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Season guide

Person of Interest: Season 3

23 episodes Premiered Sep 24, 2013 Updated Sep 20, 2026

Person of Interest Season 3 continues the overarching saga across 23 episodes. The series features action and adventure, crime, and sci-fi and fantasy elements. John Reese is identified as a former CIA paramilitary operative who is presumed dead. The production is broadcast on CBS and has received user and critic ratings across platforms such as The Movie Database, ČSFD.cz, and Kinobox.cz, reflecting its ongoing stat

Previously on Person of Interest

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • John Reese is a former CIA paramilitary operative who is presumed dead.
  • The series centers on characters who are being watched.
  • The overarching narrative involves action, crime, and sci-fi and fantasy elements.
  • The series originally premiered on CBS as an original television series.

Season overview

Person of Interest Season 3 continues the overarching saga across 23 episodes. The series features action and adventure, crime, and sci-fi and fantasy elements. John Reese is identified as a former CIA paramilitary operative who is presumed dead. The production is broadcast on CBS and has received user and critic ratings across platforms such as The Movie Database, ČSFD.cz, and Kinobox.cz, reflecting its ongoing status as a television series that follows characters who are being watched.

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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

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Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

17%
83%
Mytharc (4): Crucial lore & season climaxes
Core (19): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

Liberty

Sep 24, 2013

The Machine, now completely self-governed with its whereabouts unknown, resumes giving Finch its "irrelevant" numbers for people in danger, which include a U.S. naval officer in to

S3·E2 Core

Nothing to Hide

Oct 1, 2013

The number comes up for an Internet entrepreneur in the business of eliminating people's privacy, but finds his own being rapidly stripped away. As his life spirals out of control,

S3·E3 Core

Lady Killer

Oct 8, 2013

The team suspects the latest number to be a potential stalker/ killer. Root plots her escape from the institution and gives her psychiatrist a big surprise.

S3·E4 Core

Reasonable Doubt

Oct 15, 2013

The team must figure out if a prominent lawyer orchestrated the murder of her husband or if she is being framed; Carter is spotted with Reese by her new partner.

S3·E5 Core

Razgovor

Oct 22, 2013

Shaw must stay close to a 10-year-old girl with highly developed surveillance skills when she is identified by the machine; Carter's mission could be exposed.

S3·E6 Core

Mors Praematura

Oct 29, 2013

After being freed from her confinement to the psych ward, Root needs Shaw's help with a directive from the machine; Finch and Reese look into a mild-mannered investigator.

S3·E7 Core

The Perfect Mark

Nov 5, 2013

The team is met with surprises during an investigation into a hypnotherapist; an antiquities dealer has ties to a crime organization.

S3·E8 Mytharc

Endgame

Nov 12, 2013

The machine gives Finch 38 numbers at once; information about Carter's past is revealed.

S3·E9 Core

The Crossing

Nov 19, 2013

The battle to bring a crime organization to justice reaches a new level; Reese's number comes up in the machine.

S3·E10 Core

The Devil's Share

Nov 26, 2013

As the POI team seeks justice for Carter’s murder, Finch realizes one of his team members may go one step too far in order to end the war with HR. Also, The Machine gives out the n

S3·E11 Core

Lethe

Dec 17, 2013

Flashbacks to Finch’s adolescence provide insight into his creation of The Machine. Also, the team receives the number of an already dying man, and Reese leaves the POI team behind

S3·E12 Core

Aletheia

Jan 7, 2014

Multiple enemies converge on the POI team as they protect a dying man whose number has come up. They struggle to keep their enemies at bay but without Reese, who has left them and

S3·E13 Core

4C

Jan 14, 2014

Reese boards an international flight in an attempt to put the team and the past behind him, but is angered when he realizes his travel plans have been manipulated.

S3·E14 Core

Provenance

Feb 4, 2014

Reese rejoins Finch in New York, but when the team receives the number of a highly skilled antiquities thief, a surprising turn of events finds them planning a heist which could la

S3·E15 Core

Last Call

Feb 25, 2014

Finch goes undercover in an emergency call center to protect a 911 operator, but it soon becomes clear that the threat reaches further than the team could have anticipated.

S3·E16 Core

RAM

Mar 4, 2014

The secrets of Finch’s operation before he enlisted Reese are revealed, including shocking ties to present-day events.

S3·E17 Core

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Mar 18, 2014

The Machine assigns Root to seek out a janitor with a mysterious past, but when her very presence puts his life in danger, Finch also receives his number.

S3·E18 Core

Allegiance

Mar 25, 2014

Finch and Reese must delve into the murky waters of international politics when they are given the number of a former government contractor who is stalking a UN diplomat. Also, an

S3·E19 Core

Most Likely To...

Apr 1, 2014

Reese and Shaw pose as alumni at a high school reunion in order to keep eyes on the latest POI. Meanwhile, Finch and Fusco travel to Washington, D.C., to investigate the motivation

S3·E20 Core

Death Benefit

Apr 15, 2014

Reese poses as a Secret Service agent to get close to the latest POI, a U.S. congressman who may hold the key to derailing Decima’s plans to bring a second Machine online.

S3·E21 Core

Beta

Apr 29, 2014

As Decima uses Samaritan’s feeds to hunt Reese and Shaw, Greer exploits Finch’s greatest weakness in an attempt to lure him out of hiding: his love for his former fiancée, Grace He

S3·E22 Mytharc

A House Divided

May 6, 2014

When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the

S3·E23 Mytharc

Deus Ex Machina

May 13, 2014

The team takes desperate action in its race to prevent the malevolent AI program Samaritan from coming online and making them its first targets. Meanwhile, the months-long battle w