Season 22 - Episode Guide

The koala is a national icon on the path to extinction. Professor Tim Flannery investigates the story behind the headlines, meeting researchers working to understand the threats koalas face, and how we can avoid them.

Astrophysicist Professor Tamara Davis and astronomer Greg Quicke meet the Australian scientists on a mission to solve the many challenges of putting people on the red planet.

Astrophysicist Professor Tamara Davis and beloved astronomer Greg Quicke explore a question we've longed to answer - Is there life on Mars?

Australia is home to 66 venomous species - some are so lethal they can kill a human in thirty minutes. But within the deadly cocktail of their venom, lies a potential pharmacy of drugs that could save your life. (Final)

Medical advances in treating cancer are allowing people to live longer with their disease and maintain quality of life throughout their treatment. Catalyst follows patients experiencing this new kind of cancer care.

Intermittent fasting is growing in popularity. To better understand the benefits and impacts of these diets on our bodies, dietician, and fasting sceptic, Dr Joanna McMillan tracks 5 Australians fasting over 6 weeks.

Australia is home to over a million species of plants and animals, but we're losing them at an alarming rate. In this race against time, Dr Ann Jones explores how technology can help protect our wildlife in bold new ways.

Dr Niraj Lal meets the Australians leading the biggest change to the electricity grid in a century: the rise of renewable energy. Along the way he explores new technologies keeping the power on now and in the future.

How much could a doctor change your life if they saw how you lived? In a Catalyst special, Dr Preeya Alexander meets a couple who are on the march towards Type 2 Diabetes and their fussy eating son. Preeya prescribes lifestyle interventions to shape the path forward.

How much could a doctor change your life if they saw how you lived? In this two-part series GP Dr Preeya Alexander leaves her surgery and meets two families in their homes. Over 8 weeks she reshapes their lives - not with medication but with lifestyle medicine, tackling chronic pain and anxiety.

Lily Serna explores the strange world of sensory perception, using magic and illusions to reveal the difference between how we perceive the world - and reality.