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Railway historian Tim Dunn and Siddy Holloway from the London Transport Museum explore hidden areas of the London Underground that—despite being just feet away from where millions of people regularly travel—hardly anyone knows about. The pair will explore abandoned tunnels, secret bunkers and hidden staircases that have been concealed from public view for years.

Series Cast

  1. Siddy Holloway

    Siddy Holloway

    Self - Presenter

    16 Episodes

  2. Tim Dunn

    Tim Dunn

    Self - Presenter

    16 Episodes

  3. Chris Nix


    4 Episodes

Full Cast & Crew

Current Season

Season 2

2022 | 10 Episodes

Season 2 of Secrets of the London Underground premiered on May 5, 2022.

View All Seasons

Secrets of the London Underground
Secrets of the London Underground


Status Returning Series


  • See more TV shows from Yesterday...

Type Documentary

Original Language English


Content Score


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