A blackmailed SHADO operative opens the door for a possible alien attack on Moonbase.

Following a recommendation in a brochure, the Paradox crew decide to take a holiday on the planet Brightonia on Sea. But once there, they are captured by Short Fred Ledd who chains them up and steals the Paradox. Without water, their only hope of survival rests with Sir Squeakalot and Isambard’s latest invention, a remote control for the Paradox.

Mike and Dr. Beaker try to find a forger's plates - if an art dealer and a criminal don't find the plates first.

Yung-Star runs away, but he is unknowingly carrying a 'bug' in the form of a powder inside him.

A wealthy man is concerned to discover his teenage daughter is involved with an obscure religious sect. Harry goes undercover to find out what goes on inside the community.

Jonathan Zero's unauthorised midnight exploration of XL5 turns into a terrifying adventure when the ship launches and catches fire.

The resident toys are no longer amused with Pilliwig's jokes, which depresses the clown. Torchy and Flopsy decide to picnic on an island, where they discover Ena the hyena. They bring her back to Frutown, where Pilliwig is delighted to meet someone who will always laugh at his antics.

Pteronarcys Eternicum, a rare beetle capable of cell regeneration, is stolen from Dexkor Laboratories. Brogan and Haldane are assigned to the case and suspect that the theft may be an inside job. But Brogan is preoccupied with nailing drugs dealer Amory Wolf whom he believes is responsible for the death of Tommy Murphy, his oldest friend. Meanwhile, Jane and Took have a run-in with local hero Thunder Cole.

Joe attempts to thwart Mario Coletti, a ruthless arms runner who sells weapons to the highest bidders.

While investigating the destruction of an oil platform with Troy and Phones, Atlanta is captured by undersea warriors.