Secrets of the London Underground
2021 to present Documentary 4 seasons
TMDB rating 7.2/10 Between seasons
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.
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Seasons4
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No description for this season yet.
All episodes available
No description for this season yet.
All episodes available
No description for this season yet.
All episodes available
Cast and details
Tim DunnSelf - Presenter
Sigurbjörg Alma IngólfsdóttirSelf - Presenter- Chris NixHimself
- Network
- U&Yesterday
- First aired
- Jul 19, 2021
- Latest episode
- Sep 3, 2024
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Release dates are original schedules and may differ from availability in your country. A release never marks anything as watched. Last checked Nov 3, 2026.Schedule data from TVmaze, CC BY-SA.