1977 Episodes
1. A Smile for a Crocodile
Horizon documents the life of crocodiles and alligators, and their breeding and exploitation.
2. The Pill for the People
Horizon traces the history of the oral contraceptive pill through the last 60 years as told by its pioneers.
3. The Ape That Stood Up
Horizon looks at how recent excavations in Africa have changed the accepted ideas of man's origins and age.
4. The Human Animal
Horizon investigates Sociobiology, which is a study of human social behaviour based on zoological research into animal behaviour.
5. The Guinea Pig and the Law
In this episode, Horizon explores how animal experiments are carried out in Britain.
6. Hunters of the Seal
Horizon presents a story that depicts an astonishingly harsh way of life of the Netsilik Eskimos whose whole life is based on seal hunting.
7. The Red Planet
This story by Horizon traces the efforts of astronomers and scientists through history to prove the existence of life on Mars.
8. One of Nature's Hotels
Horizon looks at an ecological study of the Ythan estuary in Scotland.
9. Dawn of the Solar Age
In this episode, Horizon investigates research into solar energy in the USA, Japan, and the UK.
10. Genetic Roulette
Horizon explores the debate on human genetic engineering.
11. The Amazing Doctor Newton
BBC television documentary which explores, using live-action dramatisation, the life's work of Sir Isaac Newton, emphasising his sources of inspiration.
12. The Trouble with Medicine
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.
13. Silent Speech
This Horizon report is about Prof. Hubert Montagner and his study of non-verbal communication in young children, along with his findings.
14. The Green Machine
Horizon makes an investigation into plant biology.
15. The River That Came Clean
This is a report by Horizon on the successful clean-up of the River Thames in Britain.
16. Blueprints in the Bloodstream
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.
17. 40 Years of Murder
Horizon presents a profile on one of the UK's leading pathologists, Keith Simpson.
18. The Cry for Help
This Horizon episode examines the growing British problem of attempted suicide by an overdose of drugs.
19. The Sunspot Mystery
Horizon presents evidence that links the drought cycle with the number of magnetically-hyperactive sunspots.
20. The Rhine's Revenge
Horizon presents the story of how the river Rhine has defended itself against progress.
21. Icarus' Children
Horizon presents a report on the prize offered to the first person who could fly a prescribed figure of eight course.
22. The Healing Nightmare
This episode of Horizon is a dramatized reconstruction of breakdown of Carl Gustav Jung on the road to insanity.
23. The Great Wine Revolution
Horizon explores a new science-based revolution in the production of wine.