Horizon Season 11 Episode release dates & where to watch

1. A Matter of Self-Defense

This episode of Horizon explains how our body fights infections and cancers and brings us up-to-date on recent research in immunology.

2. Bird Brain - The Mystery of Bird Navigation

This episode of Horizon is about various experiments on migratory birds and homing pigeons to try and discover how they navigate.

3. Never Too Late to Learn

Horizon reports on the British Open University and how it operates.

4. The Great Fish Hunt

Horizon investigates how Britain has hunted fish in the past and how improved fish catching techniques have severely reduced fish stocks.

5. Pedal Power

This episode of Horizon is about the history of the bicycle and the possibility of it being able to ease the traffic problems in Britain.

6. The Writing on the Wall

In this episode, Horizon looks at connections between crime and poor housing design in the USA.

7. Where Did the Colorado Go?

Horizon investigates reports of abuse of the Colorado river in the USA.

8. The Future Goes Boom

Horizon examines the British Hudson Institute's methods and predictions for the future of economics.

9. Fusion: The Energy Promise

In this Horizon episode, we look at attempts by scientists to solve the energy crisis of future by building nuclear fusion reactors.

10. The First Ten Years

In this report, Prof. John Maynard Smith looks back at some of the subjects Horizon has presented since 1964.

11. This Yankee Dodge Beats Mesmerism Hollow

Horizon looks back at the discovery and the development of anesthesia.

12. The Hunting of the Quark

This Horizon episode is about the search for quarks, thought to be the substance of which electrons, protons, and neutrons are made of.

13. A Noah's Ark for Europe

Horizon investigates captive animal breeding to prevent extinction of animal species in the wild.

14. Bridges: When It Comes to the Crunch

Horizon reports on bridges in Britain...how safe are they?

15. Search for Life

Documentary about the origins of life which attempts to find out what happened in the one billion years before fossil evidence begins.

16. The Secrets of Sleep

Horizon investigates the subject of sleep in Britain and the USA.

17. Who Needs Skills?

In this episode of Horizon, you learn about transferring the basis of modern industry production from human skills to computer programmed machines.

18. Hills of Promise

In this report, Horizon presents the state of hill farming in Wales.

19. The Race for the Double Helix

This documentary of Horizon reports on the discovery of the structure of DNA in 1953 by Dr. Francis Crick and Prof. James Watson.

20. The Immigrant Doctors

In this episode, Horizon reports on the rising number of imigrant doctors working in the National Health System of Britain.

21. Mines, Minerals and Men

Horizon explores the technological and economic reasons for the mining revival in Britain.

22. What Price Steak?

Horizon reports on the beef crisis and rising prices.

23. Listen and Be Loyal

Horizon brings you a report by Tom Harrison on anti-nazi propaganda in Britain during World War II.

24. Adam or Eve?

This episode of Horizon investigates the role that hormones play in the stages of mammalian sexual development.

25. An Unholy Scramble

Horizon investigates some of the risks and problems involved in bringing oil from the North Sea ashore.

26. Do as You Are Told

This report by Horizon explores how far people are prepared to suppress their own moral scruples in the face of necessity to obey authority.

27. The First Signs of Washoe

Horizons reviews the scientific work of Americans in the field of research in communication with animals.

28. The Other Way

Horizon presents Dr. Schumacher's theory that use of modern technology could make the working week a creative experience.

29. The Greatest Advance Since the Wheel?

Sixty years ago a Dutch scientist discovered a phenomenon that overturned the electrical rule book. By cooling certain metals to incredibly low temperatures he found they could continue to carry an electric current for ever, even when the power supply was switched off. Today, developments of these metals - called superconductors-have led to trains that fly, magnets that could depollute rivers and machines that promise cheaper power.

30. Joey

This story by Horizon reconstructs the true life story of Joey Deacon.

31. The Neglected Harvest

Horizon investigates the developments and research in forestry which may now help to overcome shortage of timber.

32. How on Earth Did They Do That?

This documentary by Horizon reports on the development of cinematographic special effects from 1890's to date.

33. The Lysenko Affair Finale

Horizon presents a dramatized documentary on the rise to power of Trofim Denisovich Lysenko, a young Ukrainian agriculturalist.