Quist's authority is questioned from all directions, and Ridge does some quiet investigations into hybrid science in Norwich.

Ridge and Hardcastle are sent on what seems a simple enough assignment, but stumble onto a major government cover up in an abandoned English manor.

Doomwatch become involved with the inhabitants of a small, secluded island who have been forced to leave for the English mainland and are struggling to survive.

A deadly new strain of typhoid is sweeping through local schools. There is a treatment, though, and the team at Doomwatch endorse this in spite of its side effects.

The Doomwatch team investigates the myth about the XYY chromosome after a schoolboy is expelled for possessing it.

A computer oversees the wellbeing of patients at a local hospital. The Doomwatch team look into whether it is saving patients or if something more sinister is afoot.

After a long-haul flight Dr Quist's reputation is put seriously in doubt when he arrives drunk to a meeting with the Prime Minister. Is it a simple case of jet-lag, or sabotage?

The Doomwatch team investigate the mysterious outbreak of a deadly subtropical disease which somehow has cropped up on an isolated island off the coast of the UK.

The government wants direction for the possible construction of more high-rise apartment buildings. Fay Chantry is asked to live in one and supply a report based on her experiences.

An inquest is held into the death of a local girl from rabies. How was she infected? A local woman thinks she knows, and she doesn't believe dogs are involved.

A powerful antidote formula has been stolen near a school full of gifted boys. Are they responsible, and is computer technology somehow to blame?

A young boy dies while attempting to retrieve a ball from a high roof, but the cause of his death is not from falling. Doomwatch investigate.