Secrets of the London Underground - Full Series Information, Trailer & IMDb Reviews
Secrets of the London Underground Season 1 Episode 1
Episode Title: Holborn
Countries:
United Kingdom,
Airing Date: July 13, 2021
Runtime:60 min
IMDb Rating:
Watch Secrets of the London Underground Season 1 Episode 1 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych, closed in the 1990s. And at Holloway Road, they find out about the Tube's only spiral escalator!