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Where To Watch Horizon Season 1977

  1. 1A Smile for a CrocodileJanuary 7, 1977
  2. 2The Pill for the PeopleJanuary 14, 1977
  3. 3The Ape That Stood UpJanuary 21, 1977
  4. 4The Human AnimalFebruary 4, 1977
  5. 5The Guinea Pig and the LawFebruary 18, 1977
  6. 6Hunters of the SealFebruary 25, 1977
  7. 7The Red PlanetMarch 4, 1977
  8. 8One of Nature's HotelsMarch 11, 1977
  9. 9Dawn of the Solar AgeMarch 18, 1977
  10. 10Genetic RouletteApril 1, 1977
  11. 11The Amazing Doctor NewtonJuly 15, 1977
  12. 12The Trouble with MedicineJuly 22, 1977
  13. 13Silent SpeechJuly 29, 1977
  14. 14The Green MachineAugust 5, 1977
  15. 15Horizon 2002August 26, 1977
  16. 16The River That Came CleanSeptember 2, 1977
  17. 17Blueprints in the BloodstreamSeptember 9, 1977
  18. 1840 Years of MurderSeptember 16, 1977
  19. 19Darwin's DreamSeptember 23, 1977
  20. 20The Cry for HelpSeptember 30, 1977
  21. 21The Sunspot MysteryOctober 7, 1977
  22. 22The Rhine's RevengeOctober 21, 1977
  23. 23Icarus' ChildrenDecember 2, 1977
  24. 24The Healing NightmareDecember 9, 1977
  25. 25The Great Wine RevolutionDecember 23, 1977