Root Cause: Reese and Finch open a surveillance operation into a man who has become increasingly bitter after losing his job. Is the case linked to death threats made to a congressman? (S1 Ep13)
Legacy: Reese and Finch offer Detective Carter the opportunity to work together on their latest investigation - a lawyer who specialises in wrongful imprisonment. (S1 Ep12)
Super: The latest person of interest is the superintendent of an apartment block who seems to have an unhealthy interest in one of his female tenants. But is all as it seems? (S1 Ep11)
Number Crunch: Reese and Finch question the accuracy of 'The Machine' as it produces four social security numbers. Meanwhile, Carter is stood down following the death of her informant. (S1 Ep10)
Get Carter: Reese and Finch are shocked to discover that Detective Carter is the subject of their investigation. Can they figure out why 'The Machine' identified her before it is too late? (S1 Ep9)
Foe: 'The Machine' identifies a former Stasi agent as the latest person of interest, forcing Reese and Burke to unlock hidden secrets from the past to solve the case. (S1 Ep8)
Witness: Reese and Finch are embroiled in a case surrounding the rivalry between Russian mobsters and the mafia, and their latest person of interest is a witness to a gang murder. (S1 Ep7)
The Fix: Reese goes undercover as a driver for a professional fixer to discover whether she is an intended victim or the criminal. Finch finds a connection between this and a historic case. (S1 Ep6)
Judgment: 'The Machine' identifies Samuel Gates, a judge with a reputation for hardline sentencing, as Reese and Finch's next person of interest. (S1 Ep5)
Cura Te Ipsum: Reese carries out surveillance on a young doctor, with the investigators believing she is the intended victim of a known stalker. (S1 Ep4)
Mission Creep: 'The Machine' leads Reese and Finch to investigate an ex-soldier involved in a crime ring, forcing Reese to go on a dangerous undercover assignment to infiltrate the gang. (S1 Ep3)
Ghosts: Reese and Finch question the reliability of 'The Machine' after it identifies a teenager who was killed two years ago as their next person of interest. (S1 Ep2)
Yhwh: Root and Finch face one of their toughest missions when Samaritan locates the whereabouts of The Machine; Reese finds himself in danger during a showdown between Elias and Dominic. (S4 Ep22)
Yhwh: Root and Finch face one of their toughest missions when Samaritan locates the whereabouts of The Machine; Reese finds himself in danger during a showdown between Elias and Dominic. (S4 Ep22)
Asylum: Reese and Fusco investigate two warring crime bosses revealed as the latest persons of interest; Finch and Root discover a clue which could lead them to Shaw. But is it a trap? (S4 Ep21)
Search and Destroy: Reese and Finch investigate a software engineer as their latest person of interest. Can they discover the reasons for his sudden, erratic behaviour? (S4 Ep19)
Skip: A bounty hunter becomes the latest person of interest - but can Reese discover whether she is a potential threat or victim? Finch initiates the plan he concocted in Hong Kong. (S4 Ep18)
Yhwh: Root and Finch face one of their toughest missions when Samaritan locates the whereabouts of The Machine; Reese finds himself in danger during a showdown between Elias and Dominic. (S4 Ep22)
Asylum: Reese and Fusco investigate two warring crime bosses revealed as the latest persons of interest; Finch and Root discover a clue which could lead them to Shaw. But is it a trap? (S4 Ep21)
Asylum: Reese and Fusco investigate two warring crime bosses revealed as the latest persons of interest; Finch and Root discover a clue which could lead them to Shaw. But is it a trap? (S4 Ep21)
Search and Destroy: Reese and Finch investigate a software engineer as their latest person of interest. Can they discover the reasons for his sudden, erratic behaviour? (S4 Ep19)
Search and Destroy: Reese and Finch investigate a software engineer as their latest person of interest. Can they discover the reasons for his sudden, erratic behaviour? (S4 Ep19)
Skip: A bounty hunter becomes the latest person of interest - but can Reese discover whether she is a potential threat or victim? Finch initiates the plan he concocted in Hong Kong. (S4 Ep18)
Skip: A bounty hunter becomes the latest person of interest - but can Reese discover whether she is a potential threat or victim? Finch initiates the plan he concocted in Hong Kong. (S4 Ep18)
Karma: Reese and Finchs latest person of interest is a psychologist with unorthodox methods. Meanwhile, flashbacks tell the story of a harrowing incident in Finchs life. (S4 Ep17)
Karma: Reese and Finchs latest person of interest is a psychologist with unorthodox methods. Meanwhile, flashbacks tell the story of a harrowing incident in Finchs life. (S4 Ep17)
Q & A: Reese investigates a software programmer with a double life. But can he discover which of her lives has made her a person of interest? (S4 Ep15)
Guilty: Finch becomes suspicious of a fellow juror when he goes undercover during a murder trial. Meanwhile, Reese starts to open up to the departmental therapist. (S4 Ep14)
M.I.A.: Reese and Root continue their search for Shaw in a small town in upstate New York. Elsewhere, Fusco joins forces with a former person of interest. (S4 Ep13)
Karma: Reese and Finchs latest person of interest is a psychologist with unorthodox methods. Meanwhile, flashbacks tell the story of a harrowing incident in Finchs life. (S4 Ep17)
Q & A: Reese investigates a software programmer with a double life. But can he discover which of her lives has made her a person of interest? (S4 Ep15)
Q & A: Reese investigates a software programmer with a double life. But can he discover which of her lives has made her a person of interest? (S4 Ep15)
Guilty: Finch becomes suspicious of a fellow juror when he goes undercover during a murder trial. Meanwhile, Reese starts to open up to the departmental therapist. (S4 Ep14)
Guilty: Finch becomes suspicious of a fellow juror when he goes undercover during a murder trial. Meanwhile, Reese starts to open up to the departmental therapist. (S4 Ep14)
M.I.A.: Reese and Root continue their search for Shaw in a small town in upstate New York. Elsewhere, Fusco joins forces with a former person of interest. (S4 Ep13)
M.I.A.: Reese and Root continue their search for Shaw in a small town in upstate New York. Elsewhere, Fusco joins forces with a former person of interest. (S4 Ep13)
Control-Alt-Delete: Control questions the intentions and methods behind the Samaritan programme. Meanwhile, Reese and Root are on a personal mission to discover Shaws fate. (S4 Ep12)
If-Then-Else: The battle between Samaritan and the PoI team intensifies when a cyber-attack is launched. Can the team survive a suicide mission to prevent an economic crisis? (S4 Ep11)
The Cold War: Samaritan launches covert operations in an attempt to force The Machine out of hiding. But will their audacious plan defeat the person of interest team? (S4 Ep10)
The Devil You Know: Reese and Finch find themselves immersed in the world of organised crime when two gangs battle for supremacy. Elsewhere, Root and Shaw have a difference of opinion. (S4 Ep9)
Point of Origin: Reese goes undercover as an NYPD academy instructor when a young officer is revealed as the next person of interest. Meanwhile, Martine searches for a member of the team. (S4 Ep8)
Control-Alt-Delete: Control questions the intentions and methods behind the Samaritan programme. Meanwhile, Reese and Root are on a personal mission to discover Shaws fate. (S4 Ep12)