Join Special Agent Jethro Gibbs, his partner Special Agent Anthony DiNozzo, Agent Caitlin Todd, and the rest of the investigators of the Naval Criminal Investigative Service as they take on all crimes tied to the Navy or Marines.

"Some episodes may be edited from their original network versions." Special features: Disc 1: Kill Ari (pt. 1) commentary by Donald P. Bellisario ; Disc 3: Frame-up commentary by Pauley Perrette and Michael Weatherly; Boxed in commentary by Avery Drewe and David Bellisario; The real N.C.I.S. declassified; Hit the head montage ; Disc 4: The round table ; Disc 5: The women of N.C.I.S. ; Disc 6: Bloodbath commentary by Pauley Perrette and Michael Weatherly; N.C.I.S. season of change.

Disc 1:Kill Ari (pt. 1) ; -- Kill Ari (pt. 2) ; -- Mind games ; -- Silver war -- Disc 2: Switch ; -- The voyeur's web ; -- Honor code ; -- Under covers -- Disc 3: Frame-up ; -- Probie ; -- Model behavior ; -- Boxed in -- Disc 4: Deception ; -- Light sleeper ; -- Head case ; -- Family secret -- Disc 5: Ravenous ; -- Bait ; -- Iced ; -- Untouchable -- Disc 6: Bloodbath ; -- Jeopardy ; -- Hiatus (pt. 1) ; -- Hiatus (pt. 2).