When did Catalyst Season 20 Episode 2 air?
Catalyst Season 20 Episode 2 aired on February 19, 2019.


Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.

Catalyst brings together 15 ordinary Australians to take part in a revealing scientific experiment - to see if practicing mindfulness can help treat conditions like chronic pain, anxiety and stress that affect millions of us.
Direct answers for episode-level questions and details.
Catalyst Season 20 Episode 2 aired on February 19, 2019.
This episode runs for approximately 30 minutes.
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