The Great Underground War
We checked 8 streaming services in India on 04 Jun 2026 at 13:05 IST
About
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I.
Cast
Episodes
Season 1
The Mines of Ypres
The British successfully used a mining technique known as 'clay kicking' to plant mines under German tunnels during three battles in Flanders. 500,000 soldiers were killed for 900 metres of gains.
Monte Paterno
A personal account of the tragic battles that unfolded amid the sharp gullies and ravines of the Dolomites, requiring men to perform the nearly impossible: excavate and tunnel through solid granite in freezing weather.
Vauquois, Hill of Death
For three years, the Germans and French blow each other up with massive explosions, using a maze of underground galleries and tunnels. This story is told through the preserved diaries of Herman Hoppe, a German engineer who built many of the tunnels.
Col di Lana
Exploring trenches and tunnels and interviewing descendants of the Austrians and Italians who fought under and above the treacherous terrain of the Dolomite mountains.
The Secret of the Somme
An exploration of newly discovered fortresses, dugouts, and bunkers tells the story of the innovative German engineering that made defenses resistant to massive bombardments.
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Watch The Great Underground War Online Free — All Episodes in HD
If you've been searching for The Great Underground War all episodes in HD, CineFlixo has you covered. This talked-about Inglés documentary and war & politics title from 2014 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About The Great Underground War
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I. Across 1 season and 5 episodes, originally airing on Fact TV UK.
The Great Underground War Cast and Characters
The cast features Andy Hawkins (as Archaeologist) and Julia Richardson (as Archaeologist). Their performances are a major reason The Great Underground War has built such a passionate audience.
Where to Watch The Great Underground War Online
Want to watch The Great Underground War online without paying? CineFlixo is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch The Great Underground War NowWhy People Are Watching The Great Underground War
The Great Underground War flies under the radar but it deserves your attention. What makes it work is a tone and style that's hard to find elsewhere. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about The Great Underground War
Where can I watch The Great Underground War online for free?
You can watch The Great Underground War online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does The Great Underground War have?
The Great Underground War has 5 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is The Great Underground War good? What's the rating?
The Great Underground War holds a 0.0/10 rating based on 0 reviews — a niche pick worth checking out.
Who is in the cast of The Great Underground War?
The main cast includes Andy Hawkins and Julia Richardson.
Is The Great Underground War available in Inglés?
Yes — The Great Underground War was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was The Great Underground War released?
The Great Underground War first aired in 2014.
Do I need an account to watch The Great Underground War on CineFlixo?
No. CineFlixo is free and you can watch The Great Underground War without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Frequently Asked Questions
Where can I watch The Great Underground War for free?
You can watch The Great Underground War online for free on CineFlixo. All 5 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does The Great Underground War have?
The Great Underground War currently has 1 season and a total of 5 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is The Great Underground War about?
A five-part series that explores the forgotten story of the incredible engineering feats and secret survival techniques of five legendary battles fought underground during World War I. It belongs to the Documentary, War & Politics genres.
In which language is The Great Underground War originally available?
The Great Underground War was originally produced in English. On CineFlixo the show is available in its original English audio, which is the most authentic way to experience the dialogue, music, and performances. Check the player options on the watch page for available subtitle tracks.
When was The Great Underground War first released?
The Great Underground War first premiered on August 10, 2014 (2014). The series has since concluded its run.
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