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Where To Watch Horizon Season 1991

  1. 1Sudden DeathJanuary 7, 1991
  2. 2Keen as MustardJanuary 14, 1991
  3. 3Smokers Can Harm Your HealthJanuary 21, 1991
  4. 4Coming In from the ColdJanuary 28, 1991
  5. 5Small Problems with the MirrorFebruary 4, 1991
  6. 6Two Weeks to Save the EarthFebruary 10, 1991
  7. 7California DreamingFebruary 11, 1991
  8. 8The Day the Earth MeltedFebruary 25, 1991
  9. 9The Curse of KarashFebruary 25, 1991
  10. 10Playing at NoahMarch 4, 1991
  11. 11Cashing in on ParadiseMarch 11, 1991
  12. 12The Terracotta Time MachineMarch 18, 1991
  13. 13Measuring the Roof of the WorldMarch 25, 1991
  14. 14The First AmericansApril 15, 1991
  15. 15Inside Chernobyl's SarcophagusApril 22, 1991
  16. 16Colonising CyberspaceApril 29, 1991
  17. 17Emerging VirusesMay 13, 1991
  18. 18Camelford - A Bitter AftertasteMay 20, 1991
  19. 19Of Big Bangs, Stick Men and Galactic HolesJune 3, 1991
  20. 20Food for ThoughtJune 10, 1991
  21. 21The Long Road to the WestJune 17, 1991
  22. 22Half Hearted About Semi-SkimmedJune 24, 1991
  23. 23T-Rex ExposedJuly 1, 1991