Reese and Root end up in a small town in their hunt for Shaw on Person of Interest. "M.I.A." is the 13th episode of the show's fourth season.
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Control begins questioning the Samaritan's methods on Person of Interest. "Control-Alt-Delete" is the 12th episode of the show's fourth season.
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The team goes on a possible suicide mission to stop Samaritan on Person of Interest. "If-Then-Else" is the 11th episode of the show's fourth season.
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Samaritan makes a bold move to force the Machine out of hiding on Person of Interest. "The Cold War" is the tenth episode of the show's fourth season.
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Finch and Reese end up in the middle of a gang war on Person of Interest. "The Devil You Know" is the ninth episode of the show's fourth season.
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Reese goes undercover as a police instructor to keep an eye on a young officer on Person of Interest.
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Finch and Root take on a dangerous mission while Shaw risks detection on Person of Interest, "Honor Among Thieve"
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Finch's cover story sends him on a trip to Hong Kong on Person of Interest. "Pretenders" is the sixth episode of the show's fourth season.
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Person of Interest Quotes

Fusco: Shouldn't we call for backup?
Carter: You are my backup.

Bear, remember Lionel?

Reese