Lieutenant Ninety has a nightmare in which he is promoted to general, but his erratic command wreaks havoc. A cascading series of disasters reaches its spectacular climax when Fireball XL5 crashes into Space City.

A side-step into a non-Anderson production, the Roberta Leigh-produced sci-fi puppet pilot film Paul Starr - featuring the voice of Ed Bishop! Agent Paul Starr and his partner Lightning of the Space Bureau of Investigation (SBI) travel to Mars where five atomic power stations have been destroyed by fire. Starr and Lightning work as security guards to try to uncover the cause.

During a close encounter with Dr. Agon’s Mammoth Machine, Sproggle is accidentally thrown from the Paradox and falls into a strange blue cloud. He is "rescued" by Dr. Agon, but once aboard the Mammoth Machine, both are oddly effected by the cloud and swap personalities: Dr. Agon becomes the frightened orphan child while Sproggle turns into Dr. Agon.

Dr. Agon traps the crew of the Paradox in an asteroid field and tragedy strikes when Captain Thrice is killed in Agon’s first attack. With the Paradox on the verge of destruction, Lyca takes a desperate gamble and activates Isambard's new experimental time machine.

To win his astronaut's wings Lt. Ninety must complete a solo orbit of the moon. But disaster strikes when his rocket catches fire, and he is feared lost... or is he?

The Mysterons threaten to destroy an irrigation complex in South America.

The Protectors investigate an insurance fraud involving an old friend of Harry's who, having previously staged his own death, is killed for real.

A strange space cloud hides an alien invasion fleet with a plan to conquer the Earth - starting with Space City!

The Stingray crew brave the perils of a newly discovered underground sea.

An alien crystal causes Lieutenant Andy Conroy, Straker and other SHADO operatives to hallucinate.