A complete guide to every NCIS crossover event, including what happened in the episodes across the expanding franchise.

The Season 5 finale of CBS' NCIS: Los Angeles — as it was titled — left Sam and Callen in "Deep Trouble," locked inside a small sub rigged with explosives and headed for a target unknown, and with no ...

NCIS: LA’s Merry Evasion delivers heart, humor, and high-stakes action—making it the show’s best Christmas episode 12 years ...