January 3, 1972 9:00 pm
In this episode of Horizon, you find out how feasible it is to build a 35 mile long tunnel between Britain and France.
January 10, 1972 9:00 pm
Horizon explores the American Navajo indian tribe of New Mexico, in the United States.
January 17, 1972 9:00 pm
Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.
January 31, 1972 9:00 pm
This story by Horizon reports on Malaria in the country of Gambia, in West Africa.
February 7, 1972 9:00 pm
Horizon investigates reports of strange phenomena and about what the scientific theory is about these phenomena.
February 14, 1972 9:00 pm
Horizon explores if a doctor's treatment of the patient is always in the best interest of the patient.
February 21, 1972 9:00 pm
In this episode, Horizon looks the the ecological movement, and the resistance against the movement in Britain, and the USA.
February 28, 1972 9:00 pm
In this report by Horizon, the effect of boring jobs on industrial relations is looked at, along with work and job satisfaction.
March 6, 1972 9:00 pm
Horizon looks at the life of whales and dolphins, and how they interact with man.
March 13, 1972 9:00 pm
Horizon investigates the various conceptions of "race" that have arisen since the 17th century.
March 20, 1972 9:00 pm
Horizon investigates the use of hydroelectric power in Africa, at Lake Kariba, Lake Volta, and Lake Nasser.
March 27, 1972 9:00 pm
This episode of Horizon follows the expedition of two German naturalists exploring the Northwestern desert of the Sahara in Africa.
April 10, 1972 9:00 pm
This story by Horizon is about American research into techniques for controlling bodily functions with the mind.
April 17, 1972 9:00 pm
In this report, Horizon looks at the various aspects of volcanoes and explaining the views of some vulcanologists.
May 1, 1972 9:00 pm
Horizon presents a study of Thomas Alva Edison and his achievements as an inventor.
May 8, 1972 9:00 pm
Horizon reviews the history of train accidents and the new safety precautions to prevent them.
May 22, 1972 9:00 pm
Horizon investigates the threat to the Snowdonia National Park in Britain, from mining companies.
June 12, 1972 9:00 pm
Horizon reports on modern research in the prevention of tooth decay.
July 3, 1972 9:00 pm
How do muscles contract and how are they are controlled from the brain through nerve fibers are the subjects of this Horizon episode.
July 10, 1972 9:00 pm
This episode of Horizon explores bacteria and other creatures that live on our skin and in our hair.
July 24, 1972 9:00 pm
In this episode by Horizon, we take a look at sexual problems, particularly for impotence, frigidity, and premature ejaculation.
July 31, 1972 9:00 pm
Horizon explores the development and techniques of brain surgery from the 1950's to present-day in Britain and the USA.
October 12, 1972 9:00 pm
Horizon reconstructs a day in the life of the old Charing Cross Hospital in Britain just fifty years ago.
October 19, 1972 9:00 pm
This episode of Horizon looks the how the ice age physically shaped the British landscape.
October 26, 1972 9:00 pm
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.
November 2, 1972 9:00 pm
Horizon reports that High Energy Physics shows a pattern of thought that challenges the very roots of commonplace belief.
November 9, 1972 9:00 pm
This episode of Horizon is about the east coast marshes of America, called the "Wetlands" and the effects of urban development on the wildlife.
November 16, 1972 9:00 pm
Horizon investigates the research that is going into the ageing process to find out its causes and possible prevention.
November 23, 1972 9:00 pm
This epidsode of Horizon reports on how a group of zoologists at Oxford Scientific Films in England makes films.
November 30, 1972 9:00 pm
Horizon documents fire prevention, and fire fighting.
December 7, 1972 9:00 pm
This episode of Horizon centers on the exploitation of oil in Alaska, and the effects of it on the Eskimoes and the local wildlife.
December 21, 1972 9:00 pm
Horizon reports on people suffering from kidney diseases and the current forms of treatment.
December 28, 1972 9:00 pm
Horizon documents how in Europe, they are using water canals for industrial transport, as an alternative to roads.