‘From Star Wars to Star Wars - The Story of Industrial Light and Magic’:-
https://www.youtube.com/watch?v=3euVZouOkfw - at the ShinobiWan1 youtube channel. (A 1999 Documentary. 46 mins)
The Blurb:-
“The incredible evolution of George Lucas’ special effects dream factory, including an inside look at ‘Star Wars: Episode One - The Phantom Menace’.”