'NCIS: LA' Sneak Peek: Kensi and Deeks Bicker Over Baby Expenses (Exclusive)

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. In order to get intel on a matter of national security, Kensi must come face-to-face with a sociopath who has been obsessed with her since she put him in jail years ago. Also, though Eric is desperate to keep Kensi safe, he is forced to leave NCIS.