The BEST episodes of Person of Interest season 4

Every episode of Person of Interest season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Person of Interest season 4!

An ex-CIA agent and a mysterious billionaire prevent violent crimes with the help of an all-seeing machine that can predict events before they happen.

Last Updated: 12/13/2024Network: CBSStatus: Ended
If-Then-Else
star
8.45
3261 votes

#1 - If-Then-Else

Season 4 - Episode 11 - Aired 1/6/2015

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

Directors: Chris Fisher
Writer: Denise Thé
Watch Now:AmazonApple TV
YHWH
star
8.40
3134 votes

#2 - YHWH

Season 4 - Episode 22 - Aired 5/5/2015

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

Directors: Chris Fisher
Watch Now:AmazonApple TV
Asylum
star
8.13
2973 votes

#3 - Asylum

Season 4 - Episode 21 - Aired 4/28/2015

Reese and Fusco get caught in the war between the two newest POIs, rival crime bosses Elias and Dominic. Also, a tantalizing clue to Shaw’s whereabouts leads Finch and Root into a possible trap, and Control goes rogue to uncover the true intentions of the Samaritan program.

Watch Now:AmazonApple TV
Nautilus
star
8.06
3608 votes

#4 - Nautilus

Season 4 - Episode 2 - Aired 9/30/2014

Although Finch insists that he no longer wishes to help with new numbers, his interest is piqued when Reese learns that the newest POI is a brilliant college student engaged in a mysterious, life-and-death scavenger hunt. Now he must decide if he can help without alerting Samaritan.

Directors: Chris Fisher
Watch Now:AmazonApple TV
Panopticon
star
8.03
4006 votes

#5 - Panopticon

Season 4 - Episode 1 - Aired 9/23/2014

In the fourth season premiere, the team must devise new ways to continue their work without being detected by Samaritan after they're forced to take on new identities created by Root. Some, however, find it hard to ignore the Machine's numbers, putting them all at risk of being seen by the rival machine.

Directors: Richard J. Lewis
Watch Now:AmazonApple TV
Prophets
star
8.02
3625 votes

#6 - Prophets

Season 4 - Episode 5 - Aired 10/21/2014

Finch is suspicious when a gifted political pollster's number comes up at the same time that his typically ironclad predictions go wrong – and believes that the two events are linked. Meanwhile, Reese is sidelined by a direct order from Captain Moreno. Jason Ritter guest stars as pollster Simon Lee.

Directors: Kenneth Fink
Watch Now:AmazonApple TV
Control-Alt-Delete
star
8.01
2730 votes

#7 - Control-Alt-Delete

Season 4 - Episode 12 - Aired 1/13/2015

Control, who oversees the handling of relevant numbers for the government, begins to question the methods and intentions of the Samaritan program. Root and Reese start looking for Shaw, whom they believe is still alive.

Directors: Stephen Surjik
Watch Now:AmazonApple TV
Wingman
star
7.95
3618 votes

#8 - Wingman

Season 4 - Episode 3 - Aired 10/7/2014

Finch recruits Fusco to stay close to the latest POI, a professional "wingman" whose number has come up, but learning how to approach women soon becomes the least of his worries. Meanwhile, Reese must find a way to play by the rules at his new day job as the Machine sends Finch and Root on a mysterious errand.

Writer: Amanda Segel
Watch Now:AmazonApple TV
The Devil You Know
star
7.92
3306 votes

#9 - The Devil You Know

Season 4 - Episode 9 - Aired 11/25/2014

Reese must save Elias from the Brotherhood. He can't get any help from Root or Shaw since Shaw's cover is blown and Root is escorting her to underground.

Directors: Richard J. Lewis
Watch Now:AmazonApple TV
The Cold War
star
7.91
2942 votes

#10 - The Cold War

Season 4 - Episode 10 - Aired 12/16/2014

Samaritan demonstrates its true power by taking control of New York for 48 hours and erasing crime from the city in an attempt to lure The Machine out of hiding.

Directors: Michael Offer
Writer: Amanda Segel
Watch Now:AmazonApple TV
Honor Among Thieves
star
7.90
3573 votes

#11 - Honor Among Thieves

Season 4 - Episode 7 - Aired 11/11/2014

Shaw joins a team of international thieves in order to keep tabs on the latest POI, but an unexpected turn of events puts her in danger of being detected by Samaritan. Finch and Root, meanwhile, undertake a dangerous sabotage mission.

Directors: Sylvain White
Writer: David Slack
Watch Now:AmazonApple TV
Pretenders
star
7.88
3499 votes

#12 - Pretenders

Season 4 - Episode 6 - Aired 10/28/2014

Reese, Shaw and Fusco must protect an unassuming office worker who stumbles into a dangerous conspiracy while moonlighting as a fake detective. Meanwhile, Finch travels to Hong Kong as part of his academic cover identity.

Directors: Kenneth Fink
Watch Now:AmazonApple TV
Search and Destroy
star
7.87
3082 votes

#13 - Search and Destroy

Season 4 - Episode 19 - Aired 4/7/2015

Reese and Finch scramble to protect a software CEO when his behavior becomes increasingly erratic following a hacker attack that reveals all his secrets and unravels his life.

Directors: Stephen Surjik
Writer: Zak Schwartz
Watch Now:AmazonApple TV
Point of Origin
star
7.85
3353 votes

#14 - Point of Origin

Season 4 - Episode 8 - Aired 11/18/2014

Reese volunteers as an NYPD police academy instructor in order to keep an eye on a talented young officer whose suspicious actions make him question her motives. Meanwhile, Martine – armed with information from Samaritan – hunts a member of the team.

Directors: Richard J. Lewis
Watch Now:AmazonApple TV
M.I.A.
star
7.83
2761 votes

#15 - M.I.A.

Season 4 - Episode 13 - Aired 2/3/2015

Root and Reese’s hunt for Shaw takes them to a small town in upstate New York where it becomes apparent that not everything is as idyllic as it seems. Also, Fusco teams with a former POI to tackle the newest number.

Directors: Kevin Bray
Watch Now:AmazonApple TV
Skip
star
7.81
3120 votes

#16 - Skip

Season 4 - Episode 18 - Aired 3/24/2015

Reese must protect a bounty hunter who refuses to let the potential threat to her life deter her from the relentless pursuit of her target. Also, Finch tries to set the plan he began in Shanghai in motion.

Directors: Helen Shaver
Writer: Ashley Gable
Watch Now:AmazonApple TV
Brotherhood
star
7.80
3413 votes

#17 - Brotherhood

Season 4 - Episode 4 - Aired 10/14/2014

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

Directors: Chris Fisher
Writer: Denise Thé
Watch Now:AmazonApple TV
Q&A
star
7.77
2685 votes

#18 - Q&A

Season 4 - Episode 15 - Aired 2/17/2015

Reese tries to protect a software programmer with a mysterious second life, but it’s unclear which side of her life the threat is coming from. Meanwhile, Claire, a young hacker whom Finch tried to protect from Samaritan, reaches out to him for aid.

Directors: Stephen Semel
Writer: Dan Dietz
Watch Now:AmazonApple TV
Blunt
star
7.66
2747 votes

#19 - Blunt

Season 4 - Episode 16 - Aired 2/24/2015

Reese and Finch must protect Harper, a street-smart grifter, when her plan to steal cash from a medical marijuana dispensary goes up in smoke.

Watch Now:AmazonApple TV
Guilty
star
7.53
2737 votes

#20 - Guilty

Season 4 - Episode 14 - Aired 2/10/2015

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. Meanwhile, Reese begins to open up to the department’s therapist.

Directors: Kate Woods
Writer: David Slack
Watch Now:Apple TV
Karma
star
7.48
2976 votes

#21 - Karma

Season 4 - Episode 17 - Aired 3/10/2015

Reese and Finch try to protect a psychologist whose unorthodox methods for helping his patients find closure could cost him dearly. Meanwhile, flashbacks reveal Finch’s fragile state in the days following the bombing that killed his best friend, Nathan Ingram.

Directors: Chris Fisher
Watch Now:Apple TV
Terra Incognita
star
7.31
3028 votes

#22 - Terra Incognita

Season 4 - Episode 20 - Aired 4/14/2015

Reese finds himself on a perilous personal journey when he takes on a homicide case Detective Carter was never able to close.

Directors: Alrick Riley
Watch Now:Apple TV