When did Catalyst Season 18 Episode 5 air?
Catalyst Season 18 Episode 5 aired on September 12, 2017.


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.

Heart surgeon Dr Nikki Stamp takes us into the amazing world of our hearts - revealing how they function, how can we look after them and shows us the latest science she uses to help fix them when they go wrong.
Direct answers for episode-level questions and details.
Catalyst Season 18 Episode 5 aired on September 12, 2017.
This episode runs for approximately 58 minutes.
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