As of July 2026, Horizon Season 10 aired in 1973 with 32 episodes — streaming now on PBS. Full episode guide and where to watch below.
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Horizon Season 10

1973 32 Episodes Documentary ⭐ 7/10

Right now you can watch Horizon Season 10 on — and it earns the access it was given. A single, tightly-focused season means there is plenty to get through without ever feeling padded. 34 viewers have already rated it on TMDB — the kind of consensus that does not happen by accident. The access secured here is hard to overstate. There is no real reason to keep putting it off.

Whatever else is competing for your attention this week, Horizon Season 10 is worth clearing space for. Horizon Season 10 resists the urge to oversimplify a subject that deserves better. Season 10 of Horizon includes 32 episodes. It aired from January 1973 to December 1973. Episodes include "Epidemic", "Worlds in Collision", "The Military Necessity". It was aired in 1973. The restraint in Horizon Season 10 is what makes it trustworthy — it does not need to editorialise to make its point. It knows exactly what it is, and does not try to be anything else.

For viewers who want their entertainment to leave them with something, Horizon Season 10 delivers on both counts. If you have run out of similar titles to watch, this is a strong next pick. Best experienced as a single, sustained watch if your schedule allows. Rigorous in a way documentary work does not always commit to. Not background viewing — it rewards your full attention.

📡 Where to Watch Horizon Season 10

🇺🇸 United States
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🎬 Horizon Season 10 — Episode Guide

E1
Epidemic
1973-01-04
Horizon examines sources of infection that have, and could still, cause epidemics in Britain.
E2
Worlds in Collision
1973-01-11
This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.
E3
The Military Necessity
1973-01-18
Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.
E4
The Curtain of Silence
1973-01-25
Horizon looks into the problem of deafness in Britain.
E5
Crime Lab
1973-02-01
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? ...
E6
When the Breeding Has to Stop
1973-02-08
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 alread...
E7
Science Is Dead, Long Live Science
1973-02-15
In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.
E8
...And Where Will the Children Play?
1973-03-01
Horizon explores how to make the future livable and prevent the effects of urban sprawl.
E9
Acupuncture: A Chinese Puzzle
1973-03-08
Horizon explains acupuncture theories and examines its validity in modern medicine.
E10
What Time Is Your Body?
1973-03-22
Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
E11
Survival of the Weakest
1973-04-05
In this episode, Horizon investigates the chances of survival and chances of a normal life for babies who are born underweight.
E12
Red Sea Coral and the Crown of Thorns
1973-04-12
This Horizon documentary shows the work of the Cambridge Coral Starfish Research Group off of Port Sudan in the Red Sea.
E13
Lumbered... with Back-Ache!
1973-04-26
In this report, Horizon studies the problem of backache and investigates some remarkable new spine research.
E14
Airport
1973-05-03
Horizon covers Heathrow Airport in England and in particular, the work which is being done to make it safe.
E15
Do You Remember the Memory Man?
1973-05-17
Horizon looks at the phenomena of memory and some recent discoveries about it made by scientists.
E16
What a Waste!
1973-05-24
Horizon investigates the various ways of dealing with the growing problem of garbage.
E17
The Laws of the Land
1973-06-07
In the episode, Horizon investigates modern intensive farming methods.
E18
Do We Really Need the Railways?
1973-06-14
Horizon takes a realistic look at the new ideas and technology threatening Britain's railway system.
E19
The Telly of Tomorrow?
1973-06-21
In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.
E20
How Does It Hurt?
1973-07-05
In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.

📋 All Seasons of Horizon

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