E1 - Great Expectations

Aired: April 03, 2025

An extension is now underway to get people into the centre of Australia's biggest city, including a new tunnel crossing deep under Sydney Harbour.

E2 - Down And Dirty

Aired: April 10, 2025

As Australia's largest transport project gets underway, we go back under Sydney Harbour to check out history in the making as the construction of the twin metro rail tunnels continues deep under the surface.

E3 - Testing Times

Aired: April 17, 2025

After the completion of 30km of tunnelling, workers prepare to build railway stations, lay tracks and test driverless trains; at Central Station, Australia's busiest railway station, Central Walk, the underground pedestrian subway comes to life.

E4 - Countdown To Launch

Aired: April 24, 2025

After almost 10 years of planning, building and testing, involving more than 60,000 people from around the world, Australia's largest transport infrastructure project nears completion.