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Where To Watch Catalyst Season 18

  1. 1Meet The AvatarsAugust 15, 2017
  2. 2Can Seaweed Save The World?August 22, 2017
  3. 3Closing In The Hunt For Alien LifeAugust 29, 2017
  4. 4Secrets of the Dinosaur CraterSeptember 5, 2017
  5. 5Heartbeat The Miracle Inside YouSeptember 12, 2017
  6. 6Death Dive Into the Rings of SaturnSeptember 19, 2017
  7. 7Sit Back, Relax; The Dawn of the Driverless CarSeptember 26, 2017
  8. 8Can we Save the Reef?October 3, 2017
  9. 9How To Exercise BetterOctober 10, 2017
  10. 10Gut Revolution (Part 1)October 17, 2017
  11. 11Gut Revolution (Part 2)October 24, 2017
  12. 12TwinsOctober 31, 2017
  13. 13The Secret to Making Better DecisionsJanuary 30, 2018
  14. 14Farmer Needs A RobotFebruary 6, 2018
  15. 15Back to the MoonFebruary 13, 2018
  16. 16Gut Revolution Victoria's StoryFebruary 20, 2018
  17. 17Sleep MattersFebruary 27, 2018