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Horizon

Horizon

1964Returning Series61 Seasons1173 Episodes7.4TMDB
BBC Two

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Season 4 Episodes

Browse every episode and jump into details.

Episode 1: Sons of Cain

Jan 17, 1967 · 1h

Horizon probes into whether aggressiveness is our birthright and can society live without violence?

Episode 2: When Is a Body Dead? / How to Win Friends and Influence People

Jan 31, 1967 · 1h

Medical advances have made it possible for 'life' to be maintained in an unconscious patient who has irrevocable brain damage and who might also be dependent on artificial aids to circulation and respiration. Is it now meaningless to define 'death' as the cessation of a heart beat? Why do so many people have difficulty In communicating, or in simply getting-on with other people? Psychologists have now begun to analyse aspects of social behaviour in a way which they believe will lead to more pleasant and more effective human relationships.

Episode 5: Migraine

Mar 14, 1967 · 1h

Horizon looks at some research recently carried out into the migraine headache and the means to provide treatment for it.

Episode 6: How Safe Is Surgery?

Mar 28, 1967 · 1h

Horizon probes in the danger of germs and infection in the operating theater and the methods currently used to prevent contamination.

Episode 7: Sleep and Dreams

Apr 11, 1967 · 1h

Joel, a healthy young American, is reduced to a restless neurotic state after being deprived of his dreams for three nights. Mr Bates, an eighty-four-year-old ex-milk man, has never dreamed in his life, or so he says until he is woken by scientists in the middle of a dream trip to New York.

Episode 8: The Shape of War to Come

Apr 25, 1967 · 1h

Will the next major war be fought with biological and chemical weapons? What are the available weapons? What is the horror they can cause? Is there any moral justification for their use?

Episode 9: Memory

May 9, 1967 · 1h

Horizon explores the part of the human brain devoted to memory.

Episode 10: Masters of the Desert

May 23, 1967 · 1h

Horizon reports on the methods being used to irrigate the Negev Desert, making it fertile based on the methods of ancient civilizations.

Episode 11: Cancer - The Search for the Virus

Jun 6, 1967 · 1h

In this the first of two programmes dealing with cancer, Horizon looks at the intensive search now going on to discover whether a virus is one of the causes of cancer in humans and at the implications of this search in the treatment for such killer diseases as leukemia.

Episode 12: Cancer - The Smoker's Gamble

Jun 20, 1967 · 1h

Why is there doubt in so many people's minds about the relationship between lung cancer and smoking? Tonight's programme examines the latest scientific evidence in detail.

Episode 14: Hypnosis

Jul 18, 1967 · 1h

Horizon explores the misconceptions that people have about what hypnosis is and looks at the medical implications of what it can do.

Episode 15: The War of the Boffins

Sep 12, 1967 · 1h

During the human struggles between the British and German air forces ... another conflict was going on step by step, month by month. This was a secret war whose battles were lost or won unknown to the public: and only with difficulty is it comprehended even now by those outside the smalt high scientific circles concerned.

Episode 17: Aspects of Alcohol

Sep 26, 1967 · 1h

Horizon looks at a Scottish chemist's unusual application for whisky: a measure of radioactive carbon 14 used for determining how old an object is.

Episode 19: Will Art Last?

Oct 24, 1967 · 1h

In this episode, Horizon reports on new materials that are being used as art media by gaining inspiration from factory and industrial processes.

Episode 23: The World of Ted Serios

Dec 12, 1967 · 1h

Horizon looks into the life of Ted Serios who claims to have psychic powers and to be able to project images onto film using only his thoughts.

Episode 24: Professor in Toyland

Dec 24, 1967 · 1h

Prof. J. Sumner-Miller asks some questions for enquiring minds on walking, singing, swimming, and flying toys.

Season 4 FAQ

Quick answers about this season's release timeline and episode lineup.

When did Horizon Season 4 premiere?

Horizon Season 4 premiered on January 17, 1967.

How many episodes are in Horizon Season 4?

Horizon Season 4 has 23 episodes.

What is the first episode of Horizon Season 4?

The season opens with Season 4 Episode 1, "Sons of Cain". It aired on January 17, 1967.

Go to Season 4 Episode 1

Where to Watch

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