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The Best Episodes of Catalyst

Every episode of Catalyst ranked from best to worst. Let's dive into the Best Episodes of Catalyst!

Binge this in 3d 23h•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
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    Catalyst Season 23 Episode 6 - The Science of Relationships
    8.0/10(1 votes)

    #1 - 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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  2. Catalyst Season 18 Episode 4 - The Day The Dinosaurs Died
    7.8/10(6 votes)

    #2 - The Day The Dinosaurs Died

    S18:E4

    66 million years ago an asteroid hit the planet. Now an expedition is underway to drill 1500m into the crater it created - the Chicxulub asteroid impact crater, aiming to unearthing the secrets that killed the dinosaurs.

    Director:Unknown
    Writer:Unknown

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

    #3 - 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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  4. Catalyst Season 1 Episode 1 - Jane Goodall
    0.0/10(0 votes)

    #4 - Jane Goodall

    S1:E1

    Meet Dr. Jane Goodall DBE, world-renowned primatologist, humanitarian, conservationist and UN Messenger of Peace.

    Director:Unknown
    Writer:Unknown

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  5. Catalyst Season 1 Episode 2 - Shark Behavior
    0.0/10(0 votes)

    #5 - Shark Behavior

    S1:E2

    Do sharks have friends? Watch and see if there is actually anything to study when we look at the "social behavior" of sharks off the coast of New South Wales, Australia!

    Director:Unknown
    Writer:Unknown

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  6. Catalyst Season 1 Episode 3 - Virtual Universe
    0.0/10(0 votes)

    #6 - Virtual Universe

    S1:E3

    Wouldn't it be wonderful if you could just sit and watch a movie about the universe and see how everything unfolded? Thanks to a new scientifically accurate computer simulation called the Illustris, which models a part of the universe, a cube 350 million light years across, you can!

    Director:Unknown
    Writer:Unknown

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    7. Trending NowTRENDING NOW

    The 20 WORST Episodes of Catalyst

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  7. Catalyst Season 1 Episode 4 - Polar People
    0.0/10(0 votes)

    #7 - Polar People

    S1:E4

    Each year, over 2000 people apply for jobs in Antarctica, but few are successful. What are the physical and psychological attributes required to work in the most remote location on Earth? Could you snag a job in sub-zero temperatures at an Antarctic station?

    Director:Unknown
    Writer:Unknown

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  8. Catalyst Season 1 Episode 5 - Voyager
    0.0/10(0 votes)

    #8 - Voyager

    S1:E5

    Take a look at the Voyager unmanned space probes launched in the 1970's -- and where they are now after 36 years of travel! Voyager I is the furthest travelled man made object in space. What are the missions finding in the distant universe?

    Director:Unknown
    Writer:Unknown

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  9. Catalyst Season 1 Episode 6 - Wings Of Wonder
    0.0/10(0 votes)

    #9 - Wings Of Wonder

    S1:E6

    Titanium implants are a favorite among surgeons. They're light, durable and strong and readily accepted by the human body. But with each surgery comes a small but potentially deadly risk - infection through the introduction of bacteria. How can they design implants to resist bacterial infection?

    Director:Unknown
    Writer:Unknown

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  10. Catalyst Season 1 Episode 7 - Sun's Lost Siblings
    0.0/10(0 votes)

    #10 - Sun's Lost Siblings

    S1:E7

    In a family reunion like no other, astronomers reunite our sun with her long lost sibling. Dr Graham Phillips meets the new relative and explores its similarities with our sun. Could it even have planets, like our solar system, and be another home for life?

    Director:Unknown
    Writer:Unknown

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  11. Catalyst Season 1 Episode 8 - Super Solar Cells
    0.0/10(0 votes)

    #11 - Super Solar Cells

    S1:E8

    Dr Graham Phillips investigates new technology that is able to convert more than 40 per cent of the sun's light into electricity. This is more than double the efficiency of today's domestic rooftop solar panels, and could eventually lead to cheaper sources of renewable energy.

    Director:Unknown
    Writer:Unknown

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  12. Catalyst Season 1 Episode 9 - Our Chemical Lives
    0.0/10(0 votes)

    #12 - Our Chemical Lives

    S1:E9

    Thousands of chemicals are used in everyday products – in our water, our food and in the air we breathe. It’s the chemical soup of modern life and it’s virtually impossible to escape them. Is there adequate regulation and testing, or are we in the midst of an uncontrolled, human experiment?

    Director:Unknown
    Writer:Unknown

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  13. Catalyst Season 1 Episode 10 - Antivenom
    0.0/10(0 votes)

    #13 - Antivenom

    S1:E10

    Good to know as you travel to the Antipodes - Australia has the most venomous snakes and spiders in the world. But, if you’re bitten, can you rely on anti-venom? Dr Graham Phillips investigates the effectiveness of anti-venom.

    Director:Unknown
    Writer:Unknown

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  14. Catalyst Season 1 Episode 11 - Powering The Mind
    0.0/10(0 votes)

    #14 - Powering The Mind

    S1:E11

    What is memory? How do our memories change from childhood to adulthood? How we can build up greater brain reserves to power our mind into old age? Brain epigenetics, how the expression of our DNA can be changed by our experiences, is an intriguing new area of science with huge health implications.

    Director:Unknown
    Writer:Unknown

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  15. Catalyst Season 1 Episode 12 - Alien Technology
    0.0/10(0 votes)

    #15 - Alien Technology

    S1:E12

    Is there anyone out there? Does the popular movie quote 'ET phone home' have any substance? Astronomers have been pointing their radio telescopes at the skies for decades trying to pick up alien signals. Hitch a ride as we join astronomers trawling through the galaxy looking for signs of life.

    Director:Unknown
    Writer:Unknown

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  16. Catalyst Season 1 Episode 13 - 3D Virus
    0.0/10(0 votes)

    #16 - 3D Virus

    S1:E13

    How can a supercomputer can help researchers to a better understanding of the poliovirus at an atomic level? This has implications for understanding and eradicating deadly diseases worldwide.

    Director:Unknown
    Writer:Unknown

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  17. Catalyst Season 1 Episode 14 - Future Cities
    0.0/10(0 votes)

    #17 - Future Cities

    S1:E14

    It's amazing to think that in the 1900s a mere tenth of the world's population lived and worked in cities. Now it is over half. With soaring populations, how will we keep our cities live-able? And what will the city of tomorrow look like?

    Director:Unknown
    Writer:Unknown

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  18. Catalyst Season 1 Episode 15 - Quantum Computing
    0.0/10(0 votes)

    #18 - Quantum Computing

    S1:E15

    The promise of quantum computers is that what would otherwise take a billion years to calculate, could be done in a few seconds. First-generation quantum computers have started to appear. Indeed, earlier this year, Google bought one, The D-Wave 2. How will this advance change our future lives?

    Director:Unknown
    Writer:Unknown

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  19. Catalyst Season 1 Episode 16 - Peacock Spider
    0.0/10(0 votes)

    #19 - Peacock Spider

    S1:E16

    Think spiders aren't beautiful? Then think again! The colorful and beautiful jumping Peacock Spider, native to Australia, will change your mind.

    Director:Unknown
    Writer:Unknown

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  20. Catalyst Season 1 Episode 17 - Allergy Pill
    0.0/10(0 votes)

    #20 - Allergy Pill

    S1:E17

    In the western world there’s an epidemic of allergies. Could it be that our lifestyles are too clean? And that we’re not exposing ourselves to bugs that help build our immune systems? Is there bacteria that is good for us?

    Director:Unknown
    Writer:Unknown

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  21. Catalyst Season 1 Episode 18 - Cardiac Implants
    0.0/10(0 votes)

    #21 - Cardiac Implants

    S1:E18

    There’s no doubt that cardiac implants or stents save lives. They unblock arteries to prevent heart attacks. But because the body treats stents as foreign, the risk of blood clots is ever present. How can we coat the stents in order to stop the rejections?

    Director:Unknown
    Writer:Unknown

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  22. Catalyst Season 1 Episode 19 - Honey Bees
    0.0/10(0 votes)

    #22 - Honey Bees

    S1:E19

    It seems that the bee population crisis is intricately tied to the way we have changed our planet. Catalyst investigates how modern agriculture methods, increasing diseases and the impending threat of the deadly varroa mite could destroy the last safe-haven for bees on the planet, Australia.

    Director:Unknown
    Writer:Unknown

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  23. Catalyst Season 1 Episode 20 - Extreme Weather
    0.0/10(0 votes)

    #23 - Extreme Weather

    S1:E20

    This special report looks at the domino effect of environmental and atmospheric factors that drive the globe to wetter, hotter, drier and colder extremes.

    Director:Unknown
    Writer:Unknown

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  24. Catalyst Season 1 Episode 21 - Fast Food For Hummingbirds
    0.0/10(0 votes)

    #24 - Fast Food For Hummingbirds

    S1:E21

    By building see-through flowers, researchers at the University of Connecticut have captured high-speed, high-magnification images of the remarkable tongue of the Hummingbird. And they've revealed that previously held theories about the diminutive birds are wrong!

    Director:Unknown
    Writer:Unknown

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  25. Catalyst Season 1 Episode 22 - Ancient Writing
    0.0/10(0 votes)

    #25 - Ancient Writing

    S1:E22

    Cuneiform documents in clay cover everything from political affairs to economic practices, from 3400BC right up to the time of Christ. But can modern technology unwrap clay envelopes so that archaeologists can preserve the artifact but see the letter inside? Watch and see!

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"The Science of Relationships" is the best rated episode of "Catalyst". It scored 8/10 based on 1 votes. Directed by Unknown and written by Unknown, it aired on 8/9/2022. This episode scored 0.2 points higher than the second highest rated, "The Day The Dinosaurs Died".