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Catalyst

Catalyst

2014Returning Series10 Seasons164 EpisodesTMDB
ABC TV

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.

Season 22 Episodes

Browse every episode and jump into details.

Episode 1: Are We Killing Our Koalas?

Feb 16, 2021 · 56m

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.

Episode 2: Mars: Our Second Home?

Feb 23, 2021 · 59m

In the first of a two-part special, astrophysicist Professor Tamara Davis and astronomer Greg Quicke meet the Australian scientists on a mission to solve the many challenges of putting people on the red planet.

Episode 3: Mars: The Hunt For Life

Mar 2, 2021 · 58m

In this second episode of Catalyst's Mars special, astrophysicist Professor Tamara Davis and beloved astronomer Greg Quicke explore a question we've longed to answer - is there life on Mars?

Episode 4: Kill or Cure: The Story of Venom

Mar 9, 2021 · 56m

Australia is home to 66 venomous species - some are so lethal they can kill a human in thirty minutes. But within the deadly cocktail of their venom, lies a potential pharmacy of drugs that could save your life.

Episode 5: Cancer: A Story of Hope

Jul 20, 2021 · 1h 2m

It's a diagnosis we all dread but with advances in technology and medicine, more people are living better and longer with cancer. We follow patients experiencing this new kind of care - their stories are filled with hope.

Episode 6: The Truth About Fasting

Jul 27, 2021 · 58m

Intermittent fasting is growing in popularity, and aside from weight loss, there are claims it can improve our health. Dietician Dr Joanna McMillan tracks 5 people fasting to understand the benefits and impacts on our bodies.

Episode 7: The Wildlife Revolution

Aug 3, 2021 · 1h 1m

Australia is home to over a million species of plants and animals, but we're losing them at an alarming rate. In this race against time, Dr Ann Jones explores how technology can help protect our wildlife in bold new ways.

Episode 8: The Grid: Powering the Future

Aug 10, 2021 · 1h

Dr Niraj Lal meets the Australians leading the biggest change to the electricity grid in a century: the rise of renewable energy. Along the way he explores new technologies keeping the power on now and in the future.

Episode 9: Doctor at the Door: The McClellands

Aug 17, 2021 · 59m

How much could a doctor change your life if they saw how you lived? In a Catalyst special, Dr Preeya Alexander prescribes lifestyle interventions for a couple headed towards Type 2 Diabetes, and their fussy eating son.

Episode 10: Doctor at the Door: The Kulkarnis

Aug 24, 2021 · 56m

How much could a doctor change your life if they saw how you lived? In this two-part series GP Dr Preeya Alexander leaves her surgery and meets two families in their homes. Over 8 weeks she reshapes their lives - not with medication but with lifestyle medicine, tackling chronic pain and anxiety.

Season 22 FAQ

Quick answers about this season's release timeline and episode lineup.

When did Catalyst Season 22 premiere?

Catalyst Season 22 premiered on February 16, 2021.

How many episodes are in Catalyst Season 22?

Catalyst Season 22 has 11 episodes.

What is the first episode of Catalyst Season 22?

The season opens with Season 22 Episode 1, "Are We Killing Our Koalas?". It aired on February 16, 2021.

Go to Season 22 Episode 1

Where to Watch

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