THX 1138 Reference
/10 with 155 votes
George Lucas likes to make references to his 1st film (THX 1138) whenever possible. In Star Wars a reference is made to a "prison transfer from cell block 1138". In American Graffiti the reference is in a license plate: THX 138
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/10 with 2 votes
when the police car's axle gets pulled out the licence plate says THX-1138. Which is referenced to lucas's first movie.