distress call to lure Supercar to them, and after they have Mike captured and drugged, who will be able to stop them from making off with the super vehicle?