Hell Below aka WWII Hell Under the Sea: S02 E05 Sub vs. Sub ( Smithsonian Ch 2018 US, CA, UK)( ENG, SUB ENG)

Hell Below aka WWII Hell Under the Sea Network: Smithsonian Channel (UK) Season Two: Episode 5 Sub vs. Sub Air Date: Jul 29, 2018 (United States) 45 min, TV PG, War History Documentary, TV Series (2016 now) (ENG, SUB ENG) , SmithsonianChannelzdenek1964, SmithsonianChannelbritblood, Canada, NatGeo, NationalGeographic, NatGeoChannel, HellBelow, Historyzdenek1964, Historybritblood, WWIIHellUnderTheSea