Season 2
10 episodes
57 min. per episode
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An inquisitive historian uncovers hidden truths beneath London’s surface, risking everything to reveal the city's buried secrets.
Episodes
As the documentary series returns for a second series, Tim Dunn and Siddy Holloway explore the disused Jubilee line areas of Charing Cross station, now more famous as a film location.
Tim and Siddy discover the hidden world of the Waterloo and City, the only line entirely underground.
Tim and Siddy explore King William Street, the original terminus of the first electric Tube in the world. And the renewal of Knightsbridge Station.
Tim Dunn and Siddy Holloway walk the Piccadilly Line at night to explore the hidden World War II remains of Brompton Road.
Tim Dunn and Siddy Holloway explore the disused parts of London Bridge. Siddy visits Ongar in Essex and nearby Blake Hall.
A look behind the everyday facades of the London Underground network to see how its history and design made it the network we know today.