S1 E1 ∙ 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.
All episodes for series 1 of Secrets of the London Underground
S1 E1 · Holborn
Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych.
S1 E2 · North End
Tim Dunn and Siddy Holloway visit North End under Hampstead Heath.
S1 E3 · Piccadilly
Tim Dunn and Siddy Holloway explore the disused parts of Piccadilly Circus.
S1 E4 · Euston
Tim Dunn and Siddy Holloway explore the hidden parts of Euston.
S1 E5 · St Marys
Tim Dunn and Siddy Holloway explore forgotten stations on the District line; Whitechapel.
S1 E6 · Clapham
Tim Dunn and Siddy Holloway explore Clapham South deep level shelter.
