S2 E4 ∙ Brompton Road ∙
Tim Dunn and Siddy Holloway walk the Piccadilly line at night to explore the hidden World War 2 remains of Brompton Road.
All episodes for series 2 of Secrets of the London Underground
S2 E1 · Charing Cross
Tim Dunn and Siddy Holloway explore the disused Jubilee line areas of Charing Cross.
S2 E2 · Waterloo and City
Tim Dunn and Siddy Holloway discover the hidden world of the Waterloo and City.
S2 E3 · King William Street, Knightsbridge
Tim Dunn and Siddy Holloway explore King William Street.
S2 E4 · Brompton Road
Tim Dunn and Siddy Holloway explore the hidden World War 2 remains of Brompton Road.
S2 E5 · London Bridge
Tim Dunn and Siddy Holloway explore the disused parts of London Bridge.
S2 E6 · Kings Cross
Tim Dunn and Siddy Holloway explore Kings Cross St Pancras.
S2 E7 · Elizabeth Line
Tim Dunn and Siddy Holloway explore the brand new Elizabeth Line.
S2 E8 · Quainton Road and Kingsway
Tim and Siddy visit Quainton Road in Buckinghamshire, which was once on the underground.
S2 E9 · Greenwich Power Station
Tim Dunn and Siddy Holloway visit the cathedral-like Greenwich Power Station.
S2 E10 · Baker Street
Tim Dunn and Siddy Holloway explore the tube station with most platforms, Baker Street.
