- 1 The Book of Man
Horizon looks again at the Human Genome Project which aims to decipher or sequence all genes.
Air Date: 1989-01-09
- 2 The Poison that Waits
Horizon reports on the abnormally high incidence of and the early onset of diseases such as senile dementia and Parkinson's disease on the island of Guam in the Pacific. Scientists have now linked the diseases to a poison in the native cycad fruit.
Air Date: 1989-01-16
- 3 Perils of the Deep
In this episode, Horizon presents evidence that even diving in relatively shallow waters can cause serious long term damage to the brain and spinal cord.
Air Date: 1989-01-23
- 4 Smart Weapons
This documentary by Horizon demonstrates how smart Weapons use computers to destroy targets, that until now, were only able to be threatened by nuclear weapons.
Air Date: 1989-01-30
- 5 Wasting the Alps
Horizon looks at the damaging effects of pollution and tourism on the Swiss Alps in Europe.
Air Date: 1989-02-06
- 6 In the Last Resort
Horizon answers the question: What are the alternatives for the elderly in Britain who can't live at home, or in a rest home or nursing home, or part of a sheltered accommodation?
Air Date: 1989-02-13
- 7 Gaze in Wonder
Horizon brings you an interview with Prof. Eric Laithwaite who presents an engineer's personal view of nature and how new inventions already exist in nature.
Air Date: 1989-02-20
- 8 In My Lifetime?
In this episode, Horizon presents an investigation into the state of medical research in neurological disorders and the issues with its funding in Britain.
Air Date: 1989-02-27
- 9 Concerto
This documentary by Horizon investigates new technology applied to music.
Air Date: 1989-03-06
- 10 Black Schizophrenia
Horizon covers the story of the Nottingham psychiatrists who study the human race to see who is mostly likely to develop schizophrenia.
Air Date: 1989-03-13
- 11 Trial in the Jungle
This Horizon report covers the Tasaday, a remote Philippine tribe apparently living in the stone age, who are now seen as a hoax. How did they do it?
Air Date: 1989-03-20
- 12 Who Will Make Me Better?
Horizon explores three types of alternative medicine; homoeopathy, acupuncture, and diagnosing food allergies by testing your toes.
Air Date: 1989-04-03
- 13 A Wonderful Life
Horizon presents a biography of the philosopher Ludwig Wittgenstein who lived from 1889 to 1951.
Air Date: 1989-04-17
- 14 Why Buildings Make You Sick
This is a Horizon documentary about an investigation into the so-called "sick building syndrome" where occupants contract illnesses because of the environment within the building.
Air Date: 1989-04-24
- 15 Jubilee
How valid have been Horizon's criticisms of scientific orthodoxy and to what effect have the programs had?
Air Date: 1989-05-08
- 16 Crash
Horizon investigates how many of the tragedies on our roads in Britain could be avoided by the introduction of technical and legislative changes.
Air Date: 1989-05-15
- 17 The New Sixth Sense
Horizon follows J. Hooper, a diabetic, as she explores various aspects of biosensor technology.
Air Date: 1989-05-22
- 18 Clive Sinclair: The Anatomy of an Inventor
Horizon presents a profile of noted inventor Clive Sinclair with his family and colleagues reminiscing and analysing his successes and failures.
Air Date: 1989-06-12
- 19 Newpin: A Lifetime
In this story, Horizon explores how the destructive patterns of child abuse and depression can be broken by concentrating on the mothers of young children.
Air Date: 1989-06-19
- 20 Time of Darkness
In this Horizon episode, we look at the effects on the climate from volcanic eruptions.
Air Date: 1989-06-26