Mega Metro
Mega Metro is a TV show on Yesterday. An international team works on Australia's biggest ever tunnelling project in Sydney. The program has been available since 2025. A total of 8 episodes have been broadcast, most recently in January 2026.
Last episode
1:00:00
1:00:00Mega Metro
After 10 years of planning, building and testing, involving more than 60,000 people from around the world, Australia's largest transport project nears completion.
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1:00:00After 30km of tunnelling, workers prepare to build stations, lay tracks and test driverless trains. At Central Station, the underground pedestrian subway comes to life.
1:00:00We 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.
1:00:00An extension is now underway to get people into the centre of Australia's biggest city, including a new tunnel crossing deep under Sydney Harbour.
Series 1
1:00:00
1:00:00With deadlines looming, crews race to install tracks, cabling, ventilation, safety systems and 900,000 plants. The first driverless train arrives in Sydney for testing.
1:00:00The project's most daunting challenge - tunnelling under Sydney Harbour - begins. At Martin Place, engineers juggle skyscraper construction above and station excavation below.
1:00:00The team faces a tough challenge - boring beneath Sydney's 230-year-old CBD. At Pitt Street Station, eight buildings are demolished, including a 14-storey tower.
1:00:00Action Stations: We meet the international team taking up the $50 billion trailblazing challenge of building the world's most advanced driverless metro in Sydney.