S1 E5 ∙ Bouzincourt ∙
A labyrinth of tunnels underneath a tiny French village which contains mysteries from several historical eras, and a Welsh slate mine that has been given a new lease of life.
All episodes for series 1 of Underground Worlds
S1 E1 · Gibraltar
Incredible feats of human endeavour, revealing what people have built, where, how and why.
S1 E2 · Sweden
Exploring Sweden's passion for subterranean spaces.
S1 E3 · Switzerland
A look at some of Switzerland's 300,000 subterranean bunkers built across history.
S1 E4 · Kingdom of Salt
The wonders of the Wieliczka Salt mine in southern Poland.
S1 E5 · Bouzincourt
A labyrinth of tunnels underneath a tiny French village.
S1 E6 · City of Naours
An underground city beneath a forest in Northern France built to house 3,000 people.
S1 E7 · Jersey War Tunnels
The underground bases built by the German army during the occupation of Jersey.
S1 E8 · The Maginot Line
The secrets of the largest subterranean fortress along France's border with Germany.
S1 E9 · Edinburgh Vaults
The sinister history of Edinburgh's underground vaults.
S1 E10 · Dover War Rooms
The military headquarters built beneath Dover Castle during the Second World War.
The Buildings That Fought Hitler
Description: This series looks at just some of the buildings that were designed to fight Hitler.; Category: Military & War; 8 episodes available.
The Architecture the Railways Built
Description: Tim Dunn explores the stunning architecture that lines the railway network.; Category: Engineering; 40 episodes available.
Guy Martin's Lancaster Bomber
Description: The history enthusiast honours Lancaster bomber crews of the Second World War.; Category: Military & War; 1 episode available.
Space Shuttle: Triumph and Tragedy
Description: The inside story of NASA's iconic, reusable spacecraft.; Category: Engineering; 2 episodes available.
Guy Martin's World War 1 Tank
Description: The motoring fan builds a working replica of a First World War tank and drives it at a Remembrance Day parade.; Category: Factual Entertainment; 1 episode available.
How Britain Worked
Description: Guy Martin recreates technical achievements of the 19th century.; Category: Engineering; 6 episodes available.
Guy Martin's Spitfire
Description: The history enthusiast joins the two-year restoration of a Spitfire that was buried in a French beach.; Category: Engineering; 1 episode available.
Churchill's Bid to Abolish Britain
Description: This ambitious, striking film challenges our understanding of the Second World War.; Category: History; 1 episode available.
Smoke & Steel
Description: Examining the Industrial revolution - the age of smoke and steel.; Category: Engineering; 6 episodes available.
Great British Landmark Fixers
Description: Teams across the country are keeping our heritage standing, these are our landmark fixers.; Category: Engineering; 6 episodes available.
The Black Panthers of WW2
Description: The story of the history-making 761st tank battalion.; Category: Military & War; 1 episode available.
