NCIS 19x08 "Peacekeeper" Season 19 Episode 8 Promo Trailer HD - NCIS investigates the case of a Navy reservist whose body is found in a beat-up car at the end of a gun range. Also, Kasie weighs the pros and cons of buying a gun, on the CBS Original series NCIS, Monday, November 29th on CBS, and available to stream live and on demand on Paramount+. Rocky Carroll directed the episode.