Titanic: A Tale of Two Journeys'

With a team of the world's foremost historic and marine experts as well as friend Bill Paxton, James Cameron embarks on an unscripted adventure back to the wreck of the Titanic where nearly 1,500 souls lost their lives almost a century ago.

For the 20th anniversary of "Titanic," James Cameron reopens the file on the disaster.

The history of cinematic sound, told by legendary sound designers and visionary filmmakers.

James Cameron and Simcha Jacobovici go on an adventure to find the lost city of Atlantis by using Greek philosopher Plato as a virtual treasure map.

Giving fans unprecedented access to the real life of the music sensation, Katy Perry: Part of Me exposes the hard work, dedication and phenomenal talent of a girl who remained true to herself and her vision in order to achieve her dreams. Featuring rare behind-the-scenes interviews, personal moments between Katy and her friends, and all-access footage of rehearsals, choreography, Katy’s signature style and more, Katy Perry: Part of Me reveals the singer’s unwavering belief that if you can be yourself, then you can be anything.

Oliver Stone charts the history of the United States from the Second World War to the present.

JB Smoove and Martin Starr host a celebration of 20 years of "Spider-Man" movies, from the Sam Raimi trilogy to Marc Webb's movies and the trio from Jon Watts.

National Geographic's riveting effort recounts all 12 crewed missions using only archival footage, photos and audio.

Various MGM stars from yesterday present their favorite musical moments from the studio's 50 year history.

The Captains is a feature-length documentary film written and directed by William Shatner. The film follows Shatner as he interviews the other actors who have portrayed starship captains in the Star Trek franchise.