Secrets of the London Underground

S1 E6 ∙ Clapham ∙

Tim Dunn and Siddy Holloway explore Clapham South deep level shelter where thousands of Londoners slept in the war.

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.