Air date: 1970-01-05

Runtime: 60 min

This episode of Horizon centers on the study of the moon rock samples brought back to the earth by the Apollo 11 flight to the moon.

Air date: 1970-01-12

Runtime: 60 min

Horizon investigates the history of the life and work of Sir Henry Royce, co-founder of the firm Rolls Royce Royce.

Air date: 1970-01-19

Runtime: 60 min

This is the first part of a two-part episode on diseases afflicting people today. Horizon looks at the issue of stress on the body.

Air date: 1970-01-26

Runtime: 60 min

This is the second part of a two-part episode on diseases afflicting people today. Horizon looks at the causes of coronary heart disease and modern techniques of treatment and cure.

Air date: 1970-02-02

Runtime: 60 min

Horizon exams the current scientific research into human sexual behavior.

Air date: 1970-02-16

Runtime: 60 min

In this episode, Horizon reports on how much of the sea coast around Britain is becoming polluted.

Air date: 1970-02-23

Runtime: 60 min

This episode deals with the problems of infertility and showing the investigations being carried out.

Air date: 1970-03-02

Runtime: 60 min

Sir Bernard Spilsbury, a forensic pathologist, talks about the role of the scientific witness in the criminal courts.

Air date: 1970-03-09

Runtime: 60 min

A look at some of the work carried out in Britain into the development of new materials for industry.

Air date: 1970-03-16

Runtime: 60 min

This episode of Horizon looks at the question of the treatment of criminals in Britain.

Air date: 1970-03-23

Runtime: 60 min

Horizon reports on the Mental Health Service in Britain.

Air date: 1970-03-30

Runtime: 60 min

This episode surrounds the two channels of human communication - verbal and non-verbal.

Air date: 1970-04-13

Runtime: 60 min

A Horizon investigation into the research done in Britain and the USA to support the 'Continental Drift' theory.

Air date: 1970-04-20

Runtime: 60 min

This episode of Horizon looks at the National Health Service of Britain and the enormous demands that are imposed on it.

Air date: 1970-04-27

Runtime: 60 min

This report by Horizon looks into meteorological research in Britain and America.

Air date: 1970-05-11

Runtime: 60 min

An investigation by Horizon reveals information about the use of artificial additives and preservatives in the manufacture of modern processed foods.

Air date: 1970-07-06

Runtime: 60 min

On this episode of Horizon, the science behind the cosmetic industry and the social and psychological importance of beauty and fragrance is revealed.

Air date: 1970-07-13

Runtime: 60 min

This a a report by Horizon on the research in the USA and Canada into the habits of the wolf in its natural surroundings and in captivity.

Air date: 1970-08-10

Runtime: 60 min

Horizon explores the use and role of statistics in modern society and how they are needed for planning.

Air date: 1970-08-17

Runtime: 60 min

Horizon reveals new evidence found by archaeologists that have now traced our origins back to the extinct ape man of Africa.

Air date: 1970-08-24

Runtime: 60 min

In this episode, Horizon reports on how the TV series "Man and Science Today" compares the British National Health System with the private health system in the USA.

Air date: 1970-08-31

Runtime: 60 min

The population explosion of the Crown of Thorns starfish is investigated by Horizon.

Air date: 1970-09-07

Runtime: 60 min

Horizon brings you the history and modern day functions of the Natural History museum in Kensington, Britain.

Air date: 1970-09-14

Runtime: 60 min

This is an episode on problems dealing with viral diseases such as measles.

Air date: 1970-09-21

Runtime: 60 min

Horizon looks at the work of scientists as they unravel the problems of providing us with water.

Air date: 1970-09-28

Runtime: 60 min

In this story, Horizon investigates the issue of controversial animal experiments between anti-vivisectionists and scientists.

Air date: 1970-10-05

Runtime: 60 min

Horizon reports on the future of 30,000 children in Britain that are mentally retarded.

Air date: 1970-10-12

Runtime: 60 min

Horizon reports on the work of the British Nature Conservancy and how scientists are trying to find out about nature.

Air date: 1970-11-02

Runtime: 60 min

This episode of Horizon reports on the revolution in the size of oil tankers showing present and future planned methods of construction.

Air date: 1970-11-09

Runtime: 60 min

Horizon looks at problems caused by the rapid reproduction rate of insects and their increasing resistance to pesticides.

Air date: 1970-11-16

Runtime: 60 min

Horizon reports on Professor Claude Levi-Strauss who has been studying and analyzing the so-called primitive man for more than 30 years.

Air date: 1970-11-23

Runtime: 60 min

This episode of Horizon investigates the history of tanks in the last fifty years and the dominant role they have played in land warfare.

Air date: 1970-11-30

Runtime: 60 min

In this story, Horizon investigates the artificial intelligence of computers by watching a chess game.

Air date: 1970-12-07

Runtime: 60 min

Horizon examines some of the techniques used by the boom industry of Management Selection.

Air date: 1970-12-14

Runtime: 60 min

Horizon investigates the work of geologists and seismologists trying to predict the date of the next great earthquake in San Francisco, California.

Air date: 1970-12-21

Runtime: 60 min

Horizon reports on some of the pure scientific research work carried out at the Smithsonian Tropical Research institute.

Air date: 1970-12-28

Runtime: 60 min

This episode by Horizon is a dramatized reconstruction from original transcripts of the inquiry into the Tay Bridge disaster.