Season 3

01 Loch Ness: Great Monster Mystery Episode 125th April 2005 02 Forgotten Sub of WW II Episode 22nd May 2005 June 20, 1941. The U.S. submarine O-9 noses below the surface off the coast of New Hampshire, carrying a crew of 33, and is never seen again. Years of inquiries have failed to find answers to what caused this terrible tragedy…until now. In this exciting program, join DEEP SEA DETECTIVES Richie Kohler and John Chatterton, as they head out to sea with the National Undersea Research Center to take the first-ever video survey of the O-9 wreck in an attempt to solve this long-forgotten mystery. First, travel to the U.S. Naval Submarine School in Groton, Connecticut, where the team learns about some of the potential emergencies and worst-case scenarios submariners face while submerged. Next, investigate evidence of structural deficiencies on the O-9 before it was returned to service for the war, which could point to an explanation for the tragedy. Finally, experience the thrill of an up-close look at wreck, which provides crucial clues as to what might have gone wrong. 03 D-Day Destroyer Episode 39th May 2005 04 Winter of Disaster Episode 416th May 2005 05 Mysterious Loss of the German Fleet Episode 523rd May 2005 06 D-Day Troops: Lost at Sea Episode 66th June 2005 07 Another Atlantis? Episode 713th June 2005 08 More Secret Underwater Caves Episode 820th June 2005 09 U-Boat Mystery Episode 927th June 2005 10 Secret Allied Trap Episode 104th July 2005 11 Sub War Episode 1111th July 2005 12 USS Perry Episode 1218th July 2005 13 Damn the Torpedoes Episode 1330th July 2005