1. Action Stations

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. 12 August 2020. 51 min

The show kicks off with a dynamic taster of what the series has in store - namely the inside story of a crack team building a trailblazing, fully-automated metro system costing $50 billion.

2. What Lies Beneath

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. 19 August 2020. 51 min

We check in on our engineers encountering all manner of issues tunnelling through a minefield of existing infrastructure - skyscraper footings and basements, sewers, a graveyard, and rail tunnels.

3. Digging Deep

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. 2 September 2020. 50 min

Another super challenge looms, perhaps the greatest of the entire project - digging two tunnels beneath Sydney Harbour.

4. Fast Tracked

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. 9 September 2020. 50 min

We follow architect Ross de la Motte, seeing that his vision for the stations has finally come to light. He has gone to great lengths to design stations that benefit from natural light and airflow.