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Sep 29, 196728 min
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.

Oct 6, 196726 min
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 at London Airport.

Oct 13, 196726 min
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 in the street

Oct 20, 196726 min
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 Spectrum to track him with directional geiger counters.

Oct 27, 196726 min
The Mysterons threaten to destroy key links in the Frost Line Outer Space Defence System.

Nov 3, 196726 min
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.

Nov 10, 196726 min
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 captured and thrown in the castle dungeons...

Nov 17, 196726 min
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.

Nov 24, 196726 min
The Mysteron Gun and the Mysteron detector - two new anti-Mysteron devices - are unveiled at a top secret location.

Dec 1, 196726 min
Captain Scarlet resigns from Spectrum and deals arms to Captain Black! Can our hero really have joined the Mysterons?

Dec 8, 196726 min
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.

Dec 15, 196726 min
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.

Dec 22, 196726 min
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 briefing on the Unitron, an advanced unmanned tank.

Dec 29, 196726 min
Captain Scarlet goes undercover as a Fashion PR when models are endangered by the Mysterons.

Jan 5, 196826 min
In a plot to kill the spectrum Angels, the Mysterons get into a thrilling mid-air dogfight with Melody, Rhapsody and Harmony.

Jan 19, 196826 min
A major is killed, resurrected and controlled by the Mysterons with the dastardly aim of launching a Variable Geometry Rocket!

Jan 26, 196826 min
A dangerous lunar mission turns deadly for Scarlet, Blue and Lieutenant Green.

Feb 2, 196826 min
Astronomers at K14 Observatory are monitoring signals from a hidden satellite that has made a successful landing on the Martian moon Phobos.

Feb 9, 196826 min
Following a special discovery, Spectrum makes contact with the Mysterons in order to negotiate peace.

Feb 16, 196826 min
An oil rig inferno enables the Mysterons to gain control of an explosives expert for deadly and destructive purposes.

Feb 23, 196826 min
A world Air Force Major is killed and reconstructed by the Mysterons in order to destroy the world capital.

Mar 1, 196826 min
A flight carrying Scarlet, Blue and their ward Dr Conrad - a leading astrophysicist - is put in jeopardy by the Mysterons.

Mar 8, 196826 min
The Mysterons steal a deadly virus and threaten to drop it into the Los Angeles water supply.

Mar 12, 196826 min
Tritonium alloy mining operations at Hotspot Tower in the North Pole are threatened when a Mysteron agent cuts the power to vital heating elements.

Mar 26, 196826 min
A lorry carrying an atomic core reactor to the new Manicougan power complex falls into the hands of the Mysterons who intend to strike the Atlantic Seaboard of North America.

Apr 2, 196826 min
When the Mysterons threaten to destroy President Roberts within twelve hours, Scarlet is assigned as bodyguard to the sceptical President. But when 11 hours pass without incident, Scarlet begins to suspect that he is guarding the wrong target!

Apr 9, 196826 min
The Mysterons threaten to destroy the Triumvirate of Europe, the three most powerful men on Earth after the World President.

Apr 16, 196826 min
The Mysterons threaten to destroy the de-salination plant at Najama in the Andes, so Scarlet and Blue are sent to observe the plant from an Aztec temple that overlooks it.

Apr 23, 196826 min
The finger of blame points at Captain Scarlet after a series of hovercraft accidents.

Apr 30, 196826 min
When the Mysterons threaten to destroy the World Navy Complex at Atlantica, Blue and Ochre fly a V17 Air Force bomber to destroy a wreck that has been sighted drifting towards the base.

May 7, 196826 min
After the Mysterons threaten Spectrum's Cloudbase headquarters, a large fast-moving trace appears on the radar.

May 14, 196826 min
A drugged Captain Blue awakes to find himself under interrogation on Cloudbase. He has apparently been missing for three months and must now prove his identity to Intelligence agent Colgan by revealing Spectrum's top secret cypher codes.