- 1 Epidemic
Horizon examines sources of infection that have, and could still, cause epidemics in Britain.
Air Date: 1973-01-04
- 2 Worlds in Collision
This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.
Air Date: 1973-01-11
- 3 The Military Necessity
Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.
Air Date: 1973-01-18
- 4 The Curtain of Silence
Horizon looks into the problem of deafness in Britain.
Air Date: 1973-01-25
- 5 Crime Lab
No description available.
Air Date: 1973-02-01
- 6 When the Breeding Has to Stop
No description available.
Air Date: 1973-02-08
- 7 Science is Dead, Long Live Science
In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.
Air Date: 1973-02-15
- 8 ...And Where Will the Children Play?
Horizon explores how to make the future livable and prevent the effects of urban sprawl.
Air Date: 1973-03-01
- 9 Acupuncture: A Chinese Puzzle
Horizon explains acupuncture theories and examines its validity in modern medicine.
Air Date: 1973-03-08
- 10 What Time is Your Body?
Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
Air Date: 1973-03-22
- 11 Survival of the Weakest
In this episode, Horizon investigates the chances of survival and chances of a normal life for babies who are born underweight.
Air Date: 1973-04-05
- 12 Red Sea Coral and the Crown of Thorns
This Horizon documentary shows the work of the Cambridge Coral Starfish Research Group off of Port Sudan in the Red Sea.
Air Date: 1973-04-12
- 13 Lumbered With Back-Ache!
In this report, Horizon studies the problem of backache and investigates some remarkable new spine research.
Air Date: 1973-04-26
- 14 Airport
Horizon covers Heathrow Airport in England and in particular, the work which is being done to make it safe.
Air Date: 1973-05-03
- 15 Do You Remember the Memory Man?
Horizon looks at the phenomena of memory and some recent discoveries about it made by scientists.
Air Date: 1973-05-17
- 16 What a Waste!
Horizon investigates the various ways of dealing with the growing problem of garbage.
Air Date: 1973-05-24
- 17 The Laws of the Land
In the episode, Horizon investigates modern intensive farming methods.
Air Date: 1973-06-07
- 18 Do We Really Need the Railways?
Horizon takes a realistic look at the new ideas and technology threatening Britain's railway system.
Air Date: 1973-06-14
- 19 The Telly of Tomorrow
In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.
Air Date: 1973-06-21
- 20 The Rat Man
A dramatised reconstruction of Dr Freud's treatment of an obsessive neurotic who is frustrated, suicidal and terrified that rats are going to eat his father and girlfriend.
Air Date: 1973-06-28
- 21 How Does It Hurt?
In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.
Air Date: 1973-07-05
- 22 A Scientist Looks at Religion
This report by Horizon examines the work of Sir Alister Hardy who has set up a research unit to examine religious experience.
Air Date: 1973-08-09
- 23 In Search of Konrad Lorenz
Horizon presents a portrait of Konrad Lorenz and a review of his career and personal interests.
Air Date: 1973-09-24
- 24 Stretch Up Tall
This episode of Horizon takes a look at the medical and educational treatment of spastics in Britain.
Air Date: 1973-10-01
- 25 Gilding the Lily
Horizon presents a documentary on the developments in botany resulting in new flowers and the mass production of plants from single cells.
Air Date: 1973-10-08
- 26 Black Holes of Gravity
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.
Air Date: 1973-10-15
- 27 What's so Big About Us?
Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.
Air Date: 1973-10-22
- 28 The Steadfast Tin Soldier
This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.
Air Date: 1973-10-29
- 29 Carry on Smoking
Horizon looks at the rise in the number of people who smoke and the real health risks.
Air Date: 1973-11-05
- 30 Air Crash Detective
In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.
Air Date: 1973-11-26
- 31 An Element of Mystery
This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.
Air Date: 1973-12-03
- 32 Digging Up the Future
No description available
Air Date: 1973-12-17
- 33 Kula, a Reason for Giving
Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.
Air Date: 1973-12-24