The Gerry Anderson Randomiser

The Alphans are visited by a bizarre spacecraft, whose request for supplies hides a deeper purpose. The ship, Gwent , is found to be sentient, the attempt of a vain alien genius to live forever. Powerful, unstable and craving companionship, Gwent intends for Koenig, Helena and Bergman to replace its aged, dying creator. With special guest Wendy Wason.

In the small town of Ragnarok in Alaska, which the Mysterons have destroyed and replicated, Scarlet and Blue are captured and forced to help mine for an ancient meteorite bearing a spore that can kill all life on Earth.

A pair of convicts break out of a Canadian jail and threaten to kill the country's prime minister unless they are given a generous ransom.

A little French girl escapes her tyrannical guardian in a crate of wine bound for Black Rock.

A scientist disappears with a deadly biological weapon. The first the Protectors know of this is when the KGB breaks into Harry's flat to tell them.

Lord and Lady Hazlewell, their associate Spiker and ex-convict Mullins meet at Hazlewell Manor in a conspiracy to print forged US dollar bills. The Hazlewells inherited one of two counterfeiting plates from their late father; when the second plate is revealed to be hidden at Greenacre Farm, the Hazlewells, Spiker and Mullins turn on each other in a race to claim the prize. Unwin and Matthew set out to beat them to it.

When their city on Mars is attacked by human astronauts under the command of Spectrum's Captain Black, the Mysterons vow to destroy all life on Earth. The aliens' first objective is the assassination of the World President.

The world's tallest tower catches fire following an explosion in the car park and International Rescue are called to rescue a family trapped in the basement, which they can accomplish only with an experimental cutting gas ("Oxyhydnite") that previously rendered Scott and Virgil Tracy unconscious during testing.

Named "Aquanaut of the Year", Troy sits before a live TV audience as a selection of his adventures are recalled as flashbacks. Intro special guest: Naomi Opalinska

Pete Collins takes us on another tour of unusual places and performers! Intro special guest: Naomi Opalinska

Tamura, a Samurai warrior from outer space, forces Zelda and Ninestein to meet on neutral ground to settle their dispute peacefully. Intro special guest: Lindsay Harris

Big Ben needs Tex's help after being falsely accused of stealing cattle. Intro special guest: Lindsay Harris

Zoonie's talent for mimicry gets the XL5 crew out of a tight spot when they investigate the disappearance of Fireball XL2 and find themselves menaced by a space monster. Intro special guest: Sarah Cronin

Harry must protect a South American diplomat from rivals who are trying to kill him. Intro special guest: Sarah Cronin

After civilian test pilot Paul Foster is caught in a UFO incident, he persistently strives to expose the truth. Intro special guest - Bob Ayres

Joe poses as the heir to a Middle Eastern throne as WIN tries to rescue the real prince from kidnappers allied with a jealous regent. Intro special guest: Sharon Mansfield

Supercar takes to the road to catch a thief. Intro special guest: Sharon Mansfield

The automated Earth space probe Voyager One is approaching the Moon. With the radioactive exhaust from its engine certain to extinguish all life on Moonbase, the Alphans try to gain control and shut down the drive. Help comes when the probe's designer is found living on Alpha under an assumed name. However, Voyager is being followed by alien ships seeking revenge. Intro special guest: Christien Anholt

The Mysterons launch a series of crippling attacks on the Frost Line Outer Space Defence System in Canada. Intro special guest: Jack Klaff.

Tex is called away and lends his magic guns to Little Jake, who soon finds himself way over his head. Intro special guest: Jack Klaff