Set in Las Vegas, CSI: Crime Scene Investigation focuses on the activities of the Crime Scene Investigations Bureau. Working the overnight shift, the characters deploy state-of-the-art forensic technology to solve unsolvable crimes. Season seven is now on DVD. Also in stores: season two of Gene Simmons' Family Jewels and Charles in Charge; season five of The Doris Day Show; and the complete series of Chappelle's Show, Queer as Folk, and Dr. Katz, Professional Therapist.