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.

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Episode Details

When the Machine is infected by a virus, can its numbers be trusted on Person of Interest.

Rating: 4.8 / 5.0 (264 Votes)
Person of Interest
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