Fans are receiving a behind-the-scenes look at Star Wars, thanks to a featurette released Saturday.The thrilling video includes shots of Mark Hamill, the late Carrie Fisher and Daisy Ridley, among other stars.Fisher says during the footage that "it's about family, and that's what's so powerful about it."The video features visual effects and cast members talking to the camera and practicing fighting techniques."Star Wars: The Last Jedi" premieres in theaters Dec. 15.