E1 - Just Another World

Aired: January 05, 1970

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.

E2 - Henry Royce, Mechanic

Aired: January 12, 1970

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

E3 - A Disease of Our Time - Stress

Aired: January 19, 1970

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.

E4 - A Disease of Our Time - Heart Attacks

Aired: January 26, 1970

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.

E5 - Sex and Sexuality

Aired: February 02, 1970

Horizon exams the current scientific research into human sexual behavior.

E6 - Whose Coast?

Aired: February 16, 1970

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

E7 - A Much Wanted Child

Aired: February 23, 1970

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

E8 - The Expert Witness

Aired: March 02, 1970

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

E9 - After the Iron Age

Aired: March 09, 1970

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

E10 - Let the Therapy Fit the Crime

Aired: March 16, 1970

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

E11 - The World Outside

Aired: March 23, 1970

Horizon reports on the Mental Health Service in Britain.

E12 - In the Beginning was the Word

Aired: March 30, 1970

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

E13 - The Drifting of the Continents

Aired: April 13, 1970

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

E14 - A Case of Priority

Aired: April 20, 1970

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

E15 - The Fretful Elements

Aired: April 27, 1970

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

E16 - One Man's Meat

Aired: May 11, 1970

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

E17 - Only Skin Deep

Aired: July 06, 1970

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

E18 - Wolves and Wolfmen

Aired: July 13, 1970

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.

E19 - A Measure of Uncertainty

Aired: August 10, 1970

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

E20 - The Manhunters

Aired: August 17, 1970

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

E21 - Don't Get Sick in America

Aired: August 24, 1970

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.

E22 - Crown of Thorns

Aired: August 31, 1970

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

E23 - Noah's Ark in Kensington

Aired: September 07, 1970

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

E24 - Virus

Aired: September 14, 1970

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

E25 - Water, Water

Aired: September 21, 1970

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

E26 - All Creatures Great and Small

Aired: September 28, 1970

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

E27 - A Child for a Lifetime

Aired: October 05, 1970

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

E28 - Something for Our Children

Aired: October 12, 1970

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

E29 - Million Ton Tanker

Aired: November 02, 1970

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

E30 - The Insect War

Aired: November 09, 1970

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

E31 - The Savage Mind

Aired: November 16, 1970

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

E32 - Tanks

Aired: November 23, 1970

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

E33 - Mind the Machine

Aired: November 30, 1970

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

E34 - Square Pegs

Aired: December 07, 1970

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

E35 - Earthquakes, The City that Waits to Die

Aired: December 14, 1970

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

E36 - The Man who Talks to Frogs

Aired: December 21, 1970

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

E37 - The Gargantuan Triumph of Science

Aired: December 28, 1970

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