Secrets of the London Underground

4 Series ∙ 36 Episodes ∙ Engineering

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

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All episodes for series 4 of Secrets of the London Underground

S4 E6 · Ruislip Depot

Tim Dunn and Siddy Holloway explore the maintenance depot at the end of the Central Line.

S4 E8 · Stockwell

Tim Dunn and Siddy Holloway explore Stockwell station on the Victoria Line.