By a trillion to one chance, the Paradox discovers Roger’s old Starfighter, the Firefly, adrift in space. Isambard goes aboard to effect repairs, but it is the inexperienced Sproggle who ends up in the cockpit of the Starfighter when Dr. Agon’s Mammoth Machine closes in on the Paradox!

Zelda dispatches Yung-star and a new monster, Lord Tempo, to find the location of Hawknest. While traveling back in time to avoid Spacehawk, they pick up King Richard III.

No longer under the Mysterons' control, but retaining their power of "retro-metabolism", Captain Scarlet joins Spectrum's operation to protect the aliens' next target – the Director General of the United Asian Republic.

The naughty children playing in Mr. Bumble-Drop's garden tie their toys to the kite strings. Suddenly, a strong wind comes along and blows all of the toys away, as well as Mr. Bumble-Drop's poodle, Pom-Pom, who tries to save them. The children blame Bumbledrop and vow never to return, so the lonely old man decides to make a mechanical boy to keep himself company. Four hours later, Torchy springs to life and uses the magic beam on his hat to locate the lost toys on a twinkling star. The next...

The Investigator, an omniscient being from another galaxy, has come to Earth to rid it of evil and corruption. To assist him, he has recruited two young Americans, John and Julie , whom he has miniaturised and given special powers. In a cave on Malta, the Investigator gives John and Julie their first assignment: they are to foil crooked entrepreneur Stavros Karanti's plan to steal a priceless Raphael painting from St John's Cathedral in Mdina.

The Protectors investigate a runaway and discover she is involved with an international drug smuggling operation.

Three weeks after losing contact with Elysium Base on Mars, a team consisting of Captains Scarlet and Blue, Destiny and Harmony Angels, and Doctor Gold are sent to find out what happened to the crew. On arrival, they realise it is a Mysteron trap and that they are under attack from an titanium armour-plated research robot named Remote Acquisition Technology (RAT) which carries lasers and a diamond-tipped saw. Under Mysteron control, the RAT has become the ultimate killing machine.

Joe tries to find out whether the crash of a prototype spaceplane was an accident or sabotage.

Koenig convinces Helena to doubt the credibility of the visitors and treat Maya the same way he was treated. Maya can confirm Koenig's perception of aliens and after treating nearly everyone, Koenig, Maya and Tony work to stop the aliens, whose real intent is to detonate nuclear fuel to provide their sustenance.

Koenig seems to go berserk while flying an Eagle; as he is in Medical Center unconscious, a Superswift appears, lands and its crew is revealed as a team of people from Earth come to take the Alphans home. When Koenig seems to recover after some wave therapy applied to his brain, he does not see the old friends and acquaintances everyone else sees, nor a Superswift; Koenig sees hideous telepathic aliens and an alien spacecraft.

Matic builds a time machine that whisks Zodiac, Venus and Commander Zero back to the Wild West of 1875, where Zodiac becomes a sheriff and Venus and Zero execute a bank robbery.

Mitch gets a girlfriend when engine trouble forces Supercar down in the jungle.

An actress who is the daughter of a Hungarian exile hires the Protectors to help arrange a secret funeral for her father so that he can be buried on home soil.

An undersea civilisation creates a weapon capable of obliterating the West Coast of America.

Threatening to destroy the "Place of the Angels", the Mysterons engineer the theft of a lethal virus from a research centre.

The passenger aircraft Skythrust, conceived by Brains using the alias Hiram K. Hackenbacker, falls into the hands of fashion criminals who hi-jack the plane to steal a new French design from the renowned François Lemaire.

Zelda unleashes MOID, Master of Infinite Disguise, who kidnaps Hiro and impersonates him.

Zodiac resorts to subterfuge to prove that an unscrupulous pair of space salvage contractors, the Briggs Brothers, are sabotaging robot supply freighters so that they can pick up the pieces.

Jane and Took investigate the theft of a tarn egg-sac from Demeter Memorial Hospital while Brogan and Haldane are assigned to the protection of underworld crime boss Vinny Artak, who is running for city council. When Artak is gunned down in front of them, Brogan and Haldane find themselves under investigation and learn that Vinny Artak just won't stay dead.

The mission to the new planet ends in disaster and the death of one of the astronauts, following which his colleague realises that the planet is a mirror image of Earth in every detail, with a parallel and duplicate timeline.

Jason Webb, head of the European Space Exploration Council sends two astronauts, Glenn Ross and John Kane, to explore a newly discovered planet similar to the Earth but located directly on the opposite side of the sun.

Missouri Mike arrives in town claiming to be able to sell things to people they didn't even know they wanted including selling safes $5 each with a free bottle of brandy. But the brandy is drugged and Mike is actually a criminal planning to rob the town blind with a master key to the safes.

A spy goes missing with crucial information. The Protectors are tasked with finding him—but is he still alive?

Injured during a rescue mission, Troy passes out and imagines that he is the lord of an undersea palace.

Captain Scarlet and Destiny Angel are at a Spectrum training Base in Castle Balmeath, Scotland. The base commander, Astrid Winters, is turned into a Mysteron, but tells Scarlet she only wants to help humanity end the war and that she was sent by represents of a faction of the Mysteron consciousness which believes the war with Earth is a mistake. Winters is willing to pass the secret of defeating the Mysterons to Colonel White alone, but all the forces that the Mysterons can bring to bear will...