About the film
Bugs Bunny: Superstar is a 1975 Looney Tunes documentary film narrated by Orson Welles and produced and directed by Larry Jackson. It was the first documentary to examine the history of Looney Tunes with its animated cartoon characters, as well as the first Looney Tunes film to not be distributed by Warner Bros. Pictures.
From the film's Wikipedia article (CC BY-SA 4.0).