‘ILM - Creating the Impossible’:-
https://www.youtube.com/watch?v=5ZGkneixgpg - at the Trigger Work Studio youtube channel (A 2010 Documentary. 60 mins)
The blurb:-
"A look over the incredible work of ILM and how they revolutionised the way we see film with the introduction and advances of CGI or Computer Generated Image.
This documentary takes us from the incredible start of effects to creating Star Wars and then advance to really demonstrate how it can be blended in with Jurassic Park to now a culture of films that can’t avoid the technology and is another tool for the directors belt."