Season 1

Earth is no more, destroyed by nuclear war; but itinerant handyman Bert Foster, wandering the canals of Mars, is possessed by a restlessness for a home which no longer exists. Perhaps the isolated outpost on Venus retains something which could satisfy this hunger; or has the madness which shattered a world merely settled in a new location?

On Jupiter's moon Ganymede, an alien life-form has taken over the body of a human astronaut, creating an almost perfect copy. But perfect enough to escape discovery on the long return trip to Earth? Can the deadly counterfeit be detected and stopped before its hunger for new life can endanger an entire planet?

A young man, known as 'Boy', is born with no fingernails and with mental powers that enable him to control others. He falls for a young actress, initially repulsed, whose agent-boyfriend encourages the relationship because he thinks Boy's powers can be used to make a lot of money via TV commercials. But he is being hunted by a mysterious surveillance team who have moved into the next-door flat in the tower block where he lives...

Time travel may still be impossible, but the Chronoscope, sensing the nearly imponderable tracks of ancient photons, allows a glimpse into any event in Earth's distant past. Historian Arnold Potterley is rebuffed when he petitions for use of the Chronoscope to study ancient Carthage. So he commissions the building of a private time-viewing machine, with unexpected results.

Imagine a future where you serve your prison sentence before you commit your crime, in the various hells of savage new planets just being colonised. If you survive, like Nick Crandall and Otto Henck, you can return home with carte blanche to commit murder...

Henry Wilkes cultivates rare tropical plants as a hobby; with an attention to detail which is, perhaps, closer to an obsession. The length to which he goes to propagate and nurture new hybrids alarms his wife. Is there more going on in the greenhouse than could safely be exhibited at the next Battersea Flower Show?

An expedition sets out to discover what has happened to a lost colony on a distant planet. Amongst the scientists is a strange, intense teenager called Mark Annuncio, raised to be a kind of human computer, able to make connections between different specialisms. Disliked by the crew, Mark nevertheless may be the only person capable of saving the ship when they land and scientists begin dying mysteriously.

Sarah and David Kirsten are tourists from the 21st century who take a forbidden holiday in 1938 Mexico. But enforcers from the future, trying to keep the time-stream free from pollution and paradox, are on their trail. Can they evade their pursuers without betraying their origins?

Roger Andover will inherit a fortune if he marries. But he is a solitary man with no ambition: human relationships mystify and dismay him. But to present a life-like female android as your wife: surely that will satisfy everyone? Andover finds more than he bargained for when his robot bride challenges his preconceptions about humanity.

Dr Max Harrow is awakened from a re-current nightmare in which he is pursued by a barbaric accusing figures, to find collapsed on his doorstep, The tramp is suffering from a genetic radiation disorder that should killed him in infancy as it did Harrow's baby son. The ma is the living image of Harrow's nightmare figures, Clutched in his hand is a human finger bone and he speaks a strange, unknown tongue, Why did he collapse outside Harrow's house? What is his motive for tracing him?.

Interstellar travel at sub-light speeds: the enormous distances, isolation from human culture and the aching loneliness of space are enough to drive the strongest personality insane. Better to block all memories of human contact and to program the 12-strong crew to accept only the reality they can see and touch within their spacecraft. But a child born on "the Station" becomes insistent on learning the truth about 'Outside'.

The Future is bright for most of society: robot labour and free energy make the creation of goods easy and automatic. But the disadvantaged of this Golden Age are those who have to stem the inexorable tide of robot-manufactured goods; they are continually supplied with more things than they can possibly consume. Is there any way for a 'poor' man to get off this treadmill of consumption?