This six-disc box set contains every episode from the fourth season of the smash-hit television program CSI. Each episode is presented in the original broadcast aspect ratio of 1.85:1. English soundtracks are rendered in Dolby Digital Stereo. In addition to commentary tracks on seven of the episodes, this set contains a featurette that shows how an entire episode comes into being from the development of the script through the final stages of post-production. This is a superb set for fans of the program.