Assassins of The Deep
No instrument of war defines the 20th century like the submarine. Covert and deadly, these silent assassins of the deep, rewrote the rules of the game. Featuring exclusive access to three separate wreck sites.
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Danger Ahead

Thu, Mar 02, 2023
Armed with the latest undersea technology and personal testimony, boarding two doomed ships to discover what set them on the path to catastrophe.
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Last Days of The Battleship
Survivors' stories and world-leading shipwreck investigators uncover how even the most powerful warships had their weaknesses and paid a fatal price.
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Nuclear Wrecks

Thu, Mar 16, 2023
The remains of warships from the remote Pacific to the Atlantic, reveal new insights into how the atom bomb changed the world forever.
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Savage Revenge

Thu, Mar 23, 2023
How the Americans launched a massive bombardment of the Japanese fleet - and how the German liner Wilhelm Gustloff was torpedoed by a Russian sub.
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Failed Invasions
Two of the greatest failed invasions in the history of naval warfare; How the Spanish Armada was defeated and why the Allied fleet was crushed in WW1.
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The Lost Fleet of WW1
Investigations reveal the greatest scuttle and act of defiance in wartime history; testimonies and CGI illuminate the events and subsequent salvage.
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Collisions at Sea
Investigations into three historical collisions expose the volatile risks at sea and how they have shaped regulations and technological advancements.
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Toxic Wrecks

Thu, Apr 20, 2023
Two decaying Second World War wrecks, the SS Skytteren and SS Richard Montgomery, are investigated as their dormant cargoes now pose a deadly threat.
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Scotland's Sea Secrets
Two research teams are granted special permission to investigate what happened to WW1 warships HMS Hampshire and HMS Vanguard in their final moments.
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