The Gerry Anderson Randomiser

After Captain Black inadvertently exposes himself to radiation, thus making himself detectable on long-range Geiger counters, Spectrum mobilises its forces to apprehend the Mysterons' primary agent.

Pedro and Fernando set a fire on the outskirts of town to lure Tex away. The bandits aim to rob the bank while Tex and the other townsfolk fight the fire.

Approaching an inhabited planet, the Alphans are suddenly pounced upon by warships. In an unprovoked attack, Moonbase Alpha is devastated by Earth-style Hawk fighters. With 128 dead and Alpha unable to sustain life, Koenig and Helena appeal to the aliens for mercy. The aliens proclaim the Earthmen to be an invading virus, with no right to exist.

In a remote diner in Phoenix, Arizona, Spectrum flight engineer Xander Story makes contact with two Mysteron agents. Story agrees to destroy Spectrum's Skybase in return for the aliens' promise that they will halt their war on mankind – he accepts a fusion bomb in a briefcase and also a large payment. Captain Scarlet gatecrashes the meeting but is shot and killed. Knowing that his body will regene...

When the  Ocean Pioneer  tanker inexplicably explodes, Brains investigates the cause. With some help from Lady Penelope, he discovers it to be a chemical reaction between the cargo of liquid alsterene and OD60, which is found in the sea. International Rescue set out to save the crew of the ill-fated  Ocean Pioneer II .

A film director hires the Protectors to investigate when copies of his latest film are stolen and a ransom is demanded.

Unwin and Matthew investigate what appears to be a case of sabotage when the AquaTank, a new military robot of the World Army, develops a mechanical fault. As NATO officials attend a demonstration of the AquaTank's capabilities, suspicion falls on Captain Mitchell when he instructs computer expert Professor Graham to program the tank to fire on the officials' bunker.

Fernando and Pedro try to get arrested so they can spend the night in jail. The pair wants to dig underneath the jailhouse and on into the bank to rob it.

A SHADO pilot believed dead suddenly turns up alive – much to a SHADO operative's suspicion.

When Surface Agent X-2-Zero frames a navy captain for a sabotaged torpedo test, it is up to Troy to clear the man's name.

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 t...

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...

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...

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 a...

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.