Jan 6, 1986 · 1h
Horizon presents a documentary about how white racists and black victims of racism volunteered to spend time in an isolated house living and talking about their prejudices.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Jan 6, 1986 · 1h
Horizon presents a documentary about how white racists and black victims of racism volunteered to spend time in an isolated house living and talking about their prejudices.
Jan 13, 1986 · 1h
This Horizon episode is about the discovery of a molecular key which may literally unlock the mystery of life for all creatures.
Jan 20, 1986 · 1h
Horizon presents a documentary on scientists who take themselves to Antarctica in 1980 to act as physical and mental guinea pigs.
Jan 27, 1986 · 1h
Horizon explores the myth about the discovery of the antibiotic penicillin.
Feb 3, 1986 · 1h
In this episode, Horizon explores the question of when antibiotics were first developed it seemed infectious disease might be eliminated, so what has gone wrong?
Feb 17, 1986 · 1h
Horizon investigates the truths of science and it's theories.
Feb 24, 1986 · 1h
Horizon explores at the latest discoveries about just where modern man came from.
Mar 3, 1986 · 1h
This episode of Horizon documents leprosy in the USA and India with a focus on medical developments for it's cure and control.
Mar 10, 1986 · 1h
Horizon investigates the remarkable technological transformation of France over the last 25 years.
Mar 17, 1986 · 1h
Will the new strategies and weapons introduced because of the Falklands war be a match for the next generation of weapons? Horizon presents this documentary to answer that question.
Mar 24, 1986 · 1h
Horizon looks at the virus that causes AIDS and the research into vaccines and drugs being developed to counteract the devastating disease of the immune system.
Apr 7, 1986 · 1h
In this documentary, Horizon reports on how doctors in America found that addicts using designer drugs developed Parkinson's Disease-like symptoms.
Apr 14, 1986 · 1h
In the interview by Horizon, Richard Dawkins discusses selfishness and cooperation, arguing that evolution often favours co-operative behaviour, and focusing especially on the tit for tat strategy of the prisoner's dilemma game.
Apr 21, 1986 · 1h
This is an interesting Horizon presentation on decoys that look and smell like cows to the tsetse fly who carry a disease fatal to farm animals.
Apr 28, 1986 · 1h
Horizon researches how we acquire mathematical abilities in the first place.
May 12, 1986 · 1h
This report by Horizon takes a look at the instinctive side of intelligence in animals that shows us that we owe more to instinct than we may care to think.
May 19, 1986 · 1h
Horizon presents a simple, but effective, cure for diarrea in young children; sugar and salt.
May 26, 1986 · 1h
In this episode, Horizon brings you Voyager's encounter with Uranus and the mysteries that are being relayed back to the scientists.
Jun 9, 1986 · 1h
Horizon presents an interview with Prof. C. Renfrew as he questions the accepted wisdom about the origins of Stonehenge in England.
Jun 16, 1986 · 1h
This is the first part of a two-part series on battered children.
Jun 23, 1986 · 1h
This is the second part of a two-part series on battered children.
Jun 30, 1986 · 1h
In a unique project, Horizon follows a group of medical students into the next century.
Quick answers about this season's release timeline and episode lineup.
Horizon Season 23 premiered on January 6, 1986.
Horizon Season 23 has 22 episodes.
The season opens with Season 23 Episode 1, "Are You a Racist?". It aired on January 6, 1986.
Go to Season 23 Episode 1