World’s Greatest Shipwrecks
Season 1 • Episode 4: Assassins of the Deep • Watch with subtitles

Episode 4: Assassins of the Deep
May 17, 2021
The wreckages of three German U-boats—including UC-66, the first to be sunk by a plane in WW1, and U480, the world’s first stealth sub—are eroding at the bottom of the sea along with the stories behind their disastrous fate. A team of maritime archaeologists race to locate the submarines and solve the mystery behind their deadly demise.
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