1. An Unholy Scramble
Aired: Jan 7, 1974This episode of Horizon explains how our body fights infections and cancers a...
2. You Do as You Are Told
Aired: Jan 14, 1974This episode of Horizon is about various experiments on migratory birds and h...
3. The First Signs of Washoe
Aired: Jan 21, 1974Horizon reports on the British Open University and how it operates.
4. The Other Way
Aired: Jan 28, 1974Horizon investigates how Britain has hunted fish in the past and how improved...
5. The Greatest Advance since the Wheel
Aired: Feb 4, 1974This episode of Horizon is about the history of the bicycle and the possibili...
6. Joey
Aired: Feb 11, 1974Documentary with dramatic reconstructions about the life of Joey Deacon, a ma...
7. The Neglected Harvest
Aired: Feb 18, 1974Horizon investigates reports of abuse of the Colorado river in the USA.
8. How on Earth Did They Do That?
Aired: Mar 4, 1974Horizon examines the British Hudson Institute's methods and predictions for t...
9. The Lysenko Affair
Aired: Mar 11, 1974In this Horizon episode, we look at attempts by scientists to solve the energ...
10. The Cleanest Place in the World
Aired: Apr 22, 1974In this report, Prof. John Maynard Smith looks back at some of the subjects H...
11. The Killer Dust
Aired: Apr 29, 1974Horizon looks back at the discovery and the development of anesthesia.
12. A Time to Be Born
Aired: May 6, 1974This Horizon episode is about the search for quarks, thought to be the substa...
13. The Unsafe Sea
Aired: May 13, 1974Horizon investigates captive animal breeding to prevent extinction of animal ...
14. The Change of Life
Aired: Jun 3, 1974Horizon reports on bridges in Britain...how safe are they?
15. Project Fido
Aired: Jun 10, 1974Documentary about the origins of life which attempts to find out what happene...
16. The Planets
Aired: Jun 10, 1974Horizon investigates the subject of sleep in Britain and the USA.
17. The Long Long Walkabout
Aired: Jun 24, 1974In this episode of Horizon, you learn about transferring the basis of modern ...
18. The Overworked Miracle
Aired: Jul 1, 1974In this report, Horizon presents the state of hill farming in Wales.
19. Not the Cheapest but the Best
Aired: Jul 8, 1974This documentary of Horizon reports on the discovery of the structure of DNA ...
20. A Spoonful of Roughage
Aired: Jul 15, 1974In this episode, Horizon reports on the rising number of imigrant doctors wor...
21. Brain Poison
Aired: Jul 22, 1974Horizon explores the technological and economic reasons for the mining reviva...
22. The Bulldog's Last Bark
Aired: Jul 29, 1974How lack of investment damaged British science, resulting in the loss of tech...
23. Benjamin
Aired: Aug 5, 1974Horizon brings you a report by Tom Harrison on anti-nazi propaganda in Britai...
24. The McMaster Experiment
Aired: Aug 12, 1974This episode of Horizon investigates the role that hormones play in the stage...
25. The Glazed Outlook
Aired: Sep 2, 1974Horizon investigates some of the risks and problems involved in bringing oil ...
26. The Three Chord Trick
Aired: Oct 28, 1974This report by Horizon explores how far people are prepared to suppress their...
27. Strange Sleep
Aired: Nov 4, 1974Horizons reviews the scientific work of Americans in the field of research in...
28. How Do You Read?
Aired: Nov 11, 1974Horizon presents Dr. Schumacher's theory that use of modern technology could ...
29. The Sickly Sea
Aired: Nov 25, 1974Sixty years ago a Dutch scientist discovered a phenomenon that overturned the...
30. Happy Catastrophe
Aired: Dec 9, 1974This story by Horizon reconstructs the true life story of Joey Deacon.
31. To Die, to Live: The Survivors of Hiroshima
Aired: Dec 16, 1974Horizon investigates the developments and research in forestry which may now ...
32. Cannabis
Aired: Dec 23, 1974This documentary by Horizon reports on the development of cinematographic spe...
33. Meditation and the Mind
Aired: Dec 30, 1974Horizon presents a dramatized documentary on the rise to power of Trofim Deni...
