Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon (Season 9)
The Missing Link (Episode 1)
Air date: 1972-01-03
Runtime: 60 min
Overview: In this episode of Horizon, you find out how feasible it is to build a 35 mile long tunnel between Britain and France.
Navajo - The Last Red Indians (Episode 2)
Air date: 1972-01-10
Runtime: 60 min
Overview: Horizon explores the American Navajo indian tribe of New Mexico, in the United States.
How Much Do You Smell? (Episode 3)
Air date: 1972-01-17
Runtime: 60 min
Overview: Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.
The Parasite of Paradise (Episode 4)
Air date: 1972-01-31
Runtime: 60 min
Overview: This story by Horizon reports on Malaria in the country of Gambia, in West Africa.
The Day it Rained Periwinkles (Episode 5)
Air date: 1972-02-07
Runtime: 60 min
Overview: Horizon investigates reports of strange phenomena and about what the scientific theory is about these phenomena.
Are You Doing This for Me Doctor, or Am I Doing It for You? (Episode 6)
Air date: 1972-02-14
Runtime: 60 min
Overview: Horizon explores if a doctor's treatment of the patient is always in the best interest of the patient.
How They Sold Doomsday (Episode 7)
Air date: 1972-02-21
Runtime: 60 min
Overview: In this episode, Horizon looks the the ecological movement, and the resistance against the movement in Britain, and the USA.
For Love or Money? (Episode 8)
Air date: 1972-02-28
Runtime: 60 min
Overview: In this report by Horizon, the effect of boring jobs on industrial relations is looked at, along with work and job satisfaction.
Whales, Dolphins and Men (Episode 9)
Air date: 1972-03-06
Runtime: 60 min
Overview: Horizon looks at the life of whales and dolphins, and how they interact with man.
What Is Race? (Episode 10)
Air date: 1972-03-13
Runtime: 60 min
Overview: Horizon investigates the various conceptions of "race" that have arisen since the 17th century.
The Man-Made Lakes in Africa (Episode 11)
Air date: 1972-03-20
Runtime: 60 min
Overview: Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.
Survival in the Sahara (Episode 12)
Air date: 1972-03-27
Runtime: 60 min
Overview: This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.
Mind Over Body (Episode 13)
Air date: 1972-04-10
Runtime: 60 min
Overview: This story by Horizon is about American research into techniques for controlling bodily functions with the mind.
Out of Volcanoes (Episode 14)
Air date: 1972-04-17
Runtime: 60 min
Overview: In this report, Horizon looks at the various aspects of volcanoes and explaining the views of some vulcanologists.
The Wizard Who Spat on the Floor (Episode 15)
Air date: 1972-05-01
Runtime: 60 min
Overview: Horizon presents a study of Thomas Alva Edison and his achievements as an inventor.
Rail Crash (Episode 16)
Air date: 1972-05-08
Runtime: 60 min
Overview: Horizon reviews the history of train accidents and the new safety precautions to prevent them.
Do You Dig National Parks? (Episode 17)
Air date: 1972-05-22
Runtime: 60 min
Overview: Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
Sorry I Opened My Mouth (Episode 18)
Air date: 1972-06-12
Runtime: 60 min
Overview: Horizon reports on modern research in the prevention of tooth decay.
The Way We Move (Episode 19)
Air date: 1972-07-03
Runtime: 60 min
Overview: How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.
The Life that Lives on Man (Episode 20)
Air date: 1972-07-10
Runtime: 60 min
Overview: This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.
Sex Can Be a Problem (Episode 21)
Air date: 1972-07-24
Runtime: 60 min
Overview: In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.
The Surgery of Violence (Episode 22)
Air date: 1972-07-31
Runtime: 60 min
Overview: Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.
Hospital, 1922 (Episode 23)
Air date: 1972-10-12
Runtime: 60 min
Overview: Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.
When Polar Bears Swam in the Thames (Episode 24)
Air date: 1972-10-19
Runtime: 60 min
Overview: This episode of Horizon looks the how the ice age physically shaped the British landscape.
The Making of the English Landscape (Episode 25)
Air date: 1972-10-26
Runtime: 60 min
Overview: This episode of Horizon illustrates the ideas of Prof. W.G. Hoskins on the development of the English landscape from Iron Age times to the present.
Shadows of Bliss (Episode 26)
Air date: 1972-11-02
Runtime: 60 min
Overview: Horizon reports that High Energy Physics shows a pattern of thought that challenges the very roots of commonplace belief.
The Billion-Dollar Marsh (Episode 27)
Air date: 1972-11-09
Runtime: 60 min
Overview: This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
Do You Sincerely Want a Long Life? (Episode 28)
Air date: 1972-11-16
Runtime: 60 min
Overview: Horizon investigates the research that is going into the ageing process to find out its causes and possible prevention.
The Making of a Natural History Film (Episode 29)
Air date: 1972-11-23
Runtime: 60 min
Overview: This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.
Fire (Episode 30)
Air date: 1972-11-30
Runtime: 60 min
Overview: Horizon documents fire prevention, and fire fighting.
Alaskan Pipe-Dream (Episode 31)
Air date: 1972-12-07
Runtime: 60 min
Overview: This episode of Horizon centers on the exploitation of oil in Alaska, and the effects of it on the Eskimoes and the local wildlife.
Their Life in Your Hands (Episode 32)
Air date: 1972-12-21
Runtime: 60 min
Overview: Horizon reports on people suffering from kidney diseases and the current forms of treatment.
Navigating Europe (Episode 33)
Air date: 1972-12-28
Runtime: 60 min
Overview: Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.
