In all my years of journalism, there is one story that's stuck with me. Twenty years ago I was out bush chatting to diamond explorers about a heist that happened in the remote Kimberley region of Western Australia. I couldn't believe it when some of these diamonds recently turned up in my hometown of Perth. Buckle in because it seems everyone wants to know more about what really went on, even those that had a front-row seat.

01 Pink Diamond Heist | The Argyle Intrigue

Season three of Expanse dives into the murky world of spies, lies and secrets that surrounds the most secretive place in Australia.

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Host Alex Barwick hears just how far Pine Gap’s reach is today, uncovers the secrets of stolen land and explores what it means for Australia to have a spy base hidden in the heart of the country.

05 Spies in the Outback | The secrets of Pine Gap

The Cold War has finally ended but Pine Gap, or ‘The Base’ as it’s become known, is expanding and it’s getting involved in conflicts across the world. Host Alex Barwick finally goes inside Pine Gap and meets a spy who has spent years working within the perimeter.

04 Spies in the Outback | The spy who loved Alice

Nuclear fear prompts thousands to flood to Alice Springs in the 1980s to try and close Pine Gap and reveal its secrets. This time the woman are in charge and they don't want Australia involved in nuclear war.

03 Spies in the Outback | The women get wild

As the Cold War enters the 70s, it becomes clear that Pine Gap is really a spy base with eyes on the Soviets – and it's putting Alice Springs in the nuclear crosshairs.

02 Spies in the Outback | Politics, pressure and protest

In the grip of a crippling drought in the 1960s, Alice Springs sees an economic lifeline when America promises to build a 'space base' on the edge of town. But once Pine Gap's bizarre, oversized golf ball-like structures are finally built, mysterious things start happening - the 'space base' isn't quite what it seems.

01 Pink Diamond Heist | The Argyle Intrigue

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