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▶ See also: • This victory was paid by the Nazis at the cost of... In October 1943, the first patrol ends in disappointment and internal conflict for the submarine crew. ▶ For broadcast dates and reruns, visit https://www.natgeotv.com/pl ▶ Follow us on Instagram: / nationalgeographicwildpl ▶ Join us on Facebook: / ngcpl "Hell Under Water: World War II" is a documentary series that describes specific episodes of naval combat involving submarines. S04E01 #nationalgeographic #natgeopl #pieklopodwodą