Expanse

By ABC AustraliaSociety & Culture Documentary History

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Expanse episodes

June 18 UPDATE | Expanse: The Nannup Four - Hope on the horizon
Host of season 6, Expanse: The Nannup Four, Dominique Bayens has been following the developments of the case of four people who disappeared from the isolated town of Nannup.
14 min
April 27 Behind the scenes | S6 host Dominique Bayens in conversation
What goes into making a season of Expanse? What considerations are made when telling the stories of people's lives? Host of Expanse: The Nannup Four, Dominique Bayens, sits down with fellow podcast host Phil Vine to take you behind the curtain.
21 min
April 20 BONUS | Inside the Nannup Four police investigation
It has been months in the making, but police are opening up the files on the missing Nannup Four for Expanse host Dominique Bayens, and there's news on another search.
27 min
April 13 BONUS | Who was Tony Popic?
Since the podcast started rolling out, a lot of people have got in touch with information. Two people have been able to shed light on some previously unknown parts of the story.
25 min
April 06 06 Expanse: The Nannup Four | Northcliffe
A family friend and former policeman continues to search for answers for Jim and Cath McDougall decades after the Nannup four vanished. The family and friends of Chantelle McDougall try to find their own answers, as one last glimmer of hope emerges.
36 min
March 30 05 Expanse: The Nannup Four | Simon says
Jim and Cath McDougall are left reeling as the true depth of Simon Kadwill’s deception is revealed. Dominique tracks down people from his past, and hears from someone who has never spoken before who provides a startling insight into how Simon might have ended up on the path he did.
37 min
March 23 04 Expanse: The Nannup Four | A question of belief
Tony Popic is talking about an end of days, Simon is seeing spirits and Chantelle is forced into a difficult decision as increasingly troubling hints something's not right come to light.
35 min
March 16 03 Expanse: The Nannup Four | Down the rabbit hole
Dominique travels across the country to meet the two people who might be able to help her understand how Chantelle came to be living a reclusive life in a hidden corner of Western Australia, alongside a self-styled spiritual guru 18 years her senior.
34 min
March 09 02 Expanse: The Nannup Four | Selling snake oil
A chance encounter in the streets of Melbourne in 1998 leaves a friend wondering what Chantelle McDougall has been pulled into. Dominique hears about the escalating pattern of control Simon Kadwill exercises over Chantelle.
If you can add to this story, or have information you think might be important, please get in touch by emailing [email protected].
In this episode, we cover topics like:
Chantelle McDougall and her daughter 5-year-old Leela vanished from Nannup, Western Australia in 2007, while entwined in the "Truth Fellowship" cult.
Who are the missing people who disappeared into this cult?
The baffling mystery of a cult Nannup family of four who disappeared in 2007. What happened to them?
Four people who were part of an online doomsday cult disappeared from a small Australian town.
The 2007 disappearances of the "Truth Fellowship" Cult: Simon Kadwill, 45, Chantelle McDougall, 27, Leela McDougall, 5, and Tony Popic, 40
Missing people who have disappeared into cults?
Baffling mystery of a cult Nannup family of four who disappeared in 2007. What happened to them?
How can four people just vanish? Odd tales emerge in Nannup case.
31 min
March 02 01 Expanse: The Nannup Four | The people in the blue house
When three adults and a child disappear without a trace from the isolated bush community of Nannup in 2007, it sparks disturbing theories about what might have happened. What was going on in the little blue house, and could understanding that hold the key to the disappearance?
Host Dominique Bayens starts unpicking the rumours of cults, hidden identities and bizarre behaviour.
If you can add to this story, or have information you think might be important please get in touch by emailing [email protected].
In this episode we cover topics like:
Chantelle McDougall and her daughter 5 year old Leela vanished from Nannup, Western Australia in 2007, while entwined in the "Truth Fellowship" cult.
Who are the missing people who disappeared into this cult?
The baffling mystery of a cult Nannup family of four who disappeared in 2007. What happened to them?
Four people who were part of an online doomsday cult disappeared from a small Australian town.
The 2007 disappearances of the "Truth Fellowship" Cult: Simon Kadwill, 45, Chantelle McDougall, 27, Leela McDougall, 5, and Tony Popic, 40
Missing people who have disappeared into cults?
Baffling mystery of a cult Nannup family of four who disappeared in 2007. What happened to them?
How can four people just vanish? Odd tales emerge in Nannup case
31 min

About Expanse

From the publisher's feed

Season 6 Expanse: The Nannup Four with Dominique Bayens

In 2007 four people disappeared from a blue farmhouse on the outskirts of the Western Australian town of Nannup, leaving behind the scatterings of a life, a note pinned to the door and a question: was the disappearance a choice… or murder?

As police and family try to piece the puzzle together to find the Nannup Four, what emerges is a bizarre story of secrets, hidden identities and rumours of a dark online cult.

In season six of ABC's award-winning Expanse podcast, host Dominique Bayens investigates the unsettling circumstances around the disappearance, speaking to the people left behind - who still question what they could have done differently.

Because when something like this happens, and you're left staring back, how do you live with the choices you've made?

Expanse is an internationally award-winning podcast that explores big stories from across Australia — a vast continent where anything can happen.

In Series 5: Nowhere Man, Erin Parke followed the story of a young American who dumped his bicycle and walked out into the Great Sandy Desert in remote northern Australia. He was an Alaskan firefighter, seemingly with everything to live for. So why did he risk it all to go into the wilderness alone? And how do you search for someone who doesn't want to be found?

In Series 4: Uncropped, host Danielle O'Neal goes from a mosquito-laden lagoon in far north Queensland to the Australian government's classified UFO files, to the US Congress as she seeks to understand what happened, its legacy and why believable people say seemingly unbelievable things.

Spies in the Outback (Series 3) won the Excellence in Radio Broadcasting award at the Northern Territory Media Awards in 2024 for the story of Pine Gap, a secret US/Australian defence base hidden in the outback.

From the Dead (Series 2) won silver in the Documentary: History category at the New York Radio Festival awards. It delves into a wild tale of survival at sea off Tasmania's rugged southwest coast.

Pink Diamond Heist (Series 1) was shortlisted in the New York Radio Awards, Documentary: History category. This season takes you on a rollicking ride through Western Australia on the trail of a diamond heist.