WHEN A SHOCKING TELL-ALL THREATENS TO RUIN CHRISTMAS FOR A DECORATED MARINE, NCIS MUST UNCOVER THE TRUTH AND DELIVER A HOLIDAY MIRACLE, ON "NCIS," MONDAY, DEC. 16

"Humbug" - When a shocking tell-all threatens to ruin Christmas for a decorated Marine, NCIS must uncover the truth and deliver a holiday miracle - before the book hits shelves and turns a hero's legacy into a holiday disaster, on the CBS Original series NCIS, Monday, Dec. 16 (9:00-10:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+ (live and on-demand for Paramount+ with SHOWTIME subscribers, or on-demand for Paramount+ Essential subscribers the day after the episode airs)*.

WRITTEN BY: Christopher J. Waild

DIRECTED BY: Lionel Coleman