Secrets of the London Underground

Railway historian Tim Dunn teams up with Siddy Holloway from the London Transport Museum to explore the disused parts of London's tube network.

Series Selector for Secrets of the London Underground

All episodes for series 1 of Secrets of the London Underground

S1 E1 · Holborn

Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych.

S1 E4 · Euston

Tim Dunn and Siddy Holloway explore the hidden parts of Euston.

S1 E5 · St Marys

Tim Dunn and Siddy Holloway explore forgotten stations on the District line; Whitechapel.

S1 E6 · Clapham

Tim Dunn and Siddy Holloway explore Clapham South deep level shelter.