In 2005, the most successful film series of all time came to a close with Star Wars: Episode III-Revenge of the Sith. Not only did the movie break countless box office records-and hit a first-ever $50 million opening day-it also impressed critics worldwide. The fan frenzy led to a record $3 billion in consumer spending on related products. With its $850 million worldwide box-office gross and glowing reviews from fans and critics,...