Season 4
10 episodes
44 min. per episode
Where to watch
Amazon Prime Video
Subscription
An inquisitive historian uncovers hidden truths beneath London’s surface, risking everything to reveal the city's buried secrets.
Episodes
Tim Dunn and Siddy Holloway explore Earl's Court station where the old and the modern sit side by side.
Tim Dunn and Siddy Holloway explore Paddington station to discover the tunnels hiding clues to the recent past.
Tim Dunn and Siddy Holloway explore the forgotten tunnels underneath one of Britain's busiest stations - Waterloo.
Tim Dunn and Siddy Holloway get exclusive access to the disused station at South Kentish Town.
Tim Dunn and Siddy Holloway explore the very first tunnel under the Thames.
A look behind the everyday facades of the London Underground network to see how its history and design made it the network we know today.