About this showing of Extreme Engineering
Danny investigates the Gotthard Base Tunnel; costing 18 billion dollars, it's the longest in the world, making journeys through the Alps three times faster.
Previously on TV
Extreme Engineering
Gotthard Base Tunnel
Previously shown on Discovery .Science on Wed 14 Oct 2026 at 11:00.
This showing has ended
This showing was on Discovery .Science at 11:00 on Wed 14 Oct 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .Science
StartsWed 14 Oct 2026, 11:00
EndsWed 14 Oct 2026, 12:00
Episode / edition: Gotthard Base Tunnel
SkySky Q / Satellite167Next showing of Extreme Engineering
The next currently listed showing is Tue 10 Nov 2026, 22:00 on Discovery Science.
See all current showings