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The Best Episodes of Catalyst Season 23

Every episode of Catalyst Season 23 ranked from best to worst. Discover the Best Episodes of Catalyst Season 23!

Binge this in 5h 45m•Peaking at 8.0/10

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 23 Episode 1 - The Secret Lives of Our Urban Birds
    0.0/10(0 votes)

    #1 - The Secret Lives of Our Urban Birds

    S23:E1

    Nature journalist and self-confessed bird-nerd, Ann Jones, heads out on an urban safari through Melbourne, uncovering the secret lives of the city's feathery friends.

    Director:Unknown
    Writer:Unknown

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  2. Catalyst Season 23 Episode 2 - The Big Brew Challenge
    0.0/10(0 votes)

    #2 - The Big Brew Challenge

    S23:E2

    Celebrate the science of beer with chef Paul West, as three teams of budding brewmasters take on the challenge to make their best homebrew. But do they have what it takes to impress our panel of international judges?

    Director:Unknown
    Writer:Unknown

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  3. Catalyst Season 23 Episode 3 - Miracle Babies: Operation Hope
    0.0/10(0 votes)

    #3 - Miracle Babies: Operation Hope

    S23:E3

    This intimate look at the awe-inspiring world of fetal surgery is a story of hope and trailblazing medicine. Follow pioneering doctors as they help parents face agonising decisions about their baby's future.

    Director:Unknown
    Writer:Unknown

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  4. Catalyst Season 23 Episode 4 - Forever Young? The Rise of Injectables
    7.0/10(1 votes)

    #4 - Forever Young? The Rise of Injectables

    S23:E4

    Australians spend over a billion dollars on injectable treatments annually and clients seeking "tweakments" are getting younger. We explore the psychology behind this trend and the consequences of pursuing perfection.

    Director:Unknown
    Writer:Unknown

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  5. Catalyst Season 23 Episode 5 - Solar Storms: A Warning from Space
    0.0/10(0 votes)

    #5 - Solar Storms: A Warning from Space

    S23:E5

    Solar storms, eruptions from the Sun with the power of 20 nuclear bombs, have the potential to hit earth in just two days. A direct hit would obliterate our technology from satellites to smart phones. We need advance warning.

    Director:Unknown
    Writer:Unknown

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  6. Catalyst Season 23 Episode 6 - The Science of Relationships
    8.0/10(1 votes)

    #6 - The Science of Relationships

    S23:E6

    The happiest 50-year-olds are living to be the healthiest 80-year-olds. Their secret? Relationships. Lily Serna explores how to live a healthier and more satisfying life through the science of our social connections.

    Director:Unknown
    Writer:Unknown

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    The 20 BEST Episodes of Catalyst

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Season 23 Ratings Summary

"The Secret Lives of Our Urban Birds" is the best rated episode of "Catalyst" season 23. It scored /10 based on 0 votes. Directed by Unknown and written by Unknown, it aired on 2/1/2022. This episode is rated 0.0 points higher than the second-best, "The Big Brew Challenge".