Underground Worlds (2019)

Season 1

British documentary series exploring incredible feats of human endeavour underground, revealing what people have built, where they have built it, how and why.

Released Sept. 25, 2019 Episode 45 min None+

Genres: Documentary

Watch Providers: Amazon Prime Video, Science Channel, Spectrum On Demand, Discovery +, Discovery+ Amazon Channel + 4 more, Amazon Prime Video Free with Ads, Amazon Prime Video with Ads, Philo, Science Amazon Channel

Network: Yesterday

Country: United Kingdom
Languages: English

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S1E1 - Gibraltar

This edition explores the hidden network of tunnels and caves beneath Gibraltar that were instrumental to the Allies success during WWII. Plus, the ultimate super-sewer beneath London and a breathtaking cave system in Postojna, Slovenia.

Sept. 25, 2019, midnight

S1E2 - Sweden

Explores how Sweden has gone to extraordinary lengths to protect itself - by excavating 65,000 nuclear bunkers. Plus, Somerset's Cheddar Gorge and an underground first in Romania.

Oct. 2, 2019, midnight

S1E3 - Switzerland

A look at some of Switzerland's 300,000 subterranean bunkers, the creation of a local entrepreneur shrouded in mystery in England and a network of tunnels deep beneath Slovenia.

Oct. 9, 2019, midnight

S1E4 - Kingdom of Salt

The Wieliczka Salt mine in Poland, some 327 meters deep, where the voids left behind from excavating salt have been transformed into extraordinary spaces, carved by hand.

Oct. 16, 2019, midnight

S1E5 - 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.

Oct. 23, 2019, midnight

S1E6 - City of Naours

An underground city beneath a forest in Northern France built to house 3,000 people, an ice cave under Iceland's biggest glacier, and a subterranean power station in London.

Oct. 30, 2019, midnight

S1E7 - Jersey War Tunnels

The underground bases built by the German army during the occupation of Jersey, and a group of more than 20 underground cities in Turkey, one of which dates back to 800BC.

Nov. 6, 2019, midnight

S1E8 - The Maginot Line

The secrets of the largest subterranean fortress along France's border with Germany, and a look at how a unique precious mineral was discovered in Derbyshire.

Nov. 13, 2019, midnight

S1E9 - Edinburgh Vaults

The sinister history of Edinburgh's vaults and the development of Helsinki's subterranean spaces. Plus, the impact of the building of Naples on the volcanic ground below.

Nov. 20, 2019, midnight

S1E10 - Dover War Rooms

This edition explores the military headquarters built beneath Dover Castle during the Second World War, and Odessa's catacombs, possibly the largest tunnel network in the world.

Nov. 27, 2019, midnight

Network: Yesterday

Episode Runtime: 45 min.

Season Runtime: 45 min.

Released: Sept. 25, 2019

Last Air Date: March 14, 2022, midnight

Status: Returning Series

Certification: NR

REFRESH DATA

Updated: 1 month, 2 weeks ago

Next update: 1 week, 6 days from now