Season 1
6 episodes
0 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
Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych. And at Holloway Road they find out about the Tube's only spiral escalator.
Tim Dunn and Siddy Holloway visit North End under Hampstead Heath, abandoned before completion, the station became a Cold War bunker.
Tim Dunn and Siddy Holloway explore the disused parts of Piccadilly Circus and visit the long-abandoned Highgate surface station.
Tim Dunn and Siddy Holloway explore the hidden parts of Euston, including unique features not found elsewhere and the Leslie Green entrance hall (disused since 1914) which is set to be demolished for HS2.
Tim Dunn and Siddy Holloway have a night-time track walk exploring long forgotten stations on the District line in Whitechapel.
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.