Jan 7, 1985 · 1h
Documentary about colour perception based on the theories of Dr. Edwin Land, which oppose the long-held three-receptor theory of colour vision


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Jan 7, 1985 · 1h
Documentary about colour perception based on the theories of Dr. Edwin Land, which oppose the long-held three-receptor theory of colour vision
Jan 14, 1985 · 1h
Horizon takes a look at consultant psychiatrists.
Jan 21, 1985 · 1h
Horizon looks at the way modern archaeologists extract information from a site dig.
Jan 28, 1985 · 1h
This Horizon episode is about a hospital in the African country of Kenya where the medical staff tells of a new approach to health care among the Pokot tribe.
Feb 4, 1985 · 1h
In this episode, Horizon explores the characteristics of left-handed people.
Feb 11, 1985 · 1h
Horizon examines new military technology which will come to dominate the battlefields of the future.
Feb 25, 1985 · 1h
This episode of Horizon is about the controversial policy in African nation of Zimbabwe of encouraging villagers to allow wild animals back onto their land.
Mar 4, 1985 · 1h
This documentary by Horizon attempts to explain the advances in physics in the search for the ultimate equation that explains the meaning of life, the universe, and everything else in existence.
Mar 11, 1985 · 1h
Horizon brings you a report by Robert Symes who offers ten golden guidelines on how to be a successful inventor.
Mar 18, 1985 · 1h
This is a Horizon follow-up report on the careers of seven British teenagers studying Science 'O' levels back in 1978.
Mar 25, 1985 · 1h
This episode of Horizon looks at how the world's best special effects technicians create some of Hollywood's most spectacular film scenes.
Apr 1, 1985 · 1h
Horizon investigates how food allergy has developed from the 1950's to the present.
Apr 15, 1985 · 1h
Horizon examines a hypothesis that life itself manipulates the planet to enhance it's own survival.
Apr 22, 1985 · 1h
This Horizon documentary examines the Infra-Red Astronomical Satellite (IRAS) which has detected evidence of planetary systems around distant stars.
Apr 29, 1985 · 1h
Horizon reports on the current medical treatment of Malaria and Leukemia.
May 13, 1985 · 1h
Eighty per cent of all crashes are caused by 'human error'. Finding out what that means in terms of human behaviour has been called the last great frontier in aviation safety.
Quick answers about this season's release timeline and episode lineup.
Horizon Season 22 premiered on January 7, 1985.
Horizon Season 22 has 16 episodes.
The season opens with Season 22 Episode 1, "Colourful Notions". It aired on January 7, 1985.
Go to Season 22 Episode 1