Person of Interest 4.21 Preview

Person of Interest 4.21 (Preview)

**Person of Interest 4.21 (Preview)**

In this exclusive preview of Person of Interest's upcoming episode, "4.21," the Machine's team races against time to stop Samaritan from taking control of the world's nuclear arsenal. Finch and Root are determined to find a way to defeat Samaritan before it's too late, but time is running out. Meanwhile, Reese and Fusco team up to investigate the mysterious disappearance of a young woman, and they soon discover that she may be connected to Samaritan's plans.

Channel	Category	Duration	Views
Music	TV Clip	00:20	395

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