Star Wars | Behind The Scenes Lucas had the idea for a science fiction film in the vein of Flash Gordon around the time he completed his first film, THX 1138 (1971), and he began working on a treatment after the release of American Graffiti (1973). After numerous rewrites, principal photography began in March of 1976 in locations including Tunisia and Elstree Studios in Hertfordshire, England. Lucas formed the visual effects company Industrial Light & Magic to help create the film’s visual effec