of the San Francisco Bay Area American dystopian films 1970s English-language films Features based on short films Films about mind control Films about rebellions Films about security and surveillance Films directed by George Lucas Films scored by Lalo Schifrin In-jokes Religion in science fiction American robot films Films with screenplays by George Lucas Social science fiction films 1971 directorial debut films Films shot in San Francisco Warner Bros. films Films with screenplays by Walter Murch 1970s American films