NCIS: LA Boss: Episode 100 Is 'Chris O'Donnell's Best Work' -- Watch a 'Shocking' Sneak Peek

This Tuesday at 9/8c, CBS’ NCIS: Los Angeles marks 100 episodes with a kidnapping case that involves someone very close to Agent Callen — he just doesn’t know it yet. Show boss Shane Brennan gave TVLine a preview of the “very powerful” and moving Callen-centric hour and the bombshell it threatens to drop. READ MORE & WATCH THE FIRST 60 SECONDS

NCIS: LA Boss Talks 'Brutal' Premiere, Kensi's Big Scare, New Callen Intel, Episode 100 and More

Several lives (and perhaps a bit of love) were left in jeopardy as CBS’ NCIS: Los Angeles wrapped its fourth season. Tonight at 9/8c, the drama picks up right where it left off, with Deeks being brutally tortured for intel on Quinn and Sam’s wife dangling from a window ledge. (As previously scooped, Michelle is not easily felled.) Here, showrunner Shane Brennan previews …READ MORE

NCIS: LA Boss Previews Callen vs. Hetty, Kensi/ Deeks Payoff and the Show's Darkest Finale Ever

Tonight at 9/8c, CBS’ NCIS: Los Angeles launches into the final three episodes of Season 4, opening with an hour that pits Callen against Hetty, then lightening things up by ruffling Kensi’s feathers, and closing the season with events that Shane Brennan can’t use the word “dark” often enough to describe. Here, the showrunner previews all that’s to come. READ MORE