564 Episodes

  1. James O'Brien's Mystery Hour

    Published: 11/3/2016
  2. DNA is it exactly 50/50?

    Published: 10/20/2016
  3. Do animals learn to run faster?

    Published: 10/13/2016
  4. A special charity mystery hour - featuring Jones 'The Engineer'

    Published: 10/7/2016
  5. Aled Jones makes a surprise appearance on Mystery Hour

    Published: 10/6/2016
  6. Why do my headphones get tangled up?!

    Published: 9/29/2016
  7. How are the letters on bus stops decided?

    Published: 9/22/2016
  8. How do the police name their operations?

    Published: 9/15/2016
  9. When does a Master become a Mr?

    Published: 9/8/2016
  10. Why are nurseries called nurseries?

    Published: 9/1/2016
  11. Can a swan break your arm?

    Published: 8/25/2016
  12. Food fads - how do they come about?

    Published: 8/18/2016
  13. Why are all bubbles white?

    Published: 8/12/2016
  14. Another Mystery Hour With Many Belly Laughs

    Published: 7/29/2016
  15. Why did my water freeze?

    Published: 7/21/2016
  16. James O'Brien's Mystery Hour - 14 Jul 16

    Published: 7/14/2016
  17. Why is there a Pineapple on the top of the Wimbledon trophy?

    Published: 7/7/2016
  18. Why do birds stand on one leg?

    Published: 6/23/2016
  19. How do you know not to fall out of bed?!

    Published: 6/16/2016
  20. James O'Brien's Mystery Hour - 9 Jun 16

    Published: 6/9/2016

19 / 29

If you've ever wondered "why", then this is the hour for you. Sometimes simple, sometimes intelligent, but almost always entertaining, probably the best hour of radio you could ever download!