MARS: Inside SpaceX

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

Canadian acting legend William Shatner takes viewers inside the creation of Star Trek: The Next Generation, the bold attempt in 1986 to recreate the success of the original television series, in which Shatner played Captain James T. Kirk.

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

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving astronauts, including Jim Lovell, Dave Scott, John Young, Gene Cernan, Mike Collins, Buzz Aldrin, Alan Bean, Edgar Mitchell, Charlie Duke and Harrison Schmitt.

An unprecedented and intimate look at the life, work and enduring legacy of British actress Audrey Hepburn (1929-1993).

A look at the story behind Marvel Studios and the Marvel Cinematic Universe, featuring interviews and behind-the-scenes footage from all of the Marvel films, the Marvel One-Shots and "Marvel's Agents of S.H.I.E.L.D."!