Episode 1
Epidemic
1h
Horizon examines sources of infection that have, and could still, cause epidemics in Britain.
Where to watch Horizon
TV series
Horizon
1964TV-PG62 seasons7.4 / 10
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Availability
Not streaming in United States
Checked Jul 22, 2026
Horizon premiered February 4, 1964. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 10 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Worlds in Collision
1h
This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.
Where to watch HorizonEpisode 3
The Military Necessity
1h
Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.
Where to watch HorizonEpisode 4
The Curtain of Silence
1h
Horizon looks into the problem of deafness in Britain.
Where to watch HorizonEpisode 5
Crime Lab
1h
A jewel robbery, a hit-and-run, and the Case of the Skeleton in the Sand Dunes illustrate the work of forensic scientists and the police they assist. How do they discover the characteristics of an individual bullet as it enters a body? How are blood stains identified or microscopic flakes of paint? How do voiceprints and lie-detectors work? The crime labs of Britain and America have different priorities and different techniques. Each can learn from the other. They also have different success rates. Britain's is currently better. But how long can we hold out against a rapidly rising tide of drugs and violence? What can we learn from American experience?
Where to watch HorizonEpisode 6
When the Breeding Has to Stop
1h
How easy is it to get sterilized? Should there be abortion on demand? Do we need a free contraceptive service? Our average family size is 2.5. To avoid a social and population crisis it needs to be 2.1. Aberdeen, one of the few cities to have a fully comprehensive family planning service, has already successfully cut its birth rate. The Government plan to withdraw this kind of free service. But, in the light of Aberdeen's success, should the Government be made to reconsider?
Where to watch HorizonEpisode 7
Science Is Dead, Long Live Science
1h
In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.
Where to watch HorizonEpisode 8
...And Where Will the Children Play?
1h
Horizon explores how to make the future livable and prevent the effects of urban sprawl.
Where to watch HorizonEpisode 9
Acupuncture: A Chinese Puzzle
1h
Horizon explains acupuncture theories and examines its validity in modern medicine.
Where to watch HorizonEpisode 10
What Time Is Your Body?
1h
Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
Where to watch HorizonEpisode 11
Survival of the Weakest
1h
In this episode, Horizon investigates the chances of survival and chances of a normal life for babies who are born underweight.
Where to watch HorizonEpisode 12
Red Sea Coral and the Crown of Thorns
1h
This Horizon documentary shows the work of the Cambridge Coral Starfish Research Group off of Port Sudan in the Red Sea.
Where to watch HorizonEpisode 13
Lumbered... with Back-Ache!
1h
In this report, Horizon studies the problem of backache and investigates some remarkable new spine research.
Where to watch HorizonEpisode 14
Airport
1h
Horizon covers Heathrow Airport in England and in particular, the work which is being done to make it safe.
Where to watch HorizonEpisode 15
Do You Remember the Memory Man?
1h
Horizon looks at the phenomena of memory and some recent discoveries about it made by scientists.
Where to watch HorizonEpisode 16
What a Waste!
1h
Horizon investigates the various ways of dealing with the growing problem of garbage.
Where to watch HorizonEpisode 17
The Laws of the Land
1h
In the episode, Horizon investigates modern intensive farming methods.
Where to watch HorizonEpisode 18
Do We Really Need the Railways?
1h
Horizon takes a realistic look at the new ideas and technology threatening Britain's railway system.
Where to watch HorizonEpisode 19
The Telly of Tomorrow?
1h
In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.
Episode credits
Directed by Brian Gibson
Episode 20
How Does It Hurt?
1h
In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.
Where to watch HorizonEpisode 21
A Scientist Looks at Religion
1h
This report by Horizon examines the work of Sir Alister Hardy who has set up a research unit to examine religious experience.
Where to watch HorizonEpisode 22
In Search of Konrad Lorenz
1h
Horizon presents a portrait of Konrad Lorenz and a review of his career and personal interests.
Where to watch HorizonEpisode 23
Stretch Up Tall
1h
This episode of Horizon takes a look at the medical and educational treatment of spastics in Britain.
Where to watch HorizonEpisode 24
Gilding the Lily
1h
Horizon presents a documentary on the developments in botany resulting in new flowers and the mass production of plants from single cells.
Where to watch HorizonEpisode 25
The Black Holes of Gravity
1h
In this episode of Horizon, Prof. John Taylor of the London University looks at the effects of gravity and the forces it exerts on the universe.
Where to watch HorizonEpisode 26
What's so Big About Us?
1h
Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.
Where to watch HorizonEpisode 27
The Steadfast Tin Soldier
1h
This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.
Where to watch HorizonEpisode 28
Carry on Smoking
1h
Horizon looks at the rise in the number of people who smoke and the real health risks.
Episode credits
Directed by Brian Gibson
Episode 29
Air Crash Detective
1h
In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.
Where to watch HorizonEpisode 30
An Element of Mystery
1h
This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.
Where to watch HorizonEpisode 31
Digging Up the Future
1h
Can we ever hope to wipe out diseases like influenza and small-pox? Will our weather get better - or worse? Is it possible to grow anything useful on large areas of moorland in this country? Diseases, climate and soil structure alter so slowly that patterns in them can only be found by studying how they've changed over hundreds and thousands of years. Dating methods, which slot all the changes into place, are the most important scientific tools for analyzing the past. And the news they give can advise - and warn - us about the future.
Where to watch HorizonEpisode 32
Kula, a Reason for Giving
1hfinale
Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.
Where to watch HorizonEpisode information updated Jul 25, 2026
Available now in United States
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Cast
Richard Branson
Nicholas SoamesBob Brier
Robert Winston
Robert GalloTrevor R. Bryce
Joshua Wurman
Bill PatersonProduction details
- Status
- Returning Series
- Series type
- Documentary
- Episodes
- 1,173
- Original language
- English
Networks & production
BBC TwoUnited Kingdom
Themes
philosophyscience