Quist's authority is questioned from all directions, and Ridge does some quiet investigations into hybrid science in Norwich. Air Date : 14th-Dec-1970  Read More

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. Air Date : 21st-Dec-1970  Read More

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. Air Date : 4th-Jan-1971  Read More

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. Air Date : 11th-Jan-1971  Read More

The Doomwatch team investigates the myth about the XYY chromosome after a schoolboy is expelled for possessing it. Air Date : 18th-Jan-1971  Read More

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. Air Date : 25th-Jan-1971  Read More

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? Air Date : 1st-Feb-1971  Read More

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. Air Date : 8th-Feb-1971  Read More

The death of a young man off the Scottish coast leads to the Doomwatch team investigating a cover up in the case of a sunken ship, and the discovery of a revolutionary life-changing science. Air Date : 15th-Feb-1971  Read More

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. Air Date : 22nd-Feb-1971  Read More

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. Air Date : 1st-Mar-1971  Read More

A powerful antidote formula has been stolen near a school full of gifted boys. Are they responsible, and is computer technology somehow to blame? Air Date : 15th-Mar-1971  Read More

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. Air Date : 22nd-Mar-1971  Read More