Person of Interest

10 Best Episodes of Person of Interest - Season 3

John Reese, former CIA paramilitary operative, is presumed dead and teams up with reclusive billionaire Finch to prevent violent crimes in New York City by initiating their own type of justice. With the special training that Reese has had in Covert Operations and Finch's genius software inventing mind, the two are a perfect match for the job that they have to complete. With the help of surveillance equipment, they work "outside the law" and get the right criminal behind bars. 

Written by Sophie and last updated on feb 04, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

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Person of Interest - S3E7

#15 - The Perfect Mark (Season 3 - Episode 7)

The team is met with surprises during an investigation into a hypnotherapist; an antiquities dealer has ties to a crime organization.

The episode was rated 8.14 from 2073 votes.

Person of Interest - S3E6

#14 - Mors Praematura (Season 3 - Episode 6)

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After being freed from her confinement to the psych ward, Root needs Shaw's help with a directive from the machine; Finch and Reese look into a mild-mannered investigator.

The episode was rated 8.15 from 2111 votes.

Person of Interest - S3E13

#13 - 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.

The episode was rated 8.22 from 2159 votes.

Person of Interest - S3E11

#12 - Lethe (Season 3 - Episode 11)

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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.

The episode was rated 8.24 from 2194 votes.

Person of Interest - S3E20

#11 - 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.

The episode was rated 8.26 from 2208 votes.

Person of Interest - S3E22

#10 - A House Divided (Season 3 - Episode 22)

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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.

The episode was rated 8.26 from 2162 votes.

Person of Interest - S3E16

#9 - RAM (Season 3 - Episode 16)

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

The episode was rated 8.27 from 2233 votes.

Person of Interest - S3E12

#8 - Aletheia (Season 3 - Episode 12)

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

The episode was rated 8.27 from 2170 votes.

Person of Interest - S3E17

#7 - / (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.

The episode was rated 8.30 from 2207 votes.

Person of Interest - S3E21

#6 - Beta (Season 3 - Episode 21)

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

The episode was rated 8.33 from 2166 votes.

Person of Interest - S3E5

#5 - 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.

The episode was rated 8.35 from 2177 votes.

Person of Interest - S3E8

#4 - Endgame (Season 3 - Episode 8)

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

The episode was rated 8.48 from 2177 votes.

Person of Interest - S3E10

#3 - 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.

The episode was rated 8.63 from 2330 votes.

Person of Interest - S3E9

#2 - The Crossing (Season 3 - Episode 9)

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

The episode was rated 8.65 from 2345 votes.

Person of Interest - S3E23

#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.

The episode was rated 8.71 from 2294 votes.

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