Along with actor Bill Paxton, filmmaker James Cameron returns to the sunken ship that was the subject of his 1997 Oscar-winning "Titanic" for this haunting documentary, originally presented in the IMAX format. Using high-tech photographic methods, Cameron explores the remains of the "unsinkable" vessel, offering audiences a remarkable look at things that haven't been seen since the Titanic's loss in 1912. Widescreen; Soundtrack: English. Three-disc set. Also includes a DVD and a Blu-ray 3D that requires a 3D television, a 3D Blu-ray player, and special glasses to reproduce the original theatrical experience.