The BEST Episodes of Person of Interest
Every episode ever - ranked by fan votes!
Last Updated: Sep 22, 2019
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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#10 - Endgame
Season 3 - Episode 8
The machine gives Finch 38 numbers at once; information about Carter's past is revealed.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#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.
#21 - RAM
Season 3 - Episode 16
Secrets of Finch's pre-Reese operation are revealed -- including surprising ties to current events.
#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.
#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.
#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.
#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.