Secrets of the London Underground - Season 1
1 - Holborn
Air Date: July 19, 2021
Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych. And at Holloway Road they find out about the Tube's only spiral escalator.
2 - North End
Air Date: July 26, 2021
Visit one of London Underground’s most secret places: North End under Hampstead Heath. Abandoned before completion, the station became a Cold War bunker.
3 - Piccadilly Circus
Air Date: August 2, 2021
Explore the disused parts of Piccadilly Circus, the grandest station on the London Underground. And they also visit the long-abandoned Highgate surface station.
4 - Euston and York Road
Air Date: August 9, 2021
Explore the hidden parts of Euston, including unique features not found elsewhere and the bits set for demolition for HS2. Siddy also visits York Road station.
5 - St Mary's, Aldgate East and Oxford Circus
Air Date: August 16, 2021
Have a night-time track walk exploring long forgotten stations on the District line in Whitechapel. And they discover how sprawling Oxford Circus was first built.
6 - Clapham South and Moorgate
Air Date: August 23, 2021
Explore Clapham South deep level shelter, where thousands of Londoners slept in the war. They also visit Moorgate, and the remains of a tunnelling machine there.