Ever wonder what's behind closed doors at stations, what lies beneath the streets of London and what secret stories this fascinating city holds?
Take a trip below the surface with Siddy Holloway and Tim Dunn with the new 6-part series Secrets of the London Underground. Catch it on Yesterday or UKTV Play this July.
Join the the pair as they explore abandoned tunnels, secret bunkers and hidden staircases that have been concealed from public view for years - including midnight track walks, exploring the deepest point of the London Underground and even a lost station from 1906.
Sorry, no info about the next episode of Secrets of the London Underground is available yet.
The TV show is either in vacation or waiting to start their new season. When information about future episodes becomes available, it will be posted here.
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