E1 - The Mysterons

Aired: September 29, 1967

Spectrum officer Captain Black attacks an alien city on Mars, invoking the wrath of its ethereal inhabitants: The Mysterons. Their first act of vengeance is the attempted assassination of the World President. As part of their scheme, The Mysterons kill Captain Scarlet. They reconstruct him, now invincible and under their control but otherwise indistinguishable from the real Captain Scarlet. Will Spectrum detect the imposter in time? Will fate free the un-killable Scarlet from the Mysteron influence, making him a powerful asset for humanity in this "war of nerves"?

E2 - Winged Assassin

Aired: October 06, 1967

The Mysterons second target is the Director General of the United Asian Republic. Spectrum swings into action to protect him as he prepares to board his private plane at London Airport.

E3 - Big Ben Strikes Again

Aired: October 13, 1967

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

E4 - Manhunt

Aired: October 20, 1967

A manhunt begins for former Spectrum agent Captain Black after a failed break in at a nuclear power plant, where he is accidentally exposed to radiation and becomes detectable for 48 hours.

E5 - Avalanche

Aired: October 27, 1967

When the Mysterons threaten to destroy key links in the Frost Line Outer Space Defence System, Captain Scarlet and Lieutenant Green race to investigate the mysterious deaths of the personnel at Red Deer Base.

E6 - White as Snow

Aired: November 03, 1967

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.

E7 - The Trap

Aired: November 10, 1967

Following the latest Mysteron threat, Captain Scarlet is dispatched to supervise security at the International Air Conference at Glen Garry Castle in Scotland.

E8 - Operation Time

Aired: November 17, 1967

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

E9 - Spectrum Strikes Back

Aired: November 24, 1967

Spectrum and the World President attend a secret conference on an African game reserve to demonstrate two new anti-Mysteron gadgets, a Mysteron Detector and a Mysteron Gun but the aliens announce they intend to sabotage the event.

E10 - Special Assignment

Aired: December 01, 1967

The Mysterons threaten to obliterate the continent of North America, but Spectrum is left without its number one agent when Captain Scarlet is dismissed for gambling offenses.

E11 - The Heart of New York

Aired: December 08, 1967

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

E12 - Lunarville 7

Aired: December 15, 1967

When the Lunar Controller claims he can negotiate peace between the moon and the Mysterons, Captain Scarlet, Captain Blue and Lieutenant Green are sent to the moon to investigate.

E13 - Point 783

Aired: December 22, 1967

The Mysterons take control of an experimental super-tank in an attempt to assassinate the Supreme Commander of earths armed forces.

E14 - Model Spy

Aired: December 29, 1967

Destiny and Symphony Angels go undercover as models when the Mysterons target fashion designer Andre Verdain, who is also the secret controller of the European Area Intelligence Service.

E15 - Seek and Destroy

Aired: January 05, 1968

When the Mysterons threaten to kill one of the Angels, Captain Scarlet and Captain Blue are sent to Paris, where Destiny Angel is on holiday, to escort her back to the safety of Cloudbase.

E16 - Renegade Rocket

Aired: January 19, 1968

The Mysterons engineer the launch of a Variable Geometry Rocket from Base Concord and their agent, Major Reeves, escapes with the destruct mechanism and target information.

E17 - Crater 101

Aired: January 26, 1968

Captain Scarlet, Captain Blue and Lieutenant Green volunteer for a dangerous mission to remove the power source of the Mysteron complex inside Crater 101, on the far side of the Moon, before it is destroyed by a low yield atomic device.

E18 - Shadow of Fear

Aired: February 02, 1968

Captain Scarlet and Captain Blue are sent to observe an operation to obtain vital orbital reconnaissance photographs of Mars. But the project is put in danger when one of the astronomers is taken over by The Mysterons.

E19 - Dangerous Rendezvous

Aired: February 09, 1968

Using the Mysteron pulsator recovered from the complex in Crater 101, Dr Kurnitz has developed a transmission device with which Colonel White attempts to contact the Mysterons and sue for peace.

E20 - Fire at Rig 15

Aired: February 16, 1968

When the Mysterons threaten to immobilize the whole of Spectrum, Captain Scarlet and Captain Blue are sent to the Spectrum oil refinery at Bensheba to protect the fuel that powers all of Spectrums vehicles.

E21 - Treble Cross

Aired: February 23, 1968

Captain Black engineers the death of chief test pilot Major Gravener, who is retrometabolised as a Mysteron agent as part of the Mysterons' plan to destroy the World Capital, Futura City.

E22 - Flight 104

Aired: March 01, 1968

When the Mysterons threaten to sabotage a vital conference at Lake Toma in Switzerland, Scarlet and Blue are assigned to escort the world's leading astrophysicist, Dr. Conrad, to Geneva.

E23 - Place of Angels

Aired: March 08, 1968

Mysteron agent Judith Chapman, steals a phial of deadly K14 virus - enough to kill ten million people - from Biological Research Station with the intent of poisoning a unknown cities water supply.

E24 - Noose of Ice

Aired: March 12, 1968

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

E25 - Expo 2068

Aired: March 26, 1968

A truck carrying an atomic core reactor to the new Manicougan power complex falls into the hands of the Mysterons who intend to use it to strike the Atlantic Seaboard of North America.

E26 - The Launching

Aired: April 02, 1968

When the Mysterons threaten to destroy President Roberts within twelve hours, Captain Scarlet is assigned to guard the skeptical President of the United States.

E27 - Codename Europa

Aired: April 09, 1968

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

E28 - Inferno

Aired: April 16, 1968

Captain Scarlet and the rest of Spectrum are in a desperate race against time to defeat the Mysteron's latest threat, the total destruction of the massive desalination plant at Najama, high in the Andes Mountains.

E29 - Traitor

Aired: April 23, 1968

After a series of suspicious Spectrum hovercraft crashes, Captain Scarlet and Captain Blue are sent to the Australian Outback investigate if the Mysterons claims that their is a traitor in Spectrum is true.

E30 - Flight to Atlantica

Aired: April 30, 1968

Spectrum personnel inexplicably take leave of their senses, due to drinking some champagne drugged by the Mysterons, who have threaten to destroy the World Navy Complex at Atlantica.

E31 - Attack on Cloudbase

Aired: May 07, 1968

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

E32 - The Inquisition

Aired: May 14, 1968

Captain Blue disappears from a restaurant. He awakes to find it is 3 months later and Spectrum Security want to know where he has been, and if he is even the real Captain Blue.