TV The Best Episodes of Person of Interest  

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There are so many good episodes of Person of Interest, but which ones really stand out? Do you like "If - Then - Else" the best, or is "Deus Ex Machina" your favorite episode of Person of Interest? To determine once and for all what the best episodes of Person of Interest are, let's rank every Person of Interest episode from best to worst.

Person of Interest was a science-fiction crime drama that aired on CBS for five seasons from September 22, 2011 to June 21, 2016, and explored government surveillance and the consequences of A.I. The series centered on Harold Finch, a reclusive billionaire and computer programmer who developed for the government "The Machine," a device that could (though collated data) identify individuals planning to commit acts of terrorism. To help him, Finch recruits John Reese, a former CIA agent presumed to be dead. The original cast of Person of Interest starred Jim Caviezel as Reese, Michael Emerson as Finch, and Taraji P. Henson as Detective Jocelyn "Joss" Carter (who left the show in season three).

Vote up your favorite episodes of Person of Interest, and downvote any bad episodes that you really didn't enjoy, despite how much you love the series as a whole. It can be painful to put one Person of Interest episode over the other when there are so many good ones, which is why you can vote on however many episodes you like.

list ordered by

1
12 1
The Day the World Went Away is listed (or ranked) 1 on the list The Best Episodes of Person of Interest
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 series of escalating encounters with Samaritan's operatives, on the 100th episode.

2
11 1
The Devil's Share is listed (or ranked) 2 on the list The Best Episodes of Person of Interest
The Devil's Share Season 3 Episode 10: In the conclusion of a three-episode storyline, the POI team finishes the war with criminal organization HR, when the Machine issues the number of corrupt Officer Simmons.

3
6 0
B.S.O.D. is listed (or ranked) 3 on the list The Best Episodes of Person of Interest
B.S.O.D. Season 5 Episode 1: Reese and Finch attempt to rescue what is left of The Machine, while Root fights for her life and Fusco is questioned by the NYPD in the fifth season premiere.

4
6 0
The Contingency is listed (or ranked) 4 on the list The Best Episodes of Person of Interest
The Contingency Season 2 Episode 1: With Finch missing - kidnapped in last season's finale cliffhanger - Reese enlists Detectives Carter and Fusco to join the search for his friend on the second season premiere.

5
6 0
A House Divided is listed (or ranked) 5 on the list The Best Episodes of Person of Interest
A House Divided Season 3 Episode 22: When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it needs the team's help to prevent it.

6
10 1
If - Then - Else is listed (or ranked) 6 on the list The Best Episodes of Person of Interest
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
9 1
Deus Ex Machina is listed (or ranked) 7 on the list The Best Episodes of Person of Interest
Deus Ex Machina Season 3 Episode 23: In the third season finale, desperate actions are taken and startling revelations are uncovered as the battle to prevent Samaritan from coming online reaches its conclusion.

8
10 2
The Crossing is listed (or ranked) 8 on the list The Best Episodes of Person of Interest
The Crossing Season 3 Episode 9: Danger closes in when the epic battle to bring HR to justice reaches new heights. When the Machine gives out Reese's number, the POI team faces their greatest threat yet.

9
10 2
Beta is listed (or ranked) 9 on the list The Best Episodes of Person of Interest
Beta Season 3 Episode 21: Finch's greatest fears are realized as Decima threatens his former fianc̩e and love of his life, Grace Hendricks (CARRIE PRESTON) in order to lure him out of hiding.

10
9 2
return 0 is listed (or ranked) 10 on the list The Best Episodes of Person of Interest
return 0 Season 5 Episode 13: In the series finale, the POI Team embarks on one final mission to prevent Samaritan from destroying The Machine and cementing its hold over mankind.

11
7 1
Relevance is listed (or ranked) 11 on the list The Best Episodes of Person of Interest
Relevance Season 2 Episode 16: Reese and Finch encounter their most formidable POI ever (SARAH SHAHI) in an elusive and lethal female government operative who eliminates terrorist threats before they occur.

12
7 1
Death Benefit is listed (or ranked) 12 on the list The Best Episodes of Person of Interest
Death Benefit Season 3 Episode 20: 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.

The Best Seasons of Person of Interest

13
8 2
The Devil You Know is listed (or ranked) 13 on the list The Best Episodes of Person of Interest
The Devil You Know Season 4 Episode 9: Reese and Finch are caught in a power struggle for control of the city's gangs when Elias (ENRICO COLANTONI) is targeted by Dominic, the rival leader of the Brotherhood.

14
8 2
Fire Wall is listed (or ranked) 14 on the list The Best Episodes of Person of Interest
Fire Wall Season 1 Episode 23: In the season finale, a psychologist becomes the target of one of her patients, and Reese must protect her while eluding capture by the FBI, who are closing in fast.

15
8 2
Asylum is listed (or ranked) 15 on the list The Best Episodes of Person of Interest
Asylum Season 4 Episode 21: Reese and Fusco get caught in the crosshairs of a war between rival crime bosses Elias and Dominic, while Finch and Root find a clue to Shaw's possible whereabouts.

16
8 2
YHWH is listed (or ranked) 16 on the list The Best Episodes of Person of Interest
YHWH Season 4 Episode 22: Finch & Root race to save The Machine, which has been located by its rival, Samaritan, while Reese is caught in the middle of the war between rival crimes bosses Elias and Dominic.

17
8 2
God Mode is listed (or ranked) 17 on the list The Best Episodes of Person of Interest
God Mode Season 2 Episode 22: In the second season finale, Reese and Finch team up with some surprising allies in a race to save The Machine from a familiar, nefarious entity; while Carter's at odds with HR.

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18
5 0
Dead Reckoning is listed (or ranked) 18 on the list The Best Episodes of Person of Interest
Dead Reckoning Season 2 Episode 13: Has Reese become the latest Person of Interest? Caught in the crosshairs of a former acquaintance orchestrating a massive act of cyber-terrorism, Reese is abducted.

19
6 1
Sotto Voce is listed (or ranked) 19 on the list The Best Episodes of Person of Interest
Sotto Voce Season 5 Episode 9: An enemy from Reese and Fusco's past traps them in their own precinct with the latest POI and a gang of deadly criminals.

20
7 2
.exe is listed (or ranked) 20 on the list The Best Episodes of Person of Interest
.exe Season 5 Episode 12: Finch infiltrates a maximum-security government facility in a final attempt to destroy Samaritan that could also mean the end of himself and The Machine.

21
7 2
6,741 is listed (or ranked) 21 on the list The Best Episodes of Person of Interest
6,741 Season 5 Episode 4: Shaw escapes her captors, but the team is unsure of her mental state when she begins to act paranoid and reckless.

22
7 3
Control - Alt - Delete is listed (or ranked) 22 on the list The Best Episodes of Person of Interest
Control - Alt - Delete

Season 4 Episode 12: The head of Samaritan's team within the government (CAMRYN MANHEIM) begins to wonder who much control she really has.

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23
7 3
End Game is listed (or ranked) 23 on the list The Best Episodes of Person of Interest
End Game Season 3 Episode 8: When the war with criminal organization HR reaches its boiling point, The Machine issues 38 numbers at once ��� all connected to an unknown player.

24
6 2
Prisoner's Dilemma is listed (or ranked) 24 on the list The Best Episodes of Person of Interest
Prisoner's Dilemma Season 2 Episode 12: Carter plays a dangerous game with the FBI as Reese is confronted by foes both old and new; and Fusco races to save the team's latest POI: supermodel KAROLINA KURKOVA.

25
6 2
/ (Root Path) is listed (or ranked) 25 on the list The Best Episodes of Person of Interest
/ (Root Path) 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.

26
5 1
RAM is listed (or ranked) 26 on the list The Best Episodes of Person of Interest
RAM Season 3 Episode 16: How did Finch operate before the Man in the Suit? The secrets of his operation before he enlisted Reese are revealed, including shocking ties to present day events.

27
4 0
Terra Incognita is listed (or ranked) 27 on the list The Best Episodes of Person of Interest
Terra Incognita Season 4 Episode 20: Reese finds himself on a perilous personal journey when he takes it upon himself to solve a cold homicide that Detective Carter was never able to close.

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28
6 3
Zero Day is listed (or ranked) 28 on the list The Best Episodes of Person of Interest
Zero Day Season 2 Episode 21: The countdown on a mysterious virus causes the Machine to malfunction just as Reese and Finch try to locate an elusive millionaire whose number is up.

29
6 3
Prophets is listed (or ranked) 29 on the list The Best Episodes of Person of Interest
Prophets Season 4 Episode 5: The team must protect a gifted political pollster with a gift for numbers who is unaware that his own number has just come up.

30
5 2
Aletheia is listed (or ranked) 30 on the list The Best Episodes of Person of Interest
Aletheia Season 3 Episode 12: In the concluding chapter to the shocking winter cliffhanger, multiple enemies converge on the POI team without Reese as they protect a dying man whose number has come up.

31
3 0
2 Pi R is listed (or ranked) 31 on the list The Best Episodes of Person of Interest
2 Pi R Season 2 Episode 11: Finch goes undercover as a high school substitute teacher to protect a teenage prodigy while Carter works against the clock to help Reese, who's imprisoned by the FBI.

32
3 0
4C is listed (or ranked) 32 on the list The Best Episodes of Person of Interest
4C Season 3 Episode 13: Boarding an international flight in an attempt to put the team and the past behind him, Reese is angered when he realizes The Machine has other plans for him.

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33
3 0
Many Happy Returns is listed (or ranked) 33 on the list The Best Episodes of Person of Interest
Many Happy Returns Season 1 Episode 21: It's Reese's birthday, and Finch gives him a day off - especially when he realizes that The Machine's latest number is certain to revive painful memories.

34
3 0
Super is listed (or ranked) 34 on the list The Best Episodes of Person of Interest
Super Season 1 Episode 11: Reese works the computer while Finch does the legwork with their latest target, a building superintendant who keeps too close an eye on his tenants.

35
3 0
Mors Praematura is listed (or ranked) 35 on the list The Best Episodes of Person of Interest
Mors Praematura Season 3 Episode 6: Root receives a mission from The Machine that requires Shaw's assistance ��� by any means necessary ��� and takes extreme measures to gain her compliance.

36
3 0
Panopticon is listed (or ranked) 36 on the list The Best Episodes of Person of Interest
Panopticon Season 4 Episode 1: The team must devise new ways to continue their work without being detected by Samaritan after they're forced to take on new identities in the fourth season premiere.

37
5 3
Flesh and Blood is listed (or ranked) 37 on the list The Best Episodes of Person of Interest
Flesh and Blood Season 1 Episode 19: 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. As Elias takes aim, someone close to Carter may pay the price.

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38
5 3
Lethe is listed (or ranked) 38 on the list The Best Episodes of Person of Interest
Lethe Season 3 Episode 11: Flashbacks to Finch's past provide insight into his creation of The Machine. And Reese leaves the POI team behind in the aftermath of the war with criminal organization, HR.

39
4 2
In Extremis is listed (or ranked) 39 on the list The Best Episodes of Person of Interest
In Extremis Season 2 Episode 20: When a medical luminary is poisoned, Reese and Finch have only 24 hours to find the person responsible; while Fusco's corrupt past catches up with him.

40
4 2
Reassortment is listed (or ranked) 40 on the list The Best Episodes of Person of Interest
Reassortment Season 5 Episode 8: Reese & Finch are trapped in a hospital that becomes ground zero for a deacly viral outbreak, while Shaw continues to struggle with reality.

41
4 2
SNAFU is listed (or ranked) 41 on the list The Best Episodes of Person of Interest
SNAFU Season 5 Episode 2: The Machine experiences a glitch upon rebooting and labels Finch and Root as threats based upon their past violent behavior.

42
4 2
The Cold War is listed (or ranked) 42 on the list The Best Episodes of Person of Interest
The Cold War Season 4 Episode 10: 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.

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43
2 0
The Fix is listed (or ranked) 43 on the list The Best Episodes of Person of Interest
The Fix Season 1 Episode 6: Reese finds himself captivated by their latest Person of Interest (guest star PAIGE TURCO), a beautiful, shrewd and remarkably resourceful woman adept at problem solving.

44
2 0
Baby Blue is listed (or ranked) 44 on the list The Best Episodes of Person of Interest
Baby Blue Season 1 Episode 17: When The Machine spits out the number of a six-month-old baby, Reese and Finch turn into "overly protective parents" -- with an arsenal at their disposal. Meanwhile, Carter begins to question her new allegiance to Reese and Finch when Elias resurfaces.

45
2 0
Booked Solid is listed (or ranked) 45 on the list The Best Episodes of Person of Interest
Booked Solid Season 2 Episode 15: Reese and Finch find themselves surrounded by potential suspects when they infiltrate an upscale hotel to save a maid's (guest star MIA MAESTRO) life.

46
2 0
Identity Crisis is listed (or ranked) 46 on the list The Best Episodes of Person of Interest
Identity Crisis Season 1 Episode 18: 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.

47
2 0
Allegiance is listed (or ranked) 47 on the list The Best Episodes of Person of Interest
Allegiance Season 3 Episode 18: Finch and Reese must play politics when the latest POI starts stalking a United Nations diplomat.

48
2 0
M.I.A. is listed (or ranked) 48 on the list The Best Episodes of Person of Interest
M.I.A. Season 4 Episode 13: Reese (JIM CAVIEZEL) and Root's hunt for Shaw (SARAH SHAHI) takes them to a small town in upstate New York where it becomes apparent that not everything is as idyllic as it seems.

49
2 0
Nautilus is listed (or ranked) 49 on the list The Best Episodes of Person of Interest
Nautilus Season 4 Episode 2: Finch (series star MICHAEL EMERSON) must decide if he can help a brilliant college student engaged in a life-and-death scavenger hunt without alerting Samaritan.

50
5 4
Bad Code is listed (or ranked) 50 on the list The Best Episodes of Person of Interest
Bad Code Season 2 Episode 2: With the Machine's help, Reese (JIM CAVIEZEL) closes in on finding Finch (MICHAEL EMERSON) as he uncovers shocking details of Root's past.