Season 20

Season 20, Episode 9 - Face Surgeons: Inside The Craniofacial Unit

4.0 5 x
For 6 weeks, Catalyst was given unprecedented access to an incredible unit that performs some of the most complex and specialised craniofacial surgery in the world to help rebuild people's faces and lives.

Season 20, Episode 6 - Staying Younger For Longer: Body

4.2 6 x
Ian Henderson, the retired and much loved ABC newsreader, sets out on a quest to find the secret to ageing healthily, and along the way uncovers some amazing new science that could benefit us all.

Season 20, Episode 5 - Black Hole Hunters

4.0 8 x
Professor Tamara Davis meets the scientists on a quest to hunt down black holes, the journey has brought us to the cusp of an unprecedented milestone in scientific achievement - to photograph a black hole for the first time.

Season 20, Episode 4 - The Mindfulness Experiment

4.0 4 x
Catalyst brings together 15 ordinary Australians to take part in a revealing scientific experiment - to see if practicing mindfulness can help treat conditions like chronic pain, anxiety and stress that affect millions of us.

Season 20, Episode 3 - Allergy Clinic

4.7 9 x
With Australia in the grip of an allergy epidemic, we set up a pop-up clinic to understand why so many of us are suffering from these conditions and reveal the latest science about what we can do to treat and prevent them.
Season 19

Season 19, Episode 3 - Feeding Australia (part 2) A Sustainable Future

4.0 31 x
We're a nation with a big appetite and as the population moves towards 40 million it's only going to get bigger. Paul West, Professor Clare Collins and Dr Noby Leong reveal how technology is set to transform food production.

Season 17, Episode 36 (Plain Of Jars / Tiny Satellites)

4.0 12 x
South East Asia's Plain of Jars is an archaeological enigma. Who carved these megalithic stone jars & what were they used for? Plus Space is being invaded by a new breed of cheap satellites, smaller than a loaf of bread.

Season 17, Episode 35 (Coral Bleaching)

4.0 5 x
In this confronting special, Catalyst explores the lethal threat of coral bleaching to the Great Barrier Reef, and the challenges we all face to protect this global treasure.

Season 17, Episode 34 (Forensic Future / Alien Megastructure)

3.0 14 x
Catalyst investigates how cutting edge forensics together with developments in DNA testing are working towards putting a face to the nameless. Plus the massive megastructure puzzling astrophysicists - could it be alien-built?

Season 17, Episode 33 (Hidden Secrets Of Art / Out Of Africa)

3.0 4 x
Catalyst goes behind the scenes at the NGV to see how scientists are revealing hidden secrets behind acclaimed artwork. Plus we revisit what genomicist Professor Vanessa Hayes discovered about the origins of modern society.