Are you a TV Fanatic?
Sign up for our daily newsletter to receive personalized television news for free!
Watch NCIS: Los Angeles Season 4 Episode 21 online via TV Fanatic with over 2 options to watch the NCIS: Los Angeles S4E21 full episode. Affiliates with free and paid streaming include Amazon and iTunes.
When a cartel boss' body goes missing, Kenzi and Deeks head down to Mexico to investigate while Callen and Sam try to figure out if there's a leak in the DEA on NCIS: Los Angeles.