Many of the films in the Star Wars franchise have been re-released, both theatrically and on home media formats. Franchise creator George Lucas often altered the films for the re-releases. These alterations range from minor refinements to major changes. The original trilogy was altered the most, although revisions were also made to the prequels. According to Lucas, some changes brought the films closer to his original vision, while others were attempts to create continuity with later films.

Star Wars is an American epic space opera media franchise created by George Lucas, which began with the eponymous 1977 film and quickly became a worldwide pop culture phenomenon. The franchise has been expanded into various films and other media, including television series, video games, novels, comic books, theme park attractions, and themed areas, comprising an all-encompassing fictional universe. Star Wars is one of the highest-grossing media franchises of all time.