North Sea Showdown aka Sub vs. Sub 水下地狱 2 5 1601162 tt8700752 8.0 1 0 In the icy waters off of Norway in 1945, a U-boat embarks on a mission to bring top-secret German technology to Japan, unaware that a Royal Navy V-class submarine has just been ordered to patrol the area. Neither commander manning their vessel realizes that they are about to face-off in the world's first underwater submarine dogfight. Witness the historic battle between HMS Venturer and U-864. 45 https://image.tmdb.org/t/p/w1280/ug10VsjBeVcGcfHa3m3IQW1o2lv.jpg 2018-07-05 2018-07-05 false 0 National Geographic Smithsonian Channel Parallax Film Productions 2025-09-26 16:17:46 WEB_DL NONE 水下地狱.Hell.Below.S02.E05.2018.1080p.WEB-DL.H264.AAC-DJWEB.strm