Jimmy Gibson and his older brother Bill are flying to America by plane with Mitch the monkey when their plane crashes. The Air Sea Rescue team can find no trace of their life raft through the dense fog, but at Black Rock Laboratory, the newly-completed Supercar is ready to be put to the test and Mike Mercury flies out to rescue the trio.

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?

With Dr. Beaker's unwitting help, Masterspy locates and steals the legendary lost talisman of Sargon, which supposedly has magical powers that will allow him to take over an oil sheik's riches.

An Air Force test to explode a new rocket fuel in the upper atmosphere goes awry, and only Supercar has a chance of getting close enough to detonate it before it falls back to earth.

When Mitch the monkey falls ill with sleeping sickness, Mike and Dr. Beaker head for the Amazon jungle to retrieve a special plant that can cure him, but they are captured by a tribe of headhunters.

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

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.

Masterspy tries to take over an old rubber plantation in Malaysia, not realizing that the girl who now owns the estate is Beaker's cousin, and she has obtained the assistance of Mike and Supercar.

Masterspy kidnaps Dr. Beaker and tries to make off with Supercar, but he gets a nasty shock when he finds out that Mike can take over part of the vehicle's operation by remote control.

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

Mike and his friends go to Scotland to solve the mystery of a castle's phantom bagpiper and keep a woman from being swindled out of a valuable gem.

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.

Jimmy has a dream in which he and Mitch use Supercar to rescue a princess.

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

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

Mike and Beaker help a history professor excavate an underwater cavern, but they are unprepared to encounter a stolen safe full of money and a falling statue.

Forced off course on its way to the South Pole, Supercar is forced to land in the ruins of an ancient city, where its passengers discover the secret hideout of a mad scientist who is planning to destroy Washington D.C. with a guided missile.

Mike takes Supercar deep into the ocean to rescue scientists trapped in a bathyscaphe on the sea floor.

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.

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 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.

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.

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.

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.