<P> The fourteenth season of the American police procedural drama NCIS premiered on September 20, 2016, in the same time slot as in the previous seasons, Tuesdays at 8 pm . The season concluded on May 16, 2017 . </P> <P> NCIS revolves around a fictional team of special agents from the Naval Criminal Investigative Service, which conducts criminal investigations involving the U.S. Navy and Marine Corps . The series was renewed for fourteenth and fifteenth seasons by CBS on Monday, February 29, 2016 . </P> <P> The series was renewed for fourteenth and fifteenth seasons by CBS on Monday, February 29, 2016 . Production on this season started in late July . On January 5, 2016, CBS announced Michael Weatherly's departure from the series after thirteen seasons, which occurred in the Season 13 finale, "Family First". After Weatherly's exit, two new actors joined the cast as agents: Wilmer Valderrama, on June 16, 2016; and Jennifer Esposito, on July 11 . In addition, July 11 also saw Duane Henry, who had appeared in the last two episodes of Season 13 as MI6 Officer Clayton Reeves, promoted to series regular . Sarah Clarke, who had appeared in the last 2 episodes of Season 13 as FBI Special Agent Tess Monroe, with a series regular option for Season 14, was not retained . </P> <P> Upon completing production of the season, it was announced Jennifer Esposito would not return for Season 15 . </P>

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