Watch NCIS: Los Angeles Season 4 Episode 21 online via TV Fanatic with over 6 options to watch the NCIS: Los Angeles S4E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, and USA.

Episode Details

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.

Rating: 1.9 / 5.0 (343 Votes)
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