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.
| Title | Secrets of the London Underground - Season 1 Episode 1 Holborn |
|---|---|
| Year | 2023 |
| Genre | Documentary |
| Country | United Kingdom |
| Studio | U&Yesterday |
| Cast | Tim Dunn, Sigurbjörg Alma Ingólfsdóttir |
| Crew | |
| Alternative Titles | |
| Keyword | subway |
| First Air Date | Jul 19, 2021 |
| Last Air date | Sep 05, 2023 |
| Season | 4 Season |
| Episode | 26 Episode |
| Runtime | 44:14 minutes |
| Quality | HD |
| IMDb: | 7.50/ 10 by 4.00 users |
| Popularity | 6.056 |
| Language | English |
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