Episode guide

Person of Interest

Series 3

Person of Interest

  • Root Path

    Finch is on the case when the number of a janitor with a haunted past comes up, but soon discovers that the threat on the man's life comes from none other than Root.

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  • Razgovor

    Shaw is assigned to protect a 10-year-old girl who recorded a conversation detailing HR's plans to use the Russian mafia to distribute a new drug.

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  • Allegiance

    The team gets involved in international politics when Finch and Reese are given the number of a former government contractor who is stalking a UN diplomat.

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  • Person of Interest (03) Person of Interest (03)

    Reese and Finch receive the number for Shanghai-born events planner Kelli Lin, but the theft of a Cezanne painting at an exhibit she's involved in reveals her true identity.

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  • Liberty

    Reese, Finch and Shaw try to find a naval officer among thousands of sailors on shore leave. Meanwhile, Root is still being held in a psychiatric unit.

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  • The Perfect Mark

    The Machine directs Finch to an unlicensed and crooked hypnotherapist. Carter tries to protect Laskey when Simmons and Terney ask him to kill a money launderer.

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  • Beta

    Decima hunts down Reese and Shaw using Samaritan's feeds. Meanwhile, Greer sets a trap for Finch by targeting his former fiancee, Grace.

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  • Endgame

    Finch receives 38 numbers simultaneously from the Machine, and realises someone is pitting the corrupt police group against the Russian mob.

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  • Deux Ex Machina

    The team takes desperate actions in a race to prevent the malevolent AI program Samaritan from coming online and making them its first targets.

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  • A House Divided

    An unknown entity prevents the Machine from seeing the full picture of a catastrophic event, while Root's team arrives in New York.

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  • RAM

    A series of flashbacks reveal Finch's first employee and introduces Reese's predecessor Rick Dillinger.

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  • Lethe

    The number of an already dying man comes up, and Reese leaves the team behind in the aftermath of the war with the crime organisation.

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  • Nothing to Hide

    Finch, Reese and Shaw try to track down the head of a company that collects and sells data about individuals to big businesses and government departments.

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  • Most Likely To

    When the team is too late for its latest number and a woman is murdered for knowing too much, Reese and Shaw are forced to go undercover to attend a high school reunion.

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  • Aletheia

    Control, Hersh and their operatives hold Finch, Shaw and Claypool captive, demanding to know the location of Finch's Machine.

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  • Mors Praematura

    The Machine sends Root and Shaw to an organisation that it has identified as a danger, while Finch sets to work on the latest number issued by the computer.

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  • Lady Killer

    The team searches for a playboy, suspected of being a predatory stalker. Meanwhile, the Machine helps Root try to escape from the psychiatric hospital.

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  • Last Call

    Finch goes undercover at an emergency call centre in an attempt to protect the latest person called by the Machine: a 911 operator and trainee supervisor.

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  • 4C

    Reese catches a last-minute flight to Istanbul under an assumed name, hoping to leave his past behind. However, the Machine soon interferes with his plan.

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  • The Devil's Share

    A badly-wounded Reese goes on the hunt for Simmons, seeking vengeance for what he did to Carter. Finch tries to find his friend before he succumbs to his injures.

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  • The Crossing

    Reese and Carter drag a wounded Alonzo Quinn away from the gunfight with HR and plan to turn him over to the FBI.

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  • Reasonable Doubt

    Reese and Finch try to track down a prosecuting attorney who is suspected of murdering her husband, while Carter remains unaware that Laskey is spying on her for HR.

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  • Death Benefit

    News of Northern Lights hits the media, meaning that the team's work has become more difficult due to the public spotlight on proceedings.

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Person of Interest

Series 2

Person of Interest

  • Relevance

    Reese and Finch have their work cut out when they're assigned to protect two anti-terrorist government agents, who also receive their targets from the Machine.

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  • Til Death

    Reese and Finch attempt to protect the married owners of a publishing house from the leader of a private militia, but discover the real threat may lie closer to home.

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  • The High Road

    The Machine directs Reese to a hardware shop owner, whose former associates want him to return to his previous profession as a safe-cracker.

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  • Dead Reckoning

    Kara Stanton forces Reese and Agent Snow to help break into a defence department lab and steal a computer virus powerful enough to shut down the Machine.

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  • Prisoner's Dilemma

    Carter is forced to interrogate Reese as Donnelly steps up the pressure to discover the identity of the vigilante. Fusco protects a supermodel from mobsters.

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  • Zero Day

    Finch and Reese are sent to protect the mysterious millionaire CEO of a data-entry company, and discover the Machine itself is in danger from the Stanton virus.

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  • In Extremis

    Reese and Finch are assigned to protect a heart surgeon, only to discover he's already been poisoned with polonium and has just 24 hours to live.

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  • All In

    Reese and Finch head to Atlantic City, where they discover that a shady casino owner has been using a group of elderly customers to launder drug money.

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  • Booked Solid

    Reese and Finch find themselves surrounded by potential suspects as they try to protect an Albanian hotel maid, while Moss invites Carter to become an FBI field agent.

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  • Masquerade

    The daughter of a Brazilian diplomat is targeted by kidnappers. Carter suspects that Snow made a post-mortem incision into Corwin's body and removed something.

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  • The Contingency

    Reese discovers more about how the supercomputer works, but becomes frustrated when it fails to track down Finch, who is being held hostage by Root.

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  • Bury the Lede

    The Machine dispenses the social security number of an uncompromising journalist, and Reese and Finch discover a long list of people who would like to see her dead.

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  • Bad Code

    Reese delves into Root's past to see if he can find a clue about where she is holding Finch, and heads to Texas with Carter to find information on the contract killer.

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  • Shadow Box

    Reese helps a woman accused of stealing from a charity that supports veterans returning from overseas duty, while Carter receives a tempting offer from the FBI.

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  • COD

    The Machine selects the social security number of a cab driver who is trying to get his family out of Cuba, but a laptop left in his taxi puts his life in danger.

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  • God Mode

    Root now has unfettered access to the Machine following the reboot, but it refuses to divulge its location. Meanwhile, Terney shows Carter his true colours.

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  • Trojan Horse

    Finch infiltrates a hi-tech firm after the Machine gives up the number of an executive suspected of stealing company secrets.

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  • Proteus

    Reese and Finch are marooned on an island during a fierce storm as they try to track down a serial killer who is assuming the identities of his victims.

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  • One Percent

    Reese and Finch try to protect the co-creator of a social-networking site that's being floated on the stock market, and discover he is having an affair with a rival's wife.

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  • 2 Pi R

    Carter struggles to dispose of the DNA evidence the FBI has that would link Reese to the vigilante. Meanwhile, Finch goes undercover as a teacher at a Brooklyn high school.

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  • Critical

    Finch and Reese try to help a surgeon who is being blackmailed into making a fatal error during an operation on the CEO of a major energy company.

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  • Triggerman

    Reese has his work cut out trying to protect a mob enforcer and his girlfriend after the hitman's boss takes out a million-dollar contract on both of them.

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Person of Interest

Series 4

Person of Interest

  • Guilty

    When the Machine arranges for Finch to sit on the jury of a murder trial, he begins to suspect that a fellow juror is set to rig the proceedings.

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  • Point of Origin

    Reese volunteers as an NYPD academy instructor to keep an eye on a talented young officer whose suspicious actions make him question her motives.

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  • Karma

    Reese and Finch assist a psychotherapist whose unorthodox methods for helping his patients find closure could cost him dearly.

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  • MIA

    The hunt for Shaw takes Root and Reese to a town in upstate New York where nothing is as idyllic as it seems. Fusco and former person of interest Dani Silva team up.

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  • Control-Alt-Delete

    Control is back and ]questions the methods and intentions of Samaritan, while news reports surface of a pair of vigilantes rampaging through the north-east.

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  • If-Then-Else

    Samaritan launches a cyber-attack on the stock exchange, forcing members of the team to risk their lives in a desperate mission to stop a global economic crash.

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  • Honour Among Thieves

    Shaw joins a gang of international thieves to keep tabs on the latest target, but is put in danger of being detected by Samaritan.

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  • Nautilus

    The latest number thrown up by the Machine belongs to a student engaged in a life-or-death scavenger hunt, and Finch must decide if he can help without alerting Samaritan.

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  • Search and Destroy

    The CEO of a software company becomes the victim of a malicious cyber-attack that makes his secrets public, puts him in jail and destroys his life.

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  • Q&A

    Reese goes undercover at an internet search company to protect a software programmer, and former person of interest Claire Mahoney resurfaces and seeks Finch's help.

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  • Pretenders

    Reese meets his biggest fan when an unassuming office worker pretending to be a detective stumbles into a dangerous conspiracy.

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  • YHWH

    Root and Finch race to save the Machine, which has been located by Samaritan. Reese is caught in the middle of the final showdown between Elias and Dominic.

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  • Blunt

    Reese and Finch try to protect a con artist after her scheme to steal money from a medical marijuana dispensary is scuppered when the Brotherhood becomes involved.

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  • The Devil You Know

    Reese and Finch are caught in a power struggle for control of the city's gangs when Elias is targeted by Dominic, the ambitious leader of the Brotherhood.

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  • Terra Incognita

    Reese is badly wounded while trying to protect the latest person of interest, who was the prime suspect in one of Carter's cold cases.

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  • Brotherhood

    Reese's cover job as an NYPD detective becomes complicated when the brother and sister he is protecting become targets of a gang investigation.

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  • Skip

    Reese is assigned to protect a bounty hunter searching for her brother's killer, while Finch tries to set in motion the plan he devised in Hong Kong.

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  • The Cold War

    Samaritan takes control of New York for 48 hours and erases crime from the city in an attempt to lure the Machine out of hiding.

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  • The Wingman

    Reese must find a way to play by the rules at his new day job, while the Machine sends Finch and Root on a mysterious errand.

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  • Panopticon

    Forced to take on new identities, the members of the team try to adapt to their new lives.

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  • Prophets

    Finch is suspicious when the Machine emits the number of a gifted political pollster at the same time his normally accurate predictions turn out to be wrong.

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  • Asylum

    Reese and Fusco are caught up in the gang war between Elias and Dominic. Finch and Root follow a clue to Shaw's whereabouts, aware that they may be heading into a trap.

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Person of Interest

Series 1

Person of Interest

  • Cura Te Ipsum

    The Machine directs Reese toward Megan Tillman, a hard-working doctor who is seemingly devoted to her job - but he discovers she is leading a dangerous double life.

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  • No Good Deed

    A National Security Agency analyst learns of the Machine's existence, and Reese has his work cut out to protect the man from government assassins.

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  • Baby Blue

    The Machine directs Finch to an abandoned six-month-old girl with an anonymous benefactor, while Carter and Reese make an offer to the father of mob boss Carl Elias.

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  • Risk

    The Machine directs Reese toward a young financial trader who is about to expose classified information about the Wall Street company he works for.

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  • Number Crunch

    Reese and Finch are puzzled when the machine brings up four numbers at once, and face a race against time to discover what links their latest targets.

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  • The Fix

    Reese keeps tabs on Zoe Morgan, a crisis-management expert who specialises in shady deals, but Finch takes an interest in the case when he discovers a link to an old case.

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  • Root Cause

    The Machine points Reese and Finch toward a disgruntled and unemployed man who appears to be planning to kill the politician he blames for the loss of his job.

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  • Legacy

    The Machine directs Reese and Finch to protect a lawyer who specialises in suing on behalf of convicts who claim they were wrongfully imprisoned.

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  • Judgement

    Reese tracks judge Samuel Gates, who has been identified by the machine, and realises he needs protection - but as his investigation gets underway, the man's son is kidnapped.

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  • Many Happy Returns

    Finch tries to keep Reese away from a case that has similarities with the circumstances surrounding the death of his ex-girlfriend Jessica.

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  • Identity Crisis

    Reese and Finch must determine who needs their help when the Machine generates a number belonging to two people. Carter gains further insight into Reese's secret life.

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  • Super

    As Reese recovers from being shot in a rented apartment, the Machine reveals that one of the building's other tenants is in danger.

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  • Witness

    Reese and Finch work with organised-crime detectives to protect a teacher who has been forced into hiding after witnessing a gangland assassination.

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  • Flesh and Blood

    The Machine dispenses the social security numbers of the heads of the five New York Mafia families, and Reese and Finch assume that Carl Elias is planning to kill them.

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  • Foe

    Reese is pitted against his deadliest foe to date when the machine leads him to a former East German secret agent with a score to settle.

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  • Mission Creep

    The Machine's next target is a former soldier who is part of a gang of bank robbers, and Reese must go undercover to determine whether he needs protecting or stopping.

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  • Firewall

    When Fusco reveals that HR has taken on a lucrative contract to kill psychotherapist Caroline Turing, Reese goes undercover to rescue her from two gunmen.

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  • Wolf and Cub

    The Machine directs Reese to 14-year-old Darren McGrady, and discovers the boy is out to avenge the murder of his brother by a gang.

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  • Ghosts

    Reese is perplexed when the Machine assigns him to investigate a teenage girl who was reported dead two years previously, but Finch insists his system cannot have made a mistake.

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  • Blue Code

    Reese infiltrates a smuggling ring to discover how a seemingly unassuming and trustworthy air ambulance pilot became involved in serious criminal activity.

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  • Pilot

    Former CIA agent John Reese is recruited by reclusive billionaire and software genius Harold Finch to prevent violent crimes in New York City.

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  • Get Carter

    Reese and Finch are taken aback when the Machine's latest number belongs to Joss Carter, the detective perilously close to uncovering their secret operation.

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  • Matsya Nyaya

    Reese is reminded of his final mission for the CIA when an undercover assignment to protect a security guard takes an unexpected turn. Snow warns Carter to avoid the FBI.

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Person of Interest

Series 5

Person of Interest

  • Return O

    The stage is set for an apocalyptic confrontation between the Machine and Samaritan, as the Ice-9 virus begins to have disastrous effects worldwide.

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  • Truth Be Told

    Reese is forced to revisit an episode from his past he would rather forget, and the Machine comes up with the number of Alex Duncan, a security computer analyst.

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  • .exe

    Reese and Shaw race to catch up with Finch, who has stolen a virus that is not only capable of killing Samaritan, but also the Machine and the rest of the internet.

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  • Sotto Voce

    A dangerous adversary resurfaces and Root makes a shocking discovery. The Machine comes up with the number of a locksmith who is about to detonate a bomb in an office.

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  • ShotSeeker

    Reese is assigned to protect an NYPD analyst whose discovery of a software glitch has put him at risk from Samaritan. Meanwhile, Fusco has a narrow escape.

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  • The Day the World Went Away

    Finch's number comes up when his cover identity is compromised, and Samaritan unleashes a succession of operatives to capture him.

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  • Snafu

    Reese and Finch manage to procure hardware that enables them to reboot the Machine, but it loses the ability to tell the difference between the past and present.

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  • BSOD

    Reese and Finch attempt to reboot the Machine before the source code deteriorates. Meanwhile, Fusco is questioned about the deaths of Dominic and Elias.

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  • Reassortment

    Reese and Finch are trapped in a hospital during an outbreak of a lethal flu virus. Shaw executes her escape plan, only to find herself in prison in Johannesburg.

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  • A More Perfect Union

    Reese and Finch attend a wedding where one of the guests is murdered, while Greer becomes desperate after the failure of his numerous simulations with Shaw.

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  • Synecdoche

    Harold goes on a road trip with the Machine. Meanwhile, Reese and Fusco reunite with Shaw and travel to Washington, DC.

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  • QSO

    Root goes undercover at a radio station. After recovering from his injuries, Fusco decides that he has had enough and tells Finch that he is going to quit.

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  • 6,741

    Sameen Shaw has a microchip implanted in her brain to turn her into a Samaritan asset, but she manages to escape and get in contact with Finch and Reese.

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