A new invention – the Crablogger (a nearly fully automated logging machine that converts wood into fuel) — threatens widespread devastation if it collides with an unfinished dam, after its drivers collapse due to food poisoning. Intro special guest; Prentis Hancock.
Zelda attacks Earth on Christmas Eve, convinced that the Terrahawks' guard will be down. However, Ninestein anticipates such a move, and all-out war erupts. Perhaps the Christmas spirit can even reach someone like Zelda....
The townspeople plan a party for Tex's birthday.
Troy is assigned to recover a giant pearl from an ocean cave, but the task is not as simple as it seems. Intro special guest: Sadie Miller
Masterspy sabotages a prototype atomic-powered diesel train on its journey from London to Brighton in England in a bid to assassinate a VIP passenger. Dr Beaker and the rest of the Supercar team have been invited to drive the train, but will they be able to stop the sabotaged engine before the vehicle crashes into a station at the end of the line?
King Dithers decides to brush his hair before his trip to Frutown, and he accidentally leaves his crown behind. After Daffy the Donkey pulls him into town, the king invites Torchy and Squish back to the palace for tea, but they soon discover the crown is not where he left it.
Communications problems at Moonbase are traced to a non-SHADO mining operation. Intro special guest: Craig Morris.
You've Never Seen This, Gerry Anderson's directorial debut, was a short-lived television series from 1955 focusing on people and places with strange or unusual stories to share. Intro special guest: Nicholas Young.
Joe must act as a bodyguard to a new, democratically elected president to prevent his assassination at the hands of the country's former dictator. Intro special guest: Nicholas Young.
Pedro and Fernando overhear a message about a gold shipment heading to Four Feather Falls. So the pair pose as sheriffs so they can steal all the gold for themselves unaware that Big Ben also wants to steal the gold too. Intro special guest: Mark Braxton.
While Lyca and Sproggle search for treasure on planet Scull, the Paradox comes under fire from Short Fred Ledd who destroys the ship and takes the crew prisoner aboard the Cutting Snark, guarded by the fearsome robot spider known as The Black Swat. It is now up to Lyca, Sproggle and Walking Stick to rescue their friends. Intro special guest; Ross Arrowsmith.
Attempting to outwit a band of space pirates who are plundering freighters, the XL5 crew are drawn into a complicated game of bluff and double bluff. Intro guest: John Lee.
Marineville is targeted by a series of missiles fired from a seemingly uninhabited island. Intro guest: John Lee.
The ransom is paid and the hostages released, but the Protectors and the police must work out how the woman was involved. Intro special guest: Genevieve Gaunt.
The daughter of a wealthy man is involved in a hostage situation at a ski resort, with skiers held for ransom. Intro special guest: Genevieve Gaunt.
Tex and Dusty go off in search of a gun runner selling to renegade Indians, led by Red Scalp. Intro special guest: Anton Phillips.
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 ...
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.
Agent X-20 plants a bomb on Stingray while Lieutenant Fisher is using the vessel for target practice. Intro special guest: Ellie Collins
Assuming the skills of a leading virologist, Joe tries to steal the antibody for a deadly virus before it can be used to attack the West.
The Mysterons target the oil refinery that supplies fuel for all of Spectrum's vehicles.
While investigating strange signals coming from Planet 46, Zodiac is poisoned by a robot bird equipped with deadly radium capsules. Venus saves his life, but the bird is waiting to strike again.
