• Air date: 07 Jan '74 33 episodes
      Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
  • List of Episodes (33)
    • 1. A Matter of Self-Defense

      07 Jan '74
      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

      14 Jan '74
      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

      21 Jan '74
      Horizon reports on the British Open University and how it operates.
    • 4. The Great Fish Hunt

      28 Jan '74
      Horizon investigates how Britain has hunted fish in the past and how improved fish catching techniques have severely reduced fish stocks.
    • 5. Pedal Power

      04 Feb '74
      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

      11 Feb '74
      In this episode, Horizon looks at connections between crime and poor housing design in the USA.
    • 7. Where Did the Colorado Go?

      18 Feb '74
      Horizon investigates reports of abuse of the Colorado river in the USA.
    • 8. The Future Goes Boom

      04 Mar '74
      Horizon examines the British Hudson Institute's methods and predictions for the future of economics.
    • 9. Fusion: The Energy Promise

      11 Mar '74
      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

      22 Apr '74
      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

      29 Apr '74
      Horizon looks back at the discovery and the development of anesthesia.
    • 12. The Hunting of the Quark

      06 May '74
      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

      13 May '74
      Horizon investigates captive animal breeding to prevent extinction of animal species in the wild.
    • 14. Bridges: When It Comes to the Crunch

      03 Jun '74
      Horizon reports on bridges in Britain...how safe are they?
    • 15. Search for Life

      10 Jun '74
      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

      10 Jun '74
      Horizon investigates the subject of sleep in Britain and the USA.
    • 17. Who Needs Skills?

      24 Jun '74
      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

      01 Jul '74
      In this report, Horizon presents the state of hill farming in Wales.
    • 19. The Race for the Double Helix

      08 Jul '74
      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

      15 Jul '74
      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

      22 Jul '74
      Horizon explores the technological and economic reasons for the mining revival in Britain.
    • 22. What Price Steak?

      29 Jul '74
      Horizon reports on the beef crisis and rising prices.
    • 23. Listen and Be Loyal

      05 Aug '74
      Horizon brings you a report by Tom Harrison on anti-nazi propaganda in Britain during World War II.
    • 24. Adam or Eve?

      12 Aug '74
      This episode of Horizon investigates the role that hormones play in the stages of mammalian sexual development.
    • 25. An Unholy Scramble

      02 Sep '74
      Horizon investigates some of the risks and problems involved in bringing oil from the North Sea ashore.