Pilot Bill Gibson and his younger brother Jimmy, along with their pet chimpanzee, Mitch, find themselves stranded at sea following the crash of their aircraft, Falcon 25. With Navy rescue out of the question due to heavy fog, the opportunity arises for Mike Mercury to give Supercar a test run.

A documentary/extended advert for the Blue Cars travel agency, produced by AP Films. Nicholas Parsons boards a luxury tour bus for a trip across Europe.

Torchy decides to ride his bicycle instead of playing with Squish or taking out Pom-Pom's curlers. Soon, he accidentally crashes into Pilliwig the clown, who insists that he cannot ride his bike again until he gets a bell.

An alien ship lands seeking aid, but when its commander emerges and sees Maya, she stuns Maya, putting her in stasis. The ship bears Dorzak, a Psychon refugee who behaved criminally on the commander's planet. Dorzak beguiles Maya about his intent, using extremely well-developed psychic abilities to control others' thoughts.

Harry investigates a drug-smuggling operation based in Denmark and becomes a target when the gang discover his involvement.

Intro special guest: Maria Teresa Creasey

The XL5 crew are imprisoned on an uncharted world by two Domeheads, who intend to wipe their memories and keep them there forever. It is up to Robert the Robot to rescue them.

Intro special guest: Maria Teresa Creasey

Joe is brained up with the skills of an expert explorer to save three miners endangered by their own explosives test.

Intro special guest: Rodney Matthews

Zelda lures Ninestein with the captured two-man crew of a commercial space transporter. When the Terrahawks electronically isolate themselves from after rescuing the men, Kate has to inform Ninestein that the mission to get him back is ahead of schedule.

Intro special guest: Rodney Matthews

Three disused freighters mysteriously disappear shortly before they are due to self-destruct.

Intro special guest: James Swallow

A lush Earth-type planet holds the promise of a new home for the people of Moonbase Alpha. When the reconnaissance Eagle returns, it carries an unexpected passenger: Helena's husband, who died five years ago. The mysterious Lee Russell tells the Alphans that death awaits them on the new planet. The Alphans ignore his warning and unknowingly descend into a world of antimatter.

Intro special guest: Paul Shipper