DocumentaryNewsABC TV

The Best Episodes of Catalyst Season 21

Every episode of Catalyst Season 21 ranked from best to worst. Discover the Best Episodes of Catalyst Season 21!

Episode Rankings

  1. #1 Fan Favorite
    Catalyst Season 21 Episode 1 - How Food Works (Part 1)
    0.0/10(0 votes)
    S21:E1

    In a two part special, chef Paul West, dietician Professor Clare Collins and chemist Dr Noby Leong reveal the delicious chemistry, biology and physics hidden inside the foods we love, so we can cook better and eat healthier.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  2. Catalyst Season 21 Episode 2 - How Food Works (Part 2)
    0.0/10(0 votes)
    S21:E2

    Paul explores the science behind cryogenic freezing and how it's being used to ensure frozen fish tastes almost as good as fresh. In a gelato factory, Clare gets the scoop on why humans are hard-wired to desire junk food.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  3. Catalyst Season 21 Episode 3 - Teeth Clinic
    0.0/10(0 votes)
    S21:E3

    Catalyst sets up a pop-up dental clinic in Western Sydney to investigate Australia's most common dental complaints, uncovering the tips to keep your mouth healthy and revealing surprising secrets behind a beautiful smile.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Catalyst Season 21 Episode 4 - Asteroid Hunters
    0.0/10(0 votes)
    S21:E4

    Asteroids are an ever-present threat to our survival, but as Astrophysicist Professor Tamara Davies discovers - they may also be responsible for kickstarting life on Earth.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  5. Catalyst Season 21 Episode 5 - Building Greener Cities
    0.0/10(0 votes)
    S21:E5

    As our populations grow, cities are under increasing pressure. Physicist Dr Niraj Lal explores engineering solutions designed to make our cities cleaner, greener and more efficient places to live.

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  6. Catalyst Season 21 Episode 6 - Kill or Cure? The Story of Venom
    0.0/10(0 votes)
    S21:E6

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

    Director:Unknown
    Writer:Unknown

    Be the first to start the conversation for this episode

  7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Catalyst

    READ

Season 21 Ratings Summary

"How Food Works (Part 1)" is the best rated episode of Catalyst season 21. It scored 0.0/10 from 0 votes. Written and directed by Unknown, it aired on April 14, 2020.