When did Catalyst Season 22 Episode 1 air?
Catalyst Season 22 Episode 1 aired on February 16, 2021.


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.

The koala is a national icon on the path to extinction. Professor Tim Flannery investigates the story behind the headlines, meeting researchers working to understand the threats koalas face, and how we can avoid them.
Direct answers for episode-level questions and details.
Catalyst Season 22 Episode 1 aired on February 16, 2021.
This episode runs for approximately 56 minutes.
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