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 InchDuckyInch Mallard (David McCallum).91 episodes on 23 discs. 66 1/2 hrs. Widescreen; Soundtracks English Dolby Digital stereo, Spanish Dolby Digital stereo; audio commentary; featurettes. | Ncis: Naval Criminal Investigative Service: Seasons 5 | 8 | DVD | 23 Discs | Best Buy