Watch NCIS: New Orleans Season 4 Episode 19 online via TV Fanatic with over 6 options to watch the NCIS: New Orleans S4E19 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, CBS All Access, Verizon On Demand, and CBS All Access (Via Amazon Prime).
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On NCIS: New Orleans Season 4 Episode 19, Percy and Lasalle go undercover at a underground poker game that targets players with access to a naval laboratory.