The Gerry Anderson Randomiser

The Alphans celebrate the arrival of the first child born on the Moon. The blessed event sours when the infant grows into a five-year-old child in minutes. Trying to accept him, the Alphans do not notice that little Jackie Crawford is much more than he seems. When hostile spaceships approach the base, Koenig realises, too late, that the aliens have an agent on Alpha.

Intro special guest: Anton Phillips.

MOID perfects the greatest disguise of all: the invisible man.

Intro guest: Ayshea Brough.

A club owner hires the Protectors to guard his niece, who is a witness in a murder trial.

Intro special guest: Ayshea Brough.

Captain Black reveals that, using Mysteron technology, that he now has control over all the digital systems on Earth and can destroy them at will. The Mysterons then speak through the rogue agent, demanding mankind's surrender in twenty-four hours or else they will trigger a world-wide technological failure that will destroy everyone on the planet. With humanity's surrender as the price, how can Spectrum carry on the fight with weapons that do not work?

Masterspy steals the plans for Supercar, but he doesn't keep them for long.

Intro special guest: Roland Moore.

Following the death of an officer from the 79th Precinct in Demeter's most fashionable nightclub, Brogan and Haldane are teamed with Lt. Verro Walker in a search for a serial killer. Walker is a loose cannon, but may hold the key to the killings when Jane discovers similarities with a string of mysterious homicides that took place nearly a hundred years before.

Intro special guest: Nigel Planer.

Randomiser special guest: Richard James

Torchy uses his magic light to find King Dithers and Polliken. They fit the Man in the Moon a pair of sunglasses so he can sleep through the day, and prepare to head to earth. Mr Bumbledrop tells Torchy that Bossy Boots has become a good girl, so the toy-boy decides to reward her with a party in Topsy Turvy Land. However, the girl has remained in bed for a week, pretending to be sick to evade her schoolwork. When Torchy learns of this, he reprimands the wretch and leaves her behind as he and Mr Bumbledrop head for the stars.

Intro special guest: Nigel Planer.

It-star masterminds its first attack, attempting to destroy the Terrahawks with a bomb.

Intro special guest: Lee Sullivan

The Protectors are hired by the sister of a man who disappeared after being hired as a mercenary. They discover he was murdered on the orders of Quin, the leader of the organisation that hired him.

Intro guest: Lee Sullivan

An investigation of a flying saucer leads Zodiac to try to save a planet that has broken out of its orbit and is on a collision course with another planet.