“Humbug” – When a stunning tell-all threatens to damage Christmas for a adorned Marine, NCIS should uncover the reality and ship a vacation miracle – earlier than the e-book hits cabinets and turns a hero’s legacy into a vacation catastrophe, on the CBS Unique sequence NCIS, Monday, Dec. 16 (9:00-10:00 PM, ET/PT) on the CBS Tv Community, and streaming on Paramount+ (dwell and on-demand for Paramount+ with SHOWTIME subscribers, or on-demand for Paramount+ Important subscribers the day after the episode airs)*.