TV series
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Availability
Checked Jul 22, 2026
Horizon premiered February 4, 1964. We don't have a confirmed streaming, rental or purchase option yet.
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Choose an episode, then use the watch options above for the show.
Episode 1
Sir Cyril Burt died in 1971, the most eminent psychologist of his age. Within two years the most bitter and disturbing scientific controversy since Piltdown Man saw Burt accused of lifelong faking and manipulation of phoney data. How and why was Burt allowed to get away with this?
Where to watch HorizonEpisode 2
Horizon looks at the research advances in physics and technology of microelectronics.
Where to watch HorizonEpisode 3
This episode of Horizon looks at the role of scientists in agriculture throughout the Third World countries.
Where to watch HorizonEpisode 4
Horizon examines the various ways of committing computer fraud and at the efforts to prevent it and preserve our privacy.
Where to watch HorizonEpisode 5
In this documentary, Horizon examines the work at an archaeological project in the Cusichaca Valley, Peru.
Where to watch HorizonEpisode 6
Horizon presents this report on parasites, their life styles, and the diseases they cause in Third World countries.
Where to watch HorizonEpisode 7
Horizon investigates the life for various civilizations along the river Waveney in east Angola.
Where to watch HorizonEpisode 8
Horizon presents a report on current research and trends in facial reconstructive surgery.
Where to watch HorizonEpisode 9
In this documentary, Horizon reconstructs a therapy session where a man imprisoned for incest meets his family for first time in two and one half years.
Where to watch HorizonEpisode 10
Horizon investigates the linguistic potential of non-human species.
Where to watch HorizonEpisode 11
In the documentary, Horizon reports on the life of slime moulds and how they provides clues to cell differentiation.
Where to watch HorizonEpisode 12
Horizon presents the first of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.
Where to watch HorizonEpisode 13
Horizon presents the second part of a two-part documentary about Kenneth Bianchi, the Los Angeles Hillside Strangler, who was convicted of the murder of 12 women even though his defence was that he had no memory of the crimes.
Where to watch HorizonEpisode 14
Horizon reports on new medical techniques to diagnose the inherited diseases; sickle cell anaemia and cystic fibrosis.
Where to watch HorizonEpisode 15
Horizon investigates the military bias of British scientific industries and the possible consequences if the bias continues.
Where to watch HorizonEpisode 16
Horizon explores the behavioural patterns of sheep, cows, chickens, and pigs under both natural and intensive farming conditions.
Where to watch HorizonEpisode 17
Horizon reports on the decline in the amount of gambling leading to a severe reductions in money to fund the scientific research in Britain.
Where to watch HorizonEpisode 18
Horizon documents the current medical research into finding new ways of repairing damage to the brain and the central nervous system.
Where to watch HorizonEpisode 19
Horizon examines the concept and implications of a global village in Third World countries.
Where to watch HorizonEpisode 20
In this documentary, Horizon spends a week with a victim of Parkinson's disease and how he has to use considerable muscular effort in order to cope with day-to-day life.
Where to watch HorizonEpisode 21
Horizon attempts to explain some of the theories proposed by pure mathematicians over the ages.
Where to watch HorizonEpisode 22
Horizon presents a chronological history of the development of the racing car during the 15 years prior to World War II.
Where to watch HorizonEpisode information updated Jul 25, 2026
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