Horizon presents evidence that links the drought cycle with the number of magnetically-hyperactive sunspots.

Horizon documents the life of crocodiles and alligators, and their breeding and exploitation.

Horizon traces the history of the oral contraceptive pill through the last 60 years as told by its pioneers.

Horizon looks at how recent excavations in Africa have changed the accepted ideas of man's origins and age.

Horizon investigates Sociobiology, which is a study of human social behaviour based on zoological research into animal behaviour.

In this episode, Horizon explores how animal experiments are carried out in Britain.

Horizon presents a story that depicts an astonishingly harsh way of life of the Netsilik Eskimos whose whole life is based on seal hunting.

This story by Horizon traces the efforts of astronomers and scientists through history to prove the existence of life on Mars.

Horizon looks at an ecological study of the Ythan estuary in Scotland.

In this episode, Horizon investigates research into solar energy in the USA, Japan, and the UK.

Horizon explores the debate on human genetic engineering.

BBC television documentary which explores, using live-action dramatisation, the life's work of Sir Isaac Newton, emphasising his sources of inspiration.

In this episode, Horizon looks at how, despite the high costs of the National Health System of Britain, more money doesn't mean better health.

This Horizon report is about Prof. Hubert Montagner and his study of non-verbal communication in young children, along with his findings.

Horizon makes an investigation into plant biology.

This is a report by Horizon on the successful clean-up of the River Thames in Britain.

This Horizon episode reports on research by scientists into identifying a system of markers, such as tissue types on blood cells, which indicate the human being's vulnerability to a whole range of diseases like multiple sclerosis and diabetes, and the possibilities this presents for preventive medicine.

Horizon presents a profile on one of the UK's leading pathologists, Keith Simpson.

This Horizon episode examines the growing British problem of attempted suicide by an overdose of drugs.

Horizon presents the story of how the river Rhine has defended itself against progress.

Horizon presents a report on the prize offered to the first person who could fly a prescribed figure of eight course.

This episode of Horizon is a dramatized reconstruction of breakdown of Carl Gustav Jung on the road to insanity.

Horizon explores a new science-based revolution in the production of wine.