Fans emotionally reacted to the surprise ending, which featured the sudden death of a beloved character's daughter.
Time to say goodbye: On Tuesday's episode, Sloane moved on to begin a new chapter in her life. But did she and Gibbs finally kiss?
Maria Bello signs off the hit series after four seasons with Tuesday night's episode, 'True Believer.'
'He's doing whatever he can just keep his head above water,' Brian Dietzen told ET of his character's loss.
The actor previews Tuesday's emotional episode. Plus, watch ET's exclusive clip.
The optimistic medical examiner suffers a great loss in a new episode, airing Tuesday, Feb. 9 at 8 p.m. ET/PT on CBS.
An all-new episode airs Sunday, Dec. 13 at 10 p.m. ET/PT on CBS.
Back-to-back episodes air Sunday, Dec. 6 starting 9:30 p.m. ET/9 p.m. PT on CBS. Watch an exclusive sneak peek from the second episode.
ET spoke with 'NCIS' star Mark Harmon about his son returning again to play young Gibbs for the 400th episode, airing tonight on CBS.
The star and executive producer talks to ET about Tuesday's landmark hour.
ET spoke to the cast of 'NCIS' ahead of their season 18 premiere, tonight on CBS.
ET's Rachel Smith spoke with actress CCH Pounder ahead of the 'NCIS: New Orleans' season premiere on Nov. 8 on CBS
New comedy 'B Positive' also gets a series launch date.
The actress joined the long-running CBS procedural in season 15.
