Deep ocean technical divers and marine investigators Richie Kohler and Evan Kovacs are on the hunt for sea monsters in the British Isles. They investigate the WWII sinking of U-Boat 85 near Scotland.

A team of deep sea divers investigate the wreck of German U-boat, rumored to have been attacked by a sea monster during World War 1. Their investigation will take them from the icy depths of the Irish Sea to the inky lair of the Loch Ness Monster.

Deep Sea Detectives was a television show on The History Channel. The show began airing in 2003. In a post dated September 1, 2006 on the Deep Sea Detectives' message board, series producer Kirk Wolfinger stated that the show would not be renewed for another season.