Watch NCIS Season 16 Episode 21 online via TV Fanatic with over 7 options to watch the NCIS S16E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, CBS All Access, and CBS All Access (Via Amazon Prime).
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On NCIS Season 16 Episode 21, after entering cold case DNA, Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free.