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Person-of-interest
Watch Person of Interest Season 2 Episode 21 online via TV Fanatic with over 2 options to watch the Person of Interest S2E21 full episode. Affiliates with free and paid streaming include Amazon and iTunes.

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Episode Details

Person of Interest Season 2 Episode 21: "Zero Day"

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

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