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SUBSCRIBE: https://www.youtube.com/c/ngcpl?sub_c... Discover the course of the underwater game, in which outstanding commanders and crews of submarines during World War II were masters. You can find the dates of broadcasts and reruns at https://www.natgeotv.com/pl If you prefer to watch episodes online, go to ncplusgo.pl or player.pl https://player.pl/playerplus/live/nat... Join us on Facebook: / ngcpl Watch Nat Geo Wild Instagram: / natgeowildpolska S3E06 #nationalgeographic #natgeopl #piekłopodwodą