Watch Person of Interest Season 2 Episode 21 online via TV Fanatic with over 7 options to watch the Person of Interest S2E21 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, Netflix, YouTube Purchase, Google Play, and Verizon On Demand.
|YouTube Purchase||Watch Now|
|Google Play||Watch Now|
|Verizon On Demand||Watch Now|
When the Machine is infected by a virus, can its numbers be trusted on Person of Interest.