Finch and Reese attempt to save the Machine's source code on the premiere of Person of Interest. "B.S.O.D." is the first episode of the show's fifth season.
Finch and Root race against time to try and save the Machine on the season finale of Person of Interest. "YHWH" is the 22nd episode of the show's fourth season.
Reese investigates a case that Detective Carver was never able to solve on Person of Interest. "Terra Incognita" is the 20th episode of the show's fourth season.
Reese and Finch must protect a street grifter whose plans have gone wrong on Person of Interest. "Blunt" is the 16th episode of the show's fourth season.
Reese tries to protect a woman who appears to have been granted a second life on Person of Interest. "Q & A" is the 15th episode of the show's fourth season.
When you find that one person who connects you to the world, you become someone different, someone better. When that person is taken from you, what do you become then?