Hell Below aka WWII Hell Under the Sea: S03 E05 The Longest Journey ( Smithsonian Ch 2016 US, CA, UK) ( ENG, SUB ENG)

Hell Below aka WWII Hell Under the Sea Network: Smithsonian Channel (UK) Season Three: Episode 5 The Longest Journey Air Date: Aug 23, 2020 (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