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Episode guide

Secrets of the London Underground

Series 1

Secrets of the London Underground

  • North End

    Tim Dunn and Siddy Holloway visit North End under Hampstead Heath. Abandoned before completion, the station became a Cold War bunker.

    Not scheduled
    Not scheduled

  • Holborn

    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.

  • Piccadilly

    Tim Dunn and Siddy Holloway explore the disused parts of Piccadilly Circus, and visit the long-abandoned Highgate surface station.

    Not scheduled
    Not scheduled

  • St Marys

    Tim Dunn and Siddy Holloway have a night-time track walk exploring long forgotten stations on the District line in Whitechapel.

    Not scheduled
    Not scheduled

  • Euston

    Tim Dunn and Siddy Holloway explore the hidden parts of Euston, including unique features not found elsewhere and the bits set for demolition for HS2.

    Not scheduled
    Not scheduled

  • Clapham

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

    Not scheduled
    Not scheduled