The BEST Episodes of Person of Interest

Every episode ever - ranked by fan votes!

Last Updated: Sep 22, 2019

Network: CBS

John Reese, a presumed dead former CIA agent, is approached by a mysterious billionaire named Harold Finch to prevent violent crimes before they happen by using an advanced surveillance system dubbed "The Machine". Their unique brand of vigilante justice attracts the attention of two NYPD officers, Joss Carter and Lionel Fusco, whom Reese uses to his advantage as he investigates persons of interest.

Deus Ex Machina

#1 - Deus Ex Machina

Season 3 - Episode 23

The team work to stop Samaritan from coming online and targeting them; the battle against Vigilance reaches a conclusion.

star 8.71
2,322 votes
Directors: Chris Fisher
Writers: Greg Plageman, David Slack

#2 - Firewall

Season 1 - Episode 23

Reese becomes trapped with his POI in a heavily surveilled part of the city and must rely on Finch, Carter and Fusco's help.

star 8.67
1,842 votes
Writers: Greg Plageman, Jonathan Nolan
God Mode

#3 - God Mode

Season 2 - Episode 22

Finch and Reese team up with unexpected allies as they race to fix the machine; as Detective Carter tries to apprehend Cal Beecher's murderer, she finds herself up against HR -- a criminal organization.

star 8.63
2,086 votes
Writers: Patrick Harbinson, Jonathan Nolan
The Devil's Share

#4 - The Devil's Share

Season 3 - Episode 10

As the team seeks justice for a death, Finch fears one team member will go too far; the number of one of HR's key players comes up in the machine.

star 8.63
2,372 votes
Directors: Chris Fisher
Writers: Amanda Segel, Jonathan Nolan
The Crossing

#5 - The Crossing

Season 3 - Episode 9

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

star 8.63
2,386 votes
Directors: Fred Toye
Writers: Denise Thé

#6 - If-Then-Else

Season 4 - Episode 11

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.

star 8.61
1,963 votes
Directors: Chris Fisher
Writers: Denise Thé
return 0

#7 - return 0

Season 5 - Episode 13

Finch, Reese, Fusco, and Shaw embark on one last mission to prevent Samaritan from destroying The Machine and cementing its hold over mankind.

star 8.58
3,590 votes
Directors: Chris Fisher
Writers: Jonathan Nolan, Denise Thé

#8 - YHWH

Season 4 - Episode 22

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.

star 8.51
2,429 votes
Directors: Chris Fisher
Writers: Dan Dietz, Greg Plageman
Zero Day

#9 - Zero Day

Season 2 - Episode 21

When a virus causes the machine to malfunction, numbers are issued irregularly; the team searches for an extremely elusive tech millionaire.

star 8.49
2,085 votes
Directors: Jeffrey Hunt
Writers: Amanda Segel, David Slack

#10 - Endgame

Season 3 - Episode 8

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

star 8.47
2,223 votes
Directors: Sylvain White
Writers: Nic Van Zeebroeck, Michael Sopczynski
The Day the World Went Away

#11 - The Day the World Went Away

Season 5 - Episode 10

Finch’s number comes up when a fatal error blows his cover identity and sets off a deadly series of escalating encounters with Samaritan’s operatives.

star 8.38
3,423 votes
Directors: Fred Toye
Writers: Andy Callahan, Melissa Scrivner Love

#12 - Relevance

Season 2 - Episode 16

The latest POI - a deadly government operative who tackles terrorist threats - proves difficult for Reese and Finch to protect.

star 8.35
1,850 votes
Directors: Jonathan Nolan
Writers: Amanda Segel, Jonathan Nolan

#13 - Razgovor

Season 3 - Episode 5

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.

star 8.34
2,225 votes
Directors: Kenneth Fink
Writers: David Slack
Prisoner's Dilemma

#14 - Prisoner's Dilemma

Season 2 - Episode 12

Carter tries to help Reese by engaging in mental warfare with the FBI; Reese has encounters with old and new enemies; Detective Fusco must protect supermodel Karolina Kurkova, the latest person of interest.

star 8.34
1,809 votes
Directors: Chris Fisher
Writers: David Slack

#15 - Beta

Season 3 - Episode 21

Reese and Shaw are hunted by Decima; Greer uses Finch's greatest weakness -- his former fiancee -- to lure him out of hiding.

star 8.34
2,198 votes
Writers: Dan Dietz, Sean Hennen
Many Happy Returns

#16 - Many Happy Returns

Season 1 - Episode 21

On Reese's birthday, Finch gives him the day off in hope of keeping him away from the latest person of interest.

star 8.31
1,728 votes
Writers: Erik Mountain, Jonathan Nolan

#17 - /

Season 3 - Episode 17

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.

star 8.30
2,242 votes
Directors: Jeff Gibson
Writers: David Slack
Number Crunch

#18 - Number Crunch

Season 1 - Episode 10

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 of one.

star 8.28
1,874 votes
Directors: Jeffrey G. Hunt
Writers: Patrick Harbinson
No Good Deed

#19 - No Good Deed

Season 1 - Episode 22

A person of interest winds up in the middle of a dark government conspiracy that Finch is all too familiar with; Reese makes a discovery about Finch's past.

star 8.28
1,733 votes
Writers: David Slack

#20 - Aletheia

Season 3 - Episode 12

Multiple enemies target the team as they try to protect a dying man; Reese's absence could lead to catastrophic repercussions.

star 8.27
2,201 votes
Writers: Lucas O'Connor

#21 - RAM

Season 3 - Episode 16

Secrets of Finch's pre-Reese operation are revealed -- including surprising ties to current events.

star 8.27
2,265 votes
Directors: Stephen Surjik
Writers: Nic Van Zeebroeck, Michael Sopczynski
Death Benefit

#22 - Death Benefit

Season 3 - Episode 20

Reese goes under cover as a secret service agent in order to get close to the latest person of interest, a congressman who may have the key to derailing Decima's plan for a second machine.

star 8.26
2,233 votes
Writers: Lucas O'Connor, Erik Mountain
A House Divided

#23 - A House Divided

Season 3 - Episode 22

The machine sends the team five different numbers to investigate when an unknown entity blocks details about an impending catastrophic event; Root's hackers arrive in New York.

star 8.26
2,204 votes
Directors: Chris Fisher
Writers: Amanda Segel

#24 - Lethe

Season 3 - Episode 11

Flashbacks reveal Finch's creation of the machine; Reese hits the road, leaving the team to deal with the aftermath of their war with HR.

star 8.24
2,240 votes
Writers: Erik Mountain

#25 - 4C

Season 3 - Episode 13

Reese gets on an international flight -- intending to leave the team and the past behind -- but realizes his travel plans were manipulated.

star 8.23
2,194 votes
Writers: Melissa Scrivner-Love, Greg Plageman