Watch NCIS: Los Angeles Online: Season 12 Episode 3

Did Nell's tip cause a world of problems for Sam?

On NCIS: Los Angeles Season 12 Episode 3, a surprising mission about an informant who blew the whistle on a military secret resulted in a devastating turn of events. 

Meanwhile, Kensi and Deeks debated whether or not to buy their first house.

But what held them back from pulling the trigger on the big thing?

Use the video above to watch NCIS: Los Angeles online right here via TV Fanatic. 

Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.

TV Fanatic is your destination for the latest news, spoilers, reviews, and so much more!