A manned expedition led by Captain Black of Spectrum lands on Mars; investigating the planet surface in an exploratio...

The Mysterons threaten the life of the Director General of the United Asian Republic and Spectrum swings into action ...

The Mysterons threaten to destroy London and a truck carrying an atomic device goes missing in the city. The only clu...

The Mysterons make their first mistake when Captain Black, revealed to have become a Mysteron agent, breaks into the ...

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 s...

Following the latest Mysteron threat, Scarlet is dispatched to supervise security at the International Air Conference...

The Mysterons' cryptic threat to ’kill time’ has the Spectrum personnel stumped until Magenta realises that their tar...

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

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 Secur...

When the Lunar Controller announces the Moon's independence from Earth in the war of nerves with the Mysterons, Scarl...

When the Mysterons threaten the life of the Supreme Commander of Earth Forces, Scarlet and Blue are assigned to escor...

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 ...

A major is killed, resurrected and controlled by the Mysterons with the dastardly aim of launching a Variable Geometr...

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 t...

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

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

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

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

The Mysterons steal a deadly virus and threaten to drop it into the Los Angeles water supply.

Tritonium alloy mining operations at Hotspot Tower in the North Pole are threatened when a Mysteron agent cuts the po...

A lorry carrying an atomic core reactor to the new Manicougan power complex falls into the hands of the Mysterons who...

When the Mysterons threaten to destroy President Roberts within twelve hours, Scarlet is assigned as bodyguard to the...

The Mysterons threaten to destroy the Triumvirate of Europe, the three most powerful men on Earth after the World Pre...

The Mysterons threaten to destroy the de-salination plant at Najama in the Andes, so Scarlet and Blue are sent to obs...

The finger of blame points at Captain Scarlet after a series of hovercraft accidents.

When the Mysterons threaten to destroy the World Navy Complex at Atlantica, Blue and Ochre fly a V17 Air Force bomber...

After the Mysterons threaten Spectrum's Cloudbase headquarters, a large fast-moving trace appears on the radar.

A drugged Captain Blue awakes to find himself under interrogation on Cloudbase. He has apparently been missing for th...