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