The Great Underground War

TV series · Spain

The Great Underground War

2014Documentary

Spain

Where can you watch The Great Underground War?

Last checked: Sep 27, 2026, 12:05 AM UTC

Watch The Great Underground War (2014) in Spain: compare confirmed streaming providers and available ways to watch.

At the last check: The Great Underground War is available with a subscription to Curiosity Stream in Spain.

Outdated information — check with the provider.

Curiosity Stream

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HDSeries offerAudio: EnglishSubtitles: English
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Seasons

A series offer does not confirm every season or episode.

Season 1+

Curiosity Stream

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HDSeason 1Audio: EnglishSubtitles: English
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Curiosity Stream

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HDEpisode 1Audio: EnglishSubtitles: English
Subscription
Go to provider

Curiosity Stream

Subscription

HDEpisode 1Audio: EnglishSubtitles: English
Subscription
Go to provider

Curiosity Stream

Subscription

HDEpisode 1Audio: EnglishSubtitles: English
Subscription
Go to provider

Curiosity Stream

Subscription

HDEpisode 1Audio: EnglishSubtitles: English
Subscription
Go to provider

Curiosity Stream

Subscription

HDEpisode 1Audio: EnglishSubtitles: English
Subscription
Go to provider

Check picture and language options with the provider. Comparison within the same offer type, quality, currency and unit. Opens the provider website.

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.

Cast

Andy Hawkins, Julia Richardson

Questions about The Great Underground War

Can I watch The Great Underground War for free?

The last check found no free offer for The Great Underground War in Spain. A paid subscription is not counted as free.

What picture and language options are available?

Confirmed picture quality: HD. Check each offer for audio and subtitles; options may depend on your device and plan.

Which seasons of The Great Underground War can I stream?

Specific season or episode offers for The Great Underground War cover seasons 1. Open a season to compare providers and prices. A series-level offer does not automatically confirm every season.