1. Science on Safari
Aired: Jan 2, 1969Horizon probes into the problems of obesity and investigates cures for obesit...
2. A True Madness - Schizophrenia
Aired: Jan 9, 1969A report by Horizon examining animal intelligence and looking at the reasons ...
3. Problems of Pain
Aired: Jan 16, 1969Horizon investigates the importance of the eye, diseases of the eye, and curr...
4. Four Fast Legs and a Nose
Aired: Jan 23, 1969In this episode, Horizon reports on how in the last 2 years, the desert locus...
5. Father of the Man
Aired: Jan 30, 1969Horizon reports on the problems associated with raising and educating childre...
6. Master of the Microscope
Aired: Feb 6, 1969This episode is a biography of the late professor J. B. S. Haldane whose life...
7. Cern
Aired: Feb 13, 1969Horizon looks into music therapy used in the treatment of mental disorders.
8. Snap, Crackle and Bang
Aired: Feb 20, 1969This investigation by Horizon centers on the problems caused by venerial dise...
9. Cancer Now
Aired: Feb 27, 1969In scientific circles extra-sensory perception is a subject which has never f...
10. There's a Rhino in the Sugar
Aired: Mar 6, 1969This report by Horizon examines the reason for a fall in the percentage of sc...
11. Fit to Live?
Aired: Mar 13, 1969This episode of Horizon is about advertising, looking at how it works and the...
12. Don't Cackle Lay Eggs
Aired: Mar 20, 1969After the North Sea flooding of 1953,looks at the dam defences built in the N...
13. How Much Do You Drink?
Aired: Mar 27, 1969Horizon investigates new medical techniques to diagnose and treat unborn infa...
14. A Game of War
Aired: Apr 3, 1969Nicholas Kurti, Professor of Physics at the Clarendon Laboratory, Oxford, spe...
15. Bread
Aired: Apr 10, 1969This episode of Horizon looks at the communication systems of animals.
16. For the Safety of Mankind
Aired: Apr 24, 1969Horizon investigates pollution problems in Britain with sewage and industrial...
17. Just Another World
Aired: May 1, 1969In this episode, Horizon examines our attempts to understand one of the oldes...
18. Henry Royce, Mechanic
Aired: May 15, 1969Sebastian Z. de Ferranti gives the Royal Society lecture for 1969 on technolo...
19. A Disease of Our Time- Stress
Aired: May 22, 1969The US spent $40 billion to put man on the moon, yet the real objectives of t...
20. A Disease of Our Time- Heart Attacks
Aired: May 29, 1969Horizon reports on the research being carried out in the fields of botany, as...
21. Sex and Sexuality
Aired: Jun 5, 1969The Honorable A. W. Benn addresses young art and technology students on the i...
22. Who's Coast?
Aired: Sep 15, 1969The Honorable A. W. Benn addresses young art and technology students on the i...
23. A Much Wanted Child
Aired: Sep 22, 1969Schizophrenia is an unsolved mystery of modern medicine. Horizon looks at som...
24. The Expert Witness
Aired: Sep 29, 1969In this episode, Horizon reports on the problems of pain, and the theory put ...
25. After the Iron Age
Aired: Oct 6, 1969Horizon explores "man's best friend", the dog, and examines its origins and h...
26. Let the Therapy Fit the Crime
Aired: Oct 13, 1969Horizon investigates surveys being carried out on British children to test Fr...
27. The World Outside
Aired: Oct 20, 1969In this episode, Roman Vishniac talks about his study of living things in the...
28. The Word
Aired: Oct 27, 1969Horizon reports on the research into high-energy physics carried on at C.E.R....
29. The Drifting of the Continents
Aired: Nov 3, 1969The props for this programme are pistols, muskets and, above all, explosives....
30. A Case of Priority
Aired: Nov 10, 1969A report on current research into cancer and the subsequent knowledge and pro...
31. The Fretful Elements
Aired: Nov 17, 1969For some time now rhinos have been disturbing the workers in the Tanzanian su...
32. One Man's Meat
Aired: Nov 24, 1969Horizon investigates the limits of survival under extreme and normal environm...
33. Only Skin Deep
Aired: Dec 1, 1969Horizon reports on the development of the Dutch nation's continuing fight aga...
34. Wolves and the Wolfmen
Aired: Dec 8, 1969Horizon investigates how drinking affects human behavior.
35. A Measure of Uncertainty
Aired: Dec 15, 1969Horizon covers a simulated war game of a Middle East crisis, with different t...
36. Don't Get Sick in America
Aired: Dec 22, 1969Horizon explores the problem of feeding the growing world population.
37. Crown of Thorns
Aired: Dec 29, 1969Horizon investigate the dilemma of whether a scientist should put his loyalty...