Aired: 1/3/1972
In this episode of Horizon, you find out how feasible it is to build a 35 mile long tunnel between Britain and France.
Aired: 1/10/1972
Horizon explores the American Navajo indian tribe of New Mexico, in the United States.
Aired: 1/17/1972
Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.
Aired: 1/31/1972
This story by Horizon reports on Malaria in the country of Gambia, in West Africa.
Aired: 2/7/1972
Horizon investigates reports of strange phenomena and about what the scientific theory is about these phenomena.
Aired: 2/14/1972
Horizon explores if a doctor's treatment of the patient is always in the best interest of the patient.
Aired: 2/21/1972
In this episode, Horizon looks the the ecological movement, and the resistance against the movement in Britain, and the USA.
Aired: 2/28/1972
In this report by Horizon, the effect of boring jobs on industrial relations is looked at, along with work and job satisfaction.
Aired: 3/6/1972
Horizon looks at the life of whales and dolphins, and how they interact with man.
Aired: 3/13/1972
Horizon investigates the various conceptions of "race" that have arisen since the 17th century.
Aired: 3/20/1972
Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.
Aired: 3/27/1972
This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.
Aired: 4/10/1972
This story by Horizon is about American research into techniques for controlling bodily functions with the mind.
Aired: 4/17/1972
In this report, Horizon looks at the various aspects of volcanoes and explaining the views of some vulcanologists.
Aired: 5/1/1972
Horizon presents a study of Thomas Alva Edison and his achievements as an inventor.
Aired: 5/8/1972
Horizon reviews the history of train accidents and the new safety precautions to prevent them.
Aired: 5/22/1972
Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
Aired: 6/12/1972
Horizon reports on modern research in the prevention of tooth decay.
Aired: 7/3/1972
How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.
Aired: 7/10/1972
This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.
Aired: 7/24/1972
In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.
Aired: 7/31/1972
Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.
Aired: 10/12/1972
Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.
Aired: 10/19/1972
This episode of Horizon looks the how the ice age physically shaped the British landscape.
Aired: 10/26/1972
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.
Aired: 11/2/1972
Horizon reports that High Energy Physics shows a pattern of thought that challenges the very roots of commonplace belief.
Aired: 11/9/1972
This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
Aired: 11/16/1972
Horizon investigates the research that is going into the ageing process to find out its causes and possible prevention.
Aired: 11/23/1972
This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.
Aired: 11/30/1972
Horizon documents fire prevention, and fire fighting.
Aired: 12/7/1972
This episode of Horizon centers on the exploitation of oil in Alaska, and the effects of it on the Eskimoes and the local wildlife.
Aired: 12/21/1972
Horizon reports on people suffering from kidney diseases and the current forms of treatment.
Aired: 12/28/1972
Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.