Tim Dunn and Siddy Holloway explore the abandoned branch line between Holborn and Aldwych. And at Ho...

Visit one of London Underground’s most secret places: North End under Hampstead Heath. Abandoned bef...

Explore the disused parts of Piccadilly Circus, the grandest station on the London Underground. And...

Explore the hidden parts of Euston, including unique features not found elsewhere and the bits set f...

Have a night-time track walk exploring long forgotten stations on the District line in Whitechapel....

Explore Clapham South deep level shelter, where thousands of Londoners slept in the war. They also v...

Tim Dunn and Siddy Holloway make their way over and explore the disused Jubilee line areas of Charin...

Tim Dunn and Siddy Holloway go off and discover the hidden world of the Waterloo and City. This is t...

Tim and Siddy visit King William Street, the earliest disused station on the deep tube. Siddy also s...

Tim and Siddy walk the Piccadilly line at night to explore the hidden World War 2 remains of Brompto...

Tim and Siddy explore the disused parts of London Bridge. Siddy visits Ongar in Essex, and nearby Bl...

Tim and Siddy explore Kings Cross St Pancras, including a secret siding and the disused Thameslink s...

Tim and Siddy explore the brand new Elizabeth Line – and have access to 2 of its stations weeks befo...

Tim and Siddy visit Quainton Road in rural Buckinghamshire, 50 miles from central London – and once...

Tim and Siddy visit the cathedral-like Greenwich Power Station, which stands ready to power the tube...

Tim and Siddy explore the tube station with the most platforms, Baker Street. Siddy visits the disus...

Tim Dunn and Siddy Holloway explore the labyrinthine Camden Town station, and the forgotten wartime...

Tim Dunn and Siddy Holloway explore the disused areas of South Kensington station, with platforms re...

Tim and Siddy are heading to a station you won’t find on modern-day tube maps – Dover Street, now kn...

Tim and Siddy embark on a night-time track walk to the abandoned station of British Museum. The pair...

Tube fans would be right in thinking there are 272 Underground stations on the network, but Siddy Ho...

Tim and Siddy are exploring the station in the beating heart of London's theatreland - Leicester Squ...

Tim Dunn and Siddy Holloway pack their bags to go on a trip around the sprawling Heathrow Airport un...

Shepherd's Bush is a fabulous example of how the network has changed and adapted over time and Siddy...

Tim Dunn and Siddy Holloway explore the sprawling TFL maintenance facility - Acton Works. Staying in...

Tim Dunn and Siddy Holloway have access to the secret spaces of Archway, from cavernous lift shafts...

Tim and Siddy explore Earl’s Court station – a busy interchange on the Piccadilly and District lines...

Tim and Siddy go under the platforms of Paddington station. It has five different tube lines running...

Tim and Siddy explore the forgotten underground passages and tunnels underneath one of Britain’s bus...

Explore South Kentish Town a station once on the Northern line,but abandoned more than a century ago...

Tim and Siddy reveal the incredible story of the Thames Tunnel – the first successful tunnel built u...

Tim and Siddy get privileged access to the vast maintenance depot at Ruislip, at the end of the Cent...

Tim and Siddy get access to the maintenance depot at Northumberland Park, responsible for looking af...

Explores the rich history of Stockwell station on the Victoria line. It was originally the terminus...

Tim and Siddy meet at Gloucester Road in London’s museum quarter – a station serving the Circle, Dis...

Explores the unusual station at Old Street. It serves both the Northern line and mainline trains, an...