Special Effects Technologies in Star Wars
The re-releases featured alterations to the original films, primarily motivated by the improvement of CGI and other special effects technologies, which allowed visuals, were not possible to achieve at the time of the original filmmaking. Lucas continued to make changes to the films for subsequent releases, such as the first ever DVD release of the original trilogy on September 21, 2004 and the first ever Blu-ray release of all six films on September 16, 2011. More than two decades after the release of the original film, the series continued with the long-awaited prequel trilogy; consisting of Episode I: The Phantom Menace, released on May 19, 1999; Episode II: Attack of the Clones, released on May 16, 2002; and Episode III: Revenge of the Star Wars Credits, released on May 19, 2005.
