1. Noah's Ark in Kensington
Aired: Jan 5, 1970This episode of Horizon centers on the study of the moon rock samples brought...
2. Virus
Aired: Jan 12, 1970Horizon investigates the history of the life and work of Sir Henry Royce, co-...
3. Water, Water...
Aired: Jan 19, 1970This is the first part of a two-part episode on diseases afflicting people to...
4. All Creatures Great and Small
Aired: Jan 26, 1970This is the second part of a two-part episode on diseases afflicting people t...
5. Child for a Lifetime
Aired: Feb 2, 1970Horizon exams the current scientific research into human sexual behavior.
6. Something for Our Children
Aired: Feb 16, 1970In this episode, Horizon reports on how much of the sea coast around Britain ...
7. Million Ton Tanker
Aired: Feb 23, 1970This episode deals with the problems of infertility and showing the investiga...
8. The Insect War
Aired: Mar 2, 1970Sir Bernard Spilsbury, a forensic pathologist, talks about the role of the sc...
9. The Savage Mind
Aired: Mar 9, 1970A look at some of the work carried out in Britain into the development of new...
10. Tanks
Aired: Mar 16, 1970This episode of Horizon looks at the question of the treatment of criminals i...
11. Mind the Machine
Aired: Mar 23, 1970Horizon reports on the Mental Health Service in Britain.
12. Square Pegs
Aired: Mar 30, 1970This episode surrounds the two channels of human communication - verbal and n...
13. The City That Waits to Die
Aired: Apr 13, 1970Horizon documentary from the late 1960's on earthquakes and the next San Fran...
14. The Man Who Talks to Frogs
Aired: Apr 20, 1970This episode of Horizon looks at the National Health Service of Britain and t...
15. The Gargantuan Triumph of Science
Aired: Apr 27, 1970This report by Horizon looks into meteorological research in Britain and Amer...
16. Wildlife - The Last Great Battle
Aired: May 11, 1970An investigation by Horizon reveals information about the use of artificial a...
17. Great Ormond Street
Aired: Jul 6, 1970On this episode of Horizon, the science behind the cosmetic industry and the ...
18. A Bulldozer Through Heaven
Aired: Jul 13, 1970This a a report by Horizon on the research in the USA and Canada into the hab...
19. Rumours of Wars
Aired: Aug 10, 1970Horizon explores the use and role of statistics in modern society and how the...
20. I'm dependent: you're addicted
Aired: Aug 17, 1970Horizon reveals new evidence found by archaeologists that have now traced our...
21. Kuru - To Tremble with Fear
Aired: Aug 24, 1970In this episode, Horizon reports on how the TV series "Man and Science Today"...
22. Due to lack of interest, tomorrow has been cancelled
Aired: Aug 31, 1970The population explosion of the Crown of Thorns starfish is investigated by H...
23. What Kind of Doctor?
Aired: Sep 7, 1970Horizon brings you the history and modern day functions of the Natural Histor...
24. A Nice Sort of Accident to Have
Aired: Sep 14, 1970This is an episode on problems dealing with viral diseases such as measles.
25. The Wood
Aired: Sep 21, 1970Horizon looks at the work of scientists as they unravel the problems of provi...
26. The Measure of Man
Aired: Sep 28, 1970In this story, Horizon investigates the issue of controversial animal experim...
27. Three Score Years and Then?
Aired: Oct 5, 1970Horizon reports on the future of 30,000 children in Britain that are mentally...
28. Darwin's Bulldog
Aired: Oct 12, 1970Horizon reports on the work of the British Nature Conservancy and how scienti...
29. The Secret
Aired: Nov 2, 1970This episode of Horizon reports on the revolution in the size of oil tankers ...
30. What Every Girl Should Know
Aired: Nov 9, 1970Horizon looks at problems caused by the rapid reproduction rate of insects an...
31. Taste of Foods to Come
Aired: Nov 16, 1970Horizon reports on Professor Claude Levi-Strauss who has been studying and an...
32. Looking for a Happy Landing
Aired: Nov 23, 1970This episode of Horizon investigates the history of tanks in the last fifty y...
33. A Case of Depression
Aired: Nov 30, 1970The causes of depression and suicide and how best to treat them are explored.
34. The Total War Machine
Aired: Dec 7, 1970Horizon examines some of the techniques used by the boom industry of Manageme...
35. The Dinosaur Hunters
Aired: Dec 14, 1970Horizon investigates the work of geologists and seismologists trying to predi...
36. The Man who Talks to Frogs
Aired: Dec 21, 1970Horizon reports on some of the pure scientific research work carried out at t...
37. The Gargantuan Triumph of Science
Aired: Dec 28, 1970This episode by Horizon is a dramatized reconstruction from original transcri...