About this showing of Richard Hammond's Big
Richard ventures 2km beneath the Alps into the world's longest underground railway connection, the Brenner Base Tunnel, riding some giant machines.
Previously on TV
Richard Hammond's Big
World's Longest Railway Tunnel
Previously shown on Discovery .Science on Fri 18 Sep 2026 at 11:00.
This showing has ended
This showing was on Discovery .Science at 11:00 on Fri 18 Sep 2026. See future airings below or open the main programme page for the latest TV times.
Airing details
ChannelDiscovery .Science
StartsFri 18 Sep 2026, 11:00
EndsFri 18 Sep 2026, 12:00
Episode / edition: World's Longest Railway Tunnel
SkySky Q / Satellite167