The Gerry Anderson Randomiser – Details, episodes & analysis

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.

The Circle Z Ranch is under siege from Morg Fenton and Big Ben, but Tex discovers it is outside his area of jurisdiction and cannot help defend it.

SHADO officially goes into operation and encounters its first UFO. An alien pilot is captured and discovered to have transplanted human organs within him.

Clip show episode: Joe reaches his tenth birthday, and celebrates with his friends as they reminisce over his many adventures.

The Terrahawks struggle to defend against the aliens' strange powers, and find they may be forced to stop the attack at the cost of Ninestein's life.

Zelda attacks NASA's outpost on Mars and establishes her home, then mounts an attack on Earth, forcing the Terrahawks into battle.

Three men kidnap Colonel White's daughter, Victoria and threaten to harm her unless the Colonel uses a Spectrum Rhino and help them mount an attack on an armored express train en route to Paris so that they can steal its cargo of $1 billion in gold bullion. But it is all part of a Mysteron plot by Captain Black to incriminate the Colonel in the robbery and thus end his Spectrum career. Whilst Colonel White pretends to go through with the robbery, Captain's Scarlet and Blue must get Victoria back.

The Mysterons threaten to assassinate the commanders of Earth's armed forces.

The Contessa risks her life when a deceptive new client uses her to escape the police.