1973x01 Epidemic
January 4, 1973 9:00 pm
Horizon examines sources of infection that have, and could still, cause epidemics in Britain.
1973x02 Worlds in Collision
January 11, 1973 9:00 pm
This episode of Horizon features Immanuel Velikovsky and his theories about the solar system.
1973x03 The Military Necessity
January 18, 1973 9:00 pm
Horizon examines the doctrines and military strategies of the rival alliances of NATO and the Warsaw Pact countries.
1973x04 The Curtain of Silence
January 25, 1973 9:00 pm
Horizon looks into the problem of deafness in Britain.
1973x07 Science is Dead, Long Live Science
February 15, 1973 9:00 pm
In this documentary by Horizon, we look at chemical warfare and the associated environmental problems that have given science a bad name.
1973x08 ...And Where Will the Children Play?
March 1, 1973 9:00 pm
Horizon explores how to make the future livable and prevent the effects of urban sprawl.
1973x09 Acupuncture: A Chinese Puzzle
March 8, 1973 9:00 pm
Horizon explains acupuncture theories and examines its validity in modern medicine.
1973x10 What Time is Your Body?
March 22, 1973 9:00 pm
Horizon illustrates the Circadian Cycle of your body clock as it relates to physical and mental efficiency.
1973x11 Survival of the Weakest
April 5, 1973 9:00 pm
In this episode, Horizon investigates the chances of survival and chances of a normal life for babies who are born underweight.
1973x12 Red Sea Coral and the Crown of Thorns
April 12, 1973 9:00 pm
This Horizon documentary shows the work of the Cambridge Coral Starfish Research Group off of Port Sudan in the Red Sea.
1973x13 Lumbered With Back-Ache!
April 26, 1973 9:00 pm
In this report, Horizon studies the problem of backache and investigates some remarkable new spine research.
1973x14 Airport
May 3, 1973 9:00 pm
Horizon covers Heathrow Airport in England and in particular, the work which is being done to make it safe.
1973x15 Do You Remember the Memory Man?
May 17, 1973 9:00 pm
Horizon looks at the phenomena of memory and some recent discoveries about it made by scientists.
1973x16 What a Waste!
May 24, 1973 9:00 pm
Horizon investigates the various ways of dealing with the growing problem of garbage.
1973x17 The Laws of the Land
June 7, 1973 9:00 pm
In the episode, Horizon investigates modern intensive farming methods.
1973x18 Do We Really Need the Railways?
June 14, 1973 9:00 pm
Horizon takes a realistic look at the new ideas and technology threatening Britain's railway system.
1973x19 The Telly of Tomorrow
June 21, 1973 9:00 pm
In this Horizon documentary, it deals with the expansion of television in Britain and the USA, especially with the growth of cable television.
1973x20 The Rat Man
June 28, 1973 9:00 pm
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.
1973x21 How Does It Hurt?
July 5, 1973 9:00 pm
In this episode of Horizon, you will find that many people suffer chronic pain and yet others cannot feel anything.
1973x22 A Scientist Looks at Religion
August 9, 1973 9:00 pm
This report by Horizon examines the work of Sir Alister Hardy who has set up a research unit to examine religious experience.
1973x23 In Search of Konrad Lorenz
September 24, 1973 9:00 pm
Horizon presents a portrait of Konrad Lorenz and a review of his career and personal interests.
1973x24 Stretch Up Tall
October 1, 1973 9:00 pm
This episode of Horizon takes a look at the medical and educational treatment of spastics in Britain.
1973x25 Gilding the Lily
October 8, 1973 9:00 pm
Horizon presents a documentary on the developments in botany resulting in new flowers and the mass production of plants from single cells.
1973x26 Black Holes of Gravity
October 15, 1973 9:00 pm
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.
1973x27 What's so Big About Us?
October 22, 1973 9:00 pm
Horizon investigates the plight of the Pygmies, on the verge of extinction as a racial group.
1973x28 The Steadfast Tin Soldier
October 29, 1973 9:00 pm
This Horizon documentary is a biography of the Danish nuclear physicist, Nils Bohr, and his efforts to internationally control atomic energy.
1973x29 Carry on Smoking
November 5, 1973 9:00 pm
Horizon looks at the rise in the number of people who smoke and the real health risks.
1973x30 Air Crash Detective
November 26, 1973 9:00 pm
In this report, Horizon investigates why airplanes crash and shows accident investigators at work analyzing a film of an actual crash.
1973x31 An Element of Mystery
December 3, 1973 9:00 pm
This episode of Horizon documents the sources, uses, and properties of the element mercury and examines its role in modern society.
1973x33 Kula, a Reason for Giving
December 24, 1973 9:00 pm
Horizon reports on the inhabitants islands east of New Guinea who have evolved a system of intercommunication called the Kula.
