When did Catalyst Season 18 Episode 16 air?
Catalyst Season 18 Episode 16 aired on February 20, 2018.


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.

Nutrition Scientist Dr Joanna McMillan takes on her most challenging case as she battles to help Victoria recover from debilitating anxiety & gut pains, using emerging science showing links between gut bacteria & the brain.
Direct answers for episode-level questions and details.
Catalyst Season 18 Episode 16 aired on February 20, 2018.
This episode runs for approximately 60 minutes.
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