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Season guide

Person of Interest: Season 1

23 episodes Premiered Sep 22, 2011 Updated Jul 19, 2026

Person of Interest is an American science fiction crime drama television series that aired on CBS. The series was created by Jonathan Nolan. It follows Harold Finch, a reclusive billionaire and software genius, and John Reese, a former CIA paramilitary operative, as they use state-of-the-art technology to identify and prevent violent crimes in New York City. The two secretly tap into a supercomputer known as "The Mac

Season overview

Person of Interest is an American science fiction crime drama television series that aired on CBS. The series was created by Jonathan Nolan. It follows Harold Finch, a reclusive billionaire and software genius, and John Reese, a former CIA paramilitary operative, as they use state-of-the-art technology to identify and prevent violent crimes in New York City. The two secretly tap into a supercomputer known as "The Machine" that analyzes data patterns in surveillance to identify impending acts of terrorism and ordinary people who are about to be involved in violent crimes. The series explores the complex relationship between Finch and Reese as they navigate their vigilante tactics and confront the moral implications of their actions.

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Season 1 Episodes

Episode Guide

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Season 1: 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
S1·E1 Mytharc

Pilot

Sep 22, 2011 · 43 min

When the social security number of a young prosecutor comes up, Reese and Finch work together to figure out if their person of interest is the victim or perpetrator.

S1·E2 Core

Ghosts

Sep 29, 2011 · 43 min

Reese and Finch question the machine's reliability when they are asked to investigate a teenager who was killed years earlier; Finch remembers the origin of the machine.

S1·E3 Core

Mission Creep

Oct 6, 2011 · 43 min

Reese goes undercover to find the threat surrounding the next person on Finch's list: a young army veteran named Joey Durban.

S1·E4 Core

Cura Te Ipsum

Oct 13, 2011 · 43 min

Reese and Finch get some help from Detective Fusco as they surveil their latest POI, Dr. Megan Tillman, while she’s on call and after hours to unravel the threat surrounding the p

S1·E5 Core

Judgement

Oct 20, 2011 · 42 min

Reese and Finch have the added challenge of investigating a Person of Interest who wants nothing to do with their brand of vigilante justice.

S1·E6 Core

The Fix

Oct 27, 2011 · 43 min

Reese becomes romantically involved with the newest Person of Interest: an attractive woman who isn't all that she seems.

S1·E7 Core

Witness

Nov 3, 2011 · 43 min

The Machine identifies a school teacher who witnessed a mob hit as their next POI and Reese and Finch rush to save his life.

S1·E8 Core

Foe

Nov 17, 2011 · 43 min

When Reese and Finch discover that their latest POI has connections to Cold War Soviet espionage circles, they quickly learn how covert ops were handled in a world before The Machi

S1·E9 Core

Get Carter

Dec 8, 2011 · 43 min

Reese and Finch’s game of cat and mouse with Detective Carter becomes infinitely more complicated when The Machine declares that she is their newest POI.

S1·E10 Core

Number Crunch

Dec 15, 2011 · 43 min

As Detective Carter deals with the fallout from her recent encounter with Reese and Finch, The Machine ups the ante for the duo by giving them four Social Security numbers instead

S1·E11 Core

Super

Jan 12, 2012 · 43 min

Reese is confined to a wheelchair recovering from his gunshot wound, but Finch sets him up in an apartment where he’s to keep an eye on the Super, who is their latest POI. Also, Fi

S1·E12 Core

Legacy

Jan 19, 2012 · 43 min

When Carter finally comes face-to-face with Reese, he urges her to join forces to help with their latest POI, a scrappy young woman from the wrong side of the tracks who turned her

S1·E13 Core

Root Cause

Feb 2, 2012 · 43 min

The Machine gives Reese and Finch the number of a down-and-out man who has been pushed too far, and they're forced to turn to former Person of Interest, Zoe Morgan, for help.

S1·E14 Mytharc

Wolf and Cub

Feb 9, 2012 · 43 min

The Machine identifies Darren, a teenager whose brother was just murdered, as the next POI. Meanwhile, Finch is growing concerned that the son of his former business partner is dan

S1·E15 Core

Blue Code

Feb 16, 2012 · 43 min

Reese discovers there’s more to the story after he infiltrates a smuggling ring to get close to his latest POI.

S1·E16 Core

Risk

Feb 23, 2012 · 43 min

The Machine leads Reese and Finch to Wall Street when a sharp young trader at a major investment bank becomes embroiled in a multi-million dollar financial scam.

S1·E17 Core

Baby Blue

Mar 8, 2012 · 43 min

When The Machine spits out the number of a 6-month-old baby, Reese and Finch turn into overly protective parents – with an arsenal at their disposal. Meanwhile, when Elias resurfac

S1·E18 Core

Identity Crisis

Mar 29, 2012 · 43 min

The Machine's latest number presents a unique challenge for Reese and Finch since the person has virtually no digital footprint - and appears to be leading a double life.

S1·E19 Core

Flesh and Blood

Apr 5, 2012 · 43 min

When The Machine spits out five numbers, naming the Don of each of New York’s crime families, Reese and Finch suspect Elias is planning to eliminate his competition.

S1·E20 Core

Matsya Nyaya

Apr 26, 2012 · 43 min

Reese goes undercover as an armored car company employee, and faces memories from his past with the CIA.

S1·E21 Core

Many Happy Returns

May 3, 2012 · 43 min

Finch gives Reese his birthday off so that his partner doesn't have to face a Number that is tied to Reese's past.

S1·E22 Mytharc

No Good Deed

May 10, 2012 · 43 min

The newest POI’s curiosity could spell his doom when he finds himself embroiled in a dark government conspiracy – one that Finch is all too familiar with. Meanwhile, Reese uncovers

S1·E23 Mytharc

Firewall

May 17, 2012 · 43 min

As the clock ticks down, Reese winds up trapped with his POI in the most heavily surveilled part of the city, forced to rely on the help of Finch, Carter and Fusco to fend off the