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Where To Watch Catalyst Season 20

  1. 1The Great Australian Bee Challenge (Part 1)January 30, 2019
  2. 2The Great Australian Bee Challenge (Part 2)February 5, 2019
  3. 3Allergy ClinicFebruary 12, 2019
  4. 4The Truth About MindfulnessFebruary 19, 2019
  5. 5Black Hole HuntersFebruary 26, 2019
  6. 6Staying Younger For Longer BodyAugust 13, 2019
  7. 7Staying Younger For Longer BrainAugust 20, 2019
  8. 8Should I Risk It?October 8, 2019
  9. 9Face Surgeons Inside The Craniofacial UnitOctober 15, 2019
  10. 10Broken MirrorOctober 22, 2019