Watch NCIS: Los Angeles Season 4 Episode 17 online via TV Fanatic with over 7 options to watch the NCIS: Los Angeles S4E17 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, Xfinity, and USA.
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Sam fears for his family's safety when his wife is called to resume a former CIA cover after a case suggests ties to the infamous Sidorov and his stolen nukes.