NCIS: Naval Criminal Investigative Service: Seasons 1-4 (DVD)

Debuting in 2003, this CBS crime drama focuses on a government agency assigned to investigate cases involving Navy and Marine Corps. Personnel from outside the military command structure. Led by seasoned investigator Jethro Gibbs (Mark Harmon), the team also includes former homicide detective Tony DiNozzo (Michael Weatherly), ex-secret service agent Caitlin Todd (Sasha Alexander), forensics expert Abby Sciuto (Pauley Perrette), and medical examiner "Ducky" Mallard (David McCallum).94 episodes on 24 discs. 68 3/4 hrs. Widescreen; Soundtracks: English Dolby Digital stereo, Spanish Dolby Digital stereo; audio commentary; featurettes.

Starring: David McCallum, Mark Harmon, Sean Murray, Pauley Perrette, Michael Weatherly, Sasha Alexander, Brian Dietzen, Joe Spano, Pancho Demmings, Alan Dale

Director: Avery C. Drewe, David Bellisario, Jeffrey Vlaming, Mark Schilz