The Definitive History of Star Wars (2015)
http://www.documentarymania.com/playerf.php?title=The Definitive History of Star Wars - video embedded in page (45 mins.)
The blurb:
“To get us in the mood for the launch of the seventh Star Wars film, discover its Definitive History. Documentary taking a behind-the-scene look at how the world’s biggest, multi-billion pound movie series came into existence. Featuring rare interviews with Star Wars producers Gary Kurtz and Robert Watts and insights from those members of the creative team who won Oscars making the visual effects. Plus, a few little-known and surprising facts surrounding the film franchise.”
Backup link (from YouTube):
https://www.youtube.com/watch?v=KDlKY7q6QN4