A flight carrying Scarlet, Blue and their ward Dr Conrad – a leading astrophysicist – is put in jeopardy by the Mysterons.

An oil rig inferno enables the Mysterons to gain control of an explosives expert for deadly and destructive purposes.

Following a special discovery, Spectrum makes contact with the Mysterons in order to negotiate peace.

A world Air Force Major is killed and reconstructed by the Mysterons in order to destroy the world capital.

A dangerous lunar mission turns deadly for Scarlet, Blue and Lieutenant Green.

Astronomers at K14 Observatory are monitoring signals from a hidden satellite that has made a successful landing on the Martian moon Phobos.

A major is killed, resurrected and controlled by the Mysterons with the dastardly aim of launching a Variable Geometry Rocket!

When the Mysterons threaten the life of the Supreme Commander of Earth Forces, Scarlet and Blue are assigned to escort him to SHEF HQ in New York to chair a…

Captain Scarlet goes undercover as a Fashion PR when models are endangered by the Mysterons.

In a plot to kill the spectrum Angels, the Mysterons get into a thrilling mid-air dogfight with Melody, Rhapsody and Harmony.

When the Lunar Controller announces the Moon’s independence from Earth in the war of nerves with the Mysterons, Scarlet, Blue and Green journey to Lunarville 7 to investigate.

Captain Scarlet resigns from Spectrum and deals arms to Captain Black! Can our hero really have joined the Mysterons?

As the Mysterons threaten to destroy the ‘Heart of New York’, Scarlet and Blue investigate the theft of Grade A Security documents from the Spectrum security vaults.

The Mysterons’ cryptic threat to ’kill time’ has the Spectrum personnel stumped until Magenta realises that their target is General Tiempo, the Commander of Western Region World Defence.

Following the latest Mysteron threat, Scarlet is dispatched to supervise security at the International Air Conference at Glen Garry Castle. Discovering a plot to gun down the delegates, he is…

The Mysteron Gun and the Mysteron detector – two new anti-Mysteron devices – are unveiled at a top secret location.

The Mysterons threaten to destroy key links in the Frost Line Outer Space Defence System.

The Mysterons threaten to kill Colonel White and after their initial attempt fails, White elects to leave Cloudbase so as not to place the other Spectrum agents in jeopardy.

The Mysterons make their first mistake when Captain Black, revealed to have become a Mysteron agent, breaks into the Culver Atomic Centre and is exposed to radioactivity that will enable…

The Mysterons threaten the life of the Director General of the United Asian Republic and Spectrum swings into action to protect him as he prepares to board his private plane…

A manned expedition led by Captain Black of Spectrum lands on Mars; investigating the planet surface in an exploration vehicle, the crew discover a futuristic alien city.

The Mysterons threaten to destroy London and a truck carrying an atomic device goes missing in the city. The only clue to its whereabouts is the truck driver, found unconscious…

Seth’s niece returns to Cabot Cove for her wedding only to have her groom die “”accidentally”” before the event.

In San Francisco, a radio station’s new manager is trying to change their image by firing every staff member who is past a certain age and playing music for teen-agers…

Jessica somehow gets tangled in a situation involving a deadly virus and an arms deal.

Jessica is the honorary commodore of the World’s Cup Race, featuring Kyle Kimball’s Buccaneer and Ned Larkin’s Free Spirit. There is much ill-will and Ned is injured, too much to…

Jessica is booked for a seminar in Australia when she gets word that she may have claim to an inheritance in the area–land used for sheep grazing. The natives are…

The scene is a guest lodge in the Grand Tetons. Two of the guests are hiding secrets. Who has the diamond?

Deputy Andy bought a house with numerous defects from the victim and emerges as the chief suspect.

The puppets are dancing to a different tune, much to the dismay of the young designer.

The victim of a childhood kidnapping sees more in the manuscript she is editing than coincidence would suggest.

A TV sitcom, Buds, turns out to be less friendly than the producer hoped.

A much disliked singer gets a jolt from an electric guitar during a rehearsal for a rock concert benefit in Cabot Cove.

The members of an up-and-coming Latin instrumental band get an offer they can’t refuse just when they are getting noticed by a more reputable company.

Motorcycle racing in Osaka, Japan, puts a man’s life in danger when he tries to wed a girl from a traditional Japanese family.

Jessica agrees to go to New York to bid on a manuscript purportedly by Sir Arthur Conan Doyle, and while there, she gets mixed up in the murder of a…

Jessica is called to testify before a grand jury after a victim’s last phone call was traced to her number.

What is the secret ingredient in the ice cream? Jessica means to find out and see that the donation for the literary foundation is paid as promised.

A spooky story set in an old Irish castle where legend has it that there is a ghost and a hidden treasure.

A movie set in Rome is the setting for a more than they planned while filming a J.B. Fletcher novel.