Catalyst - Season 21

Season 21

Episodes

How Food Works (Part 1)
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.

How Food Works (Part 2)
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.

Teeth Clinic
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.

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

Building Greener Cities
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.
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The Assassin
Secluded on a remote Greek island, retired assassin Julie has a somewhat thorny reunion with her estranged son, Edward, visiting from England. Armed with questions around new information on his paternity, Edward battles to find the right time to speak to his frustratingly distant mother. But, when the moment finally presents itself, things take a deadly turn as Julie's dangerous past catches up with her and they are forced to flee the island and go on the run together.
Edward's quest for truth clashes with Julie's secrecy whilst they are forced to work together in a fight for survival, testing their dysfunctional relationship to its limits. Amid uncovering a dark conspiracy they believe to be their only threat, a greater danger emerges that will destroy their relationship entirely. In a race against time, Julie fights to save Edward and salvage their relationship as past and present collide in a showdown across the globe…

Rick and Morty
Rick is a mentally gifted, but sociopathic and alcoholic scientist and a grandfather to Morty; an awkward, impressionable, and somewhat spineless teenage boy. Rick moves into the family home of Morty, where he immediately becomes a bad influence.
