January 7, 1974 9:00 pm
This episode of Horizon explains how our body fights infections and cancers and brings us up-to-date on recent research in immunology.
January 14, 1974 9:00 pm
This episode of Horizon is about various experiments on migratory birds and homing pigeons to try and discover how they navigate.
January 21, 1974 9:00 pm
Horizon reports on the British Open University and how it operates.
January 28, 1974 9:00 pm
Horizon investigates how Britain has hunted fish in the past and how improved fish catching techniques have severely reduced fish stocks.
February 4, 1974 9:00 pm
This episode of Horizon is about the history of the bicycle and the possibility of it being able to ease the traffic problems in Britain.
February 11, 1974 9:00 pm
In this episode, Horizon looks at connections between crime and poor housing design in the USA.
February 18, 1974 9:00 pm
Horizon investigates reports of abuse of the Colorado river in the USA.
March 4, 1974 9:00 pm
Horizon examines the British Hudson Institute's methods and predictions for the future of economics.
March 11, 1974 9:00 pm
In this Horizon episode, we look at attempts by scientists to solve the energy crisis of future by building nuclear fusion reactors.
April 22, 1974 9:00 pm
In this report, Prof. John Maynard Smith looks back at some of the subjects Horizon has presented since 1964.
April 29, 1974 9:00 pm
Horizon looks back at the discovery and the development of anesthesia.
May 6, 1974 9:00 pm
This Horizon episode is about the search for quarks, thought to be the substance of which electrons, protons, and neutrons are made of.
May 13, 1974 9:00 pm
Horizon investigates captive animal breeding to prevent extinction of animal species in the wild.
June 3, 1974 9:00 pm
Horizon reports on bridges in Britain...how safe are they?
June 10, 1974 9:00 pm
Documentary about the origins of life which attempts to find out what happened in the one billion years before fossil evidence begins.
June 10, 1974 9:00 pm
Horizon investigates the subject of sleep in Britain and the USA.
June 24, 1974 9:00 pm
In this episode of Horizon, you learn about transferring the basis of modern industry production from human skills to computer programmed machines.
July 1, 1974 9:00 pm
In this report, Horizon presents the state of hill farming in Wales.
July 8, 1974 9:00 pm
This documentary of Horizon reports on the discovery of the structure of DNA in 1953 by Dr. Francis Crick and Prof. James Watson.
July 15, 1974 9:00 pm
In this episode, Horizon reports on the rising number of imigrant doctors working in the National Health System of Britain.
July 22, 1974 9:00 pm
Horizon explores the technological and economic reasons for the mining revival in Britain.
July 29, 1974 9:00 pm
Horizon reports on the beef crisis and rising prices.
August 5, 1974 9:00 pm
Horizon brings you a report by Tom Harrison on anti-nazi propaganda in Britain during World War II.
August 12, 1974 9:00 pm
This episode of Horizon investigates the role that hormones play in the stages of mammalian sexual development.
September 2, 1974 9:00 pm
Horizon investigates some of the risks and problems involved in bringing oil from the North Sea ashore.
October 28, 1974 9:00 pm
This report by Horizon explores how far people are prepared to suppress their own moral scruples in the face of necessity to obey authority.
November 4, 1974 9:00 pm
Horizons reviews the scientific work of Americans in the field of research in communication with animals.
November 11, 1974 9:00 pm
Horizon presents Dr. Schumacher's theory that use of modern technology could make the working week a creative experience.
December 9, 1974 9:00 pm
This story by Horizon reconstructs the true life story of Joey Deacon.
December 16, 1974 9:00 pm
Horizon investigates the developments and research in forestry which may now help to overcome shortage of timber.
December 23, 1974 9:00 pm
This documentary by Horizon reports on the development of cinematographic special effects from 1890's to date.
December 30, 1974 9:00 pm
Horizon presents a dramatized documentary on the rise to power of Trofim Denisovich Lysenko, a young Ukrainian agriculturalist.