S8E1 - Wildlife - The Last Great Battle
In this episode, Horizon looks a the efforts of zoos to save animal species from extinction by breeding enough to ensure their survival in captivity
Jan. 4, 1971, midnight
S8E2 - Great Ormond Street
In this episode, Horizon looks at the renowned British hospital for children, Great Ormond Street, and the Institute of Child Health.
Jan. 18, 1971, midnight
S8E3 - A Bulldozer Through Heaven
Horizon explores the island of New Guinea and its cultural changes going on there.
Jan. 25, 1971, midnight
S8E4 - Rumors of War
This episode of Horizon looks at the growing arsenal of nuclear weapons over the last 25 years and the effects it has on the arms race.
Feb. 1, 1971, midnight
S8E5 - I'm Dependent - You're Addicted (I)
The first of a two-programme investigation in which Horizon and Man Alive have combined forces. This episode investigates the facts about drug abuse and experimental work undertaken in this area.
Feb. 15, 1971, midnight
S8E6 - Kuru - To Tremble with Fear
Kuru is a unique disease of the people of New Guinea. Horizon goes with Prof. E. J. Field to find out why.
Feb. 22, 1971, midnight
S8E7 - Due to a Lack of Interest, Tomorrow Has Been Canceled
Horizon interviews ecologists that claim that man is irrevocably destroying its habitat.
March 8, 1971, midnight
S8E8 - What Kind of Doctor?
Horizon investigates medical student training at the St. Thomas hospital in London, England.
March 15, 1971, midnight
S8E9 - A Nice Sort of Accident to Have
Horizon explores the causes, and looks for way to prevent car accidents
March 22, 1971, midnight
S8E10 - The Wood
This report by Horizon looks at the long term ecological study of the forest at Wytham Wood, Oxon, in England.
April 5, 1971, midnight
S8E11 - The Measure of Man
In 1971, Horizon reviews the life and work of Prof. Hans Eysnck, the most controversial psychologists of the time.
April 12, 1971, midnight
S8E12 - Three Score Years and Then?
This report by Horizon explores care for the aged, for both medical and welfare services in Britain.
April 26, 1971, midnight
S8E13 - Darwin's Bulldog
Horizon reports on the famous protagonist of "The Origin of Species," Thomas Henry Huxley.
May 3, 1971, midnight
S8E14 - The Secret
This episode of Horizon examines how cells organize to become complex organs, and bodies.
May 10, 1971, midnight
S8E15 - What Every Girl Should Know
At the moment, legal abortions in the UK are being performed at the rate of over 90,000 a year and it is considered that the number is likely to rise. But why are so many people not prepared to use contraceptives? Are the contraceptives themselves at fault or is it part of a deep-rooted attitude to sex? A drug is now being tested which makes it possible for a woman to procure her own abortion in the first few weeks of pregnancy.
May 17, 1971, midnight
S8E16 - Tastes of Foods to Come
Horizon reports on food technology now experimenting with meat substitutes.
May 24, 1971, midnight
S8E17 - Looking for a Happy Landing
Within 20 years vertical take-off airliners could be hovering over Hampstead and Dulwich before landing, one a minute, day and night, at a Thames-side V-port. Horizon looks at what could be one of the great environmental debates of the century to have, or not to have, aircraft flying in and out of city centres.
May 31, 1971, midnight
S8E18 - A Case of Depression
Horizon investigates how to treat depressive illneses.
June 7, 1971, midnight
S8E19 - The Total War Machine
This episode of Horizon reports on the development of the aircraft bomber throughout periods of war.
June 14, 1971, midnight
S8E20 - The Dinosaur Hunters
Horizon explores the field of palaeontology, the study of dinosaurs.
June 21, 1971, midnight
S8E21 - Your Country Needs You?
This episode of Horizon looks at Britain's civil defense program, and to see if it is adequate in the event of a nuclear war.
Sept. 27, 1971, midnight
S8E22 - Rheumatism
Horizon investigates rheumatism, and looks at why this disease is under-researched.
Oct. 4, 1971, midnight
S8E23 - If at First You Don't Succeed... You Don't Succeed
Can new born babies solve complex problems? Horizon works with psychologists to see how they measure this capacity.
Oct. 11, 1971, midnight
S8E24 - One Liverpool or Two?
Do city planners in Liverpool have unrealistic expectations? Horizon looks into the development and planning process of Liverpool, England.
Oct. 18, 1971, midnight
S8E25 - Rutherford / The Cavendish Today
This is a two part episode of Horizon. First, Horizon looks at the life of centenary Ernest Rutherford, followed by a report of the Cavendish Labratory in Cambridge, England.
Oct. 25, 1971, midnight
S8E26 - The Fierce People
Horizon explores a primitive tribe of Yanomamo Indians living in southern Venezula.
Nov. 1, 1971, midnight
S8E27 - The Men Who Painted Caves
This episode of Horizon looks in the ancient cave paintings found in France.
Nov. 15, 1971, midnight
8.0
S8E28 - The Crab Nebula
This episode of Horizon reports on how the Crab Nebula was discovered, and continuing observation of the space encounter.
Nov. 22, 1971, midnight
S8E29 - Can Venice Survive?
Horizon reports on the continuing problem of the city of Venice, Italy sinking into the sea.
Nov. 29, 1971, midnight
S8E30 - Willingly to School?
This report by Horizon is about Prof. Hean Piaget and her child center education theory.
Dec. 6, 1971, midnight
S8E31 - The Periscope War
Horizon presents the history of the submarines, from pre-World War I to today's nuclear powered submarines.
Dec. 20, 1971, midnight
S8E32 - Patently Absurd
This episode of Horizon investigates strange new inventions.
Dec. 27, 1971, midnight