Secrets Of The London Underground

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Secrets Of The London Underground

Tim Dunn and Siddy Holloway explore hidden parts of Archway. Once called Highgate to encourage more people to travel there before an actual Highgate station existed.

Series 3
Tim Dunn and Siddy Holloway snoop around TFL's gargantuan maintenance facility - Acton Works.
Tim Dunn and Siddy Holloway discover the hidden corners of Shepherd's Bush.
Tim Dunn and Siddy Holloway head to the sprawling Heathrow Airport underground stations - the first ever underground rail link between an airport and a city.
Tim Dunn and Siddy Holloway are exploring a station in the beating heart of London's theatreland - Leicester Square.
Tube fans would be right in thinking there are 272 Underground stations, but Siddy Holloway has such unique access, she is taking Tim Dunn to the 273rd - West Ashfield.
Tim Dunn and Siddy Holloway embark on a night-time track walk to the abandoned station of British Museum.
Tim Dunn and Siddy Holloway are heading to a stunning station you won't find on modern-day tube maps - Dover Street, now known as Green Park.
Tim Dunn and Siddy Holloway begin their journey at South Kensington, home of Victoria and Albert Museum, the Science Museum and the Natural History Museum.
Tim Dunn and Siddy Holloway head to London's iconic Camden Town station - a labyrinthine junction on the Northern Line.
Series 2
Tim Dunn and Siddy Holloway explore the tube ststaion with the most platforms, Baker Street.
Tim Dunn and Siddy Holloway visit the cathedral-like Greenwich Power Station, which stands ready to power the tube at short notice.
Tim and Siddy visit Quainton Road in Buckinghamshire, 50 miles from London - and once on the underground. Siddy also explores Kingsway tramway tunnel.
Tim Dunn and Siddy Holloway explore the brand new Elizabeth Line and have access to two of its stations weeks before the line opens.
Tim Dunn and Siddy Holloway explore Kings Cross St Pancras, including a secret siding and the disused Thameslink station.
Tim Dunn and Siddy Holloway explore the disused parts of London Bridge. Siddy visits Ongar in Essex and nearby Blake Hall.
Tim Dunn and Siddy Holloway walk the Piccadilly line at night to explore the hidden World War 2 remains of Brompton Road.
Tim Dunn and Siddy Holloway explore King William Street, the original terminus of the first electric Tube in the world.
Tim Dunn and Siddy Holloway discover the hidden world of the Waterloo and City, the only line entirely underground.
Tim Dunn and Siddy Holloway explore the disused Jubilee line areas of Charing Cross station, now more famous as a film location.
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