1. The Trobriand Experiment
Aired: Jan 20, 1975This investigative report by Horizon covers an investigation into the deaths ...
2. The Transplant Experience
Aired: Jan 27, 1975Investigates the growing tendency in hospitals to induce childbirth by inject...
3. Intimate Strangers
Aired: Feb 10, 1975This episode of Horizon examines the problems of ship safety in the English C...
4. A Fair Share of What Little We Have
Aired: Feb 17, 1975Horizon investigates the symptoms of menopause and the various degrees in whi...
5. The Incredible Machine
Aired: Feb 24, 1975This episode of Horizon shows the peril to man of the ever increasing dog pop...
6. King Coal Revived
Aired: Mar 10, 1975By the end of 1974, Mars, Venus, Mercury and Jupiter had all been visited by ...
7. A Question of Trust
Aired: Apr 7, 1975This report by Horizon covers an investigation by a group of Australian scien...
8. The Case of the Bermuda Triangle
Aired: Apr 14, 1975This report by Horizon describes the resistance to antibiotics, fast growing ...
9. The Lords of the Labyrinth
Aired: Apr 21, 1975Horizon investigates the life and work of the great engineer, Isambard Kingdo...
10. Inside the Shark
Aired: Apr 28, 1975Horizon explores the effect of fibre in diet on the diseases of western world.
11. The Chemical Dream
Aired: May 5, 1975Horizon presents an investigation into the effects on health of lead in the u...
12. The Edelin Affair
Aired: May 12, 1975This is a Horizon report on the building of the British military deterrent fr...
13. The World of Margaret Mead
Aired: May 19, 1975This episode of Horizon follows the progress of Benjamin Pile, born on 22 Nov...
14. The Pathway from Madness
Aired: Jun 2, 1975This report by Horizon covers an experiment at McMaster University Medical Sc...
15. Geronimo's Children
Aired: Jun 9, 1975Horizon investigates the attempts by the University of Newcastle in England t...
16. The Vision of the Blind
Aired: Jun 16, 1975Looks at the move away from categorizing blind people in just one category. 8...
17. A Lesson for Teacher
Aired: Jun 23, 1975This report by Horizon brings you scientists that are using Antarctica as a g...
18. Why Did Stuart Die?
Aired: Jun 30, 1975Horizon investigates the discovery of gaseous anaesthetic from 1840 until the...
19. The Children of Peru
Aired: Jul 7, 1975Horizon reports on the history of superconductivity, from discovery, to the p...
20. Dying
Aired: Jul 14, 1975In this documentary, Horizon reports on the reading process; how it works for...
21. The Great British Drought
Aired: Jul 21, 1975This episode of Horizon describes the various aspects of the pollution proble...
22. A Home Like Ours... A Story of Four Children
Aired: Jul 28, 1975In this Horizon episode, Rene Thom's mathematical discovery of the catastroph...
23. What's Wrong with the Sun?
Aired: Aug 4, 1975This documentary by Horizon commemorates the dropping of the A-bomb on Hirosh...
24. Cannabis
Aired: Aug 11, 1975Horizon takes a look at the history of cannabis and the research on the effec...
25. Meditation and the Mind
Aired: Aug 18, 1975This is a report by Horizon on Transcendental Meditation, or TM, brought to t...
26. The Trobriand Experiment
Aired: Dec 29, 1975This documentary by Horizon is about the Trobriand islanders, whose culture i...