The Gerry Anderson Randomiser

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.

Agent X-20 creates false underwater soundings in an attempt to mislead Phones and have him dismissed from duty.

Pedro and Fernando team up with Red Scalp to plot against Tex.

A criminal organisation steals classified plans. Working in conjunction with a British Secret Service agent, Lady Penelope must recover the material to save the world from total destruction.

British Intelligence use the Contessa as bait to capture an assassin who has targeted their agents, however there is a twist when the supposed assassin reveals himself.

According to legend, when the two suns eclipse on planet Bharron, once every thousand years, Lavender Castle can be seen in the desert. Captain Thrice and Walking Stick mount an expedition into the desert, but on the third day, the Captain loses Walking Stick when he falls into a gully. Alone in an endless desert, Thrice finds himself at the mercy of Dr. Agon.

The Alphans fall into the grasp of the despotic Mentor, an alien scientist trying to restore his ravaged world to its former glory. His biological computer requires the energy obtained from living brains to complete his task. When captured, Koenig is offered a choice: surrender the Alphans to a horrifying living death or face complete annihilation. Mentor's daughter Maya, who is a metamorph&n...

Colonel Foster is tried and sentenced to death after a security leak is traced to him.

Yung-Star devises a way to make the Cubes more powerful by combining them. Zelda forms a group of them into a gun and threatens to destroy a newly constructed dam. Meanwhile, Tiger finally loses patience with the Zeroids and orders Zero to give them a new, 'standardised voice', but regrets his decision when all the Zeroids speak with the Sergeant Major's voice.

Whilst out in the desert Tex Tucker finds and shelters an Indian boy and is rewarded with four magic feathers by the boy's grandfather. Two of the feathers make his dog (Dusty) and horse (Rocky) speak whilst the last two control Tex's two guns. Tex decides to create a town called Four Feather Falls and the townsfolk make him Sheriff.

Fireball XL5 intercepts a missile launched at Earth. Landing on Planet 46, Zodiac and Venus are captured by the villainous Subterrains – who promptly launch a second missile with Venus on board.

Agent X-2-Zero frees the former dictator El Hudat from the Marineville brig by replacing him with his twin brother.

Following the events of Lunarville 7, Scarlet, Blue and Green return to the Moon to destroy the Mysteron's newly completed base in the Humboldt Sea.

A wealthy widow's daughter is kidnapped and Harry is required to drop off the ransom money.

Chris attempts to broaden the remit of the Randomiser by reviewing an episode of a non-Gerry Anderson series made by someone who used to work for Gerry Anderson and who used this particular episode to pay tribute to his days working on Gerry Anderson shows. The experiment backfired horribly.

Whilst exploring a bizarre asteroid, Koenig is detained and replaced by a double which directs Alpha to direct most of its energy at the asteroid. Some of the crew react negatively at his double's dictatorial behaviour.

Pedro and Fernando plan to rid themselves of the sheriff, by switching his hat with the magic feathers for a normal one.

While the BIG RAT is out of action, Joe dreams of life as a sheriff in the Wild West.

The Protectors, attempting to guard an Italian senator in Rome, find a blackmailer who has got out of control.

Torchy's rocket arrives in Topsy Turvy Land, and he tries to convince Pom-Pom and the toys to return to Earth, but they decline. Flopsy, the ragdoll, complains about her lack of stuffing, so Torchy convinces Pom-Pom to donate some of her fur.

Kate is taken hostage by Anderburr Records employee "Stew" Dapples, who is under Zelda's control.