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The Best Episodes of Catalyst Season 22

Every episode of Catalyst Season 22 ranked from best to worst. Discover the Best Episodes of Catalyst Season 22!

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.

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Episode Rankings

  1. #1 Fan Favorite
    Catalyst Season 22 Episode 1 - Are We Killing Our Koalas?
    0.0/10(0 votes)

    #1 - Are We Killing Our Koalas?

    S22:E1

    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.

    Director:Unknown
    Writer:Unknown

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  2. Catalyst Season 22 Episode 2 - Mars: Our Second Home?
    0.0/10(0 votes)

    #2 - Mars: Our Second Home?

    S22:E2

    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.

    Director:Unknown
    Writer:Unknown

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  3. Catalyst Season 22 Episode 3 - Mars: The Hunt For Life
    0.0/10(0 votes)

    #3 - Mars: The Hunt For Life

    S22:E3

    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?

    Director:Unknown
    Writer:Unknown

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  4. Catalyst Season 22 Episode 4 - Kill or Cure: The Story of Venom
    0.0/10(0 votes)

    #4 - Kill or Cure: The Story of Venom

    S22:E4

    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.

    Director:Unknown
    Writer:Unknown

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  5. Catalyst Season 22 Episode 5 - Cancer: A Story of Hope
    0.0/10(0 votes)

    #5 - Cancer: A Story of Hope

    S22:E5

    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.

    Director:Unknown
    Writer:Unknown

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  6. Catalyst Season 22 Episode 6 - The Truth About Fasting
    0.0/10(0 votes)

    #6 - The Truth About Fasting

    S22:E6

    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.

    Director:Unknown
    Writer:Unknown

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  7. Catalyst Season 22 Episode 7 - The Wildlife Revolution
    0.0/10(0 votes)

    #7 - The Wildlife Revolution

    S22:E7

    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.

    Director:Unknown
    Writer:Unknown

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  8. Catalyst Season 22 Episode 8 - The Grid: Powering the Future
    0.0/10(0 votes)

    #8 - The Grid: Powering the Future

    S22:E8

    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.

    Director:Unknown
    Writer:Unknown

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  9. Catalyst Season 22 Episode 9 - Doctor at the Door: The McClellands
    0.0/10(0 votes)

    #9 - Doctor at the Door: The McClellands

    S22:E9

    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.

    Director:Unknown
    Writer:Unknown

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  10. Catalyst Season 22 Episode 10 - Doctor at the Door: The Kulkarnis
    0.0/10(0 votes)

    #10 - Doctor at the Door: The Kulkarnis

    S22:E10

    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.

    Director:Unknown
    Writer:Unknown

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  11. Catalyst Season 22 Episode 11 - Magic and the Brain: The Science of Illusion
    0.0/10(0 votes)

    #11 - Magic and the Brain: The Science of Illusion

    S22:E11

    Lily Serna explores the strange world of sensory perception, using magic and illusions to reveal the difference between how we perceive the world - and reality.

    Director:Unknown
    Writer:Unknown

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Season 22 Ratings Summary

"Are We Killing Our Koalas?" is the best rated episode of "Catalyst" season 22. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 2/16/2021. This episode is rated 0.0 points higher than the second-best, "Mars: Our Second Home?".