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Where To Watch NOVA Season 4

  1. 1Hitler's Secret WeaponJanuary 5, 1977
  2. 2The Hot Blooded DinosaursJanuary 12, 1977
  3. 3What Price Coal?January 19, 1977
  4. 4The Sunspot MysteryFebruary 2, 1977
  5. 5The Plastic PrisonFebruary 9, 1977
  6. 6Incident at Brown's FerryFebruary 23, 1977
  7. 7Bye Bye BlackbirdMarch 2, 1977
  8. 8The Pill for the PeopleMarch 9, 1977
  9. 9The Gene EngineersMarch 16, 1977
  10. 10The Human AnimalMarch 23, 1977
  11. 11The Wolf EquationMarch 30, 1977
  12. 12The Dawn of the Solar AgeApril 20, 1977
  13. 13The Business of ExtinctionApril 20, 1977
  14. 14The Red PlanetApril 27, 1977
  15. 15Tongues of Men (1)May 11, 1977
  16. 16Tongues of Men (2)May 18, 1977
  17. 17Linus Pauling Crusading ScientistJune 1, 1977
  18. 18Across the Silent BarrierJune 22, 1977
  19. 19The New HealersJune 29, 1977
  20. 20The Green MachineJanuary 11, 1978