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501B.S.O.D.” (Finch) 506A More Perfect Union 511Synecdoche
502SNAFU” (The Machine) 507QSO 512.exe” (Multiple simulations)
503Truth Be Told” (Reese) 508Reassortment 513return 0” (The Machine)
5046,741 509Sotto Voce  
505ShotSeeker 510The Day the World Went Away
The Day the World Went Away

POI 510 Episode Image.png



Air dateMay 31, 2016

Running time43:24

Production code3J6010

Written byAndy Callahan
Melissa Scrivner-Love

Directed byFrederick E.O. Toye

Viewers6.66M (18-49: 1.0 rating)

ID(s) from IntroID.008/2720.10

Images (25)

"The Day the World Went Away" is the tenth episode of Season 5, and the 100th produced hour of Person of Interest. It originally aired on May 31, 2016.


100th episode. 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.

Origin of the Title

This episode's title was taken from the Nine Inch Nails song, "The Day the World Went Away", heard during the episode's final scene. The lyrics include:

I'd listen to the words he'd say
but in his voice I heard decay
the plastic face forced to portray
all the insides left cold and gray
there is a place that still remains
it eats the fear it eats the pain
the sweetest price he'll have to pay
the day the whole world went away

Main Plot Points

The events in this episode are in Machine point of view and Samaritan point of view

  • Person of Interest: Harold Finch.
  • The safe house is attacked, Elias brings Finch to the Brighton Beach high-rises, and brokers peace between the rival gangs. The high-rises are attacked as well, Elias and Finch try to escape, reach the getaway car, but find the driver dead. Once more, they are ambushed by Samaritan operatives, Elias kills them in self-defense, ushers Finch into the backseat, and, while protecting him, is fatally shot in the head by an operative.
  • Samaritan operatives kill Elias and take Finch to see Greer. He is told one day in the future, even if he doesn't see it yet, he will work for Samaritan by his own accord. As Zachary puts Finch in the back of a car, Shaw and Root attack. Finch and Root escape as Shaw draws the Samaritan operatives' fire.
  • On the run, Finch and Root are shot at by Jeffrey Blackwell. Root sees him, makes an evasive maneuver to protect Finch, and is shot instead of him. Soon after, the two are stopped by policemen. Finch is arrested; Root is taken to the hospital in critical condition.
  • In police custody, Finch is interrogated by an FBI officer who reveals Finch's fingerprints have been found on 15 crime scenes over the past 5 years, and he has an open treason case from 1974. Though all of electronic copies of Finch's criminal records are gone, a hard copy of his treason file still exists in storage in Washington, D.C. After the interrogation, the Machine contacts Finch who asks her to break him out of jail. The Machine stages a prison break, letting hundreds prisoners escape.
  • During Finch's interrogation, Root succumbs to her injuries. The Machine selects her voice to be its own.



Critics and fans alike cite "The Day the World Went Away" as one of the best episodes of Person of Interest, with Michael Emerson's dark, emotional performance receiving universal praise. The climactic monologue Finch delivers near the end of the Episode is widely considered one of the best scenes of the series and many believed Emerson deserved an Emmy for it. However, Root's death garnered a heavily polarizing response, with some dismissing it as an example of "Bury Your Gays" and others defending it as a fitting end to a fan favorite character.

Episode Notes

  • Defending his actions in the 1970's, Finch says, "...a sitting President had authorized assassination squads in Laos, and the head of the FBI had ordered his conduct illegal surveillance on his political rivals." He is referring to The Phoenix Program, a CIA-run operation using torture and assassinations to destabilize the Viet Cong during the Vietnam War, as well as FBI Director J. Edgar Hoover's activities, an element of the Watergate scandal. The sitting president was Richard Nixon.
  • Potter's field[1] is referenced in a comment Root makes, that if Harold won't permit the Machine to help them more actively, they will "end up the most principled corpses in Potter's Field," meaning they will be buried as unknowns, in a common mass grave of anonymous and forgotten people.
  • This episode can be seen as the trigger to the 'endgame', in which Samaritan and The Machine battle.

Production Notes

Bloopers and Continuity Errors

  • When Elias is shot, the blood on his head is already dry, this is impossible.
  • As mentioned by Finch, he visited a café where he was with Grace ten years ago, and that earlier scene was at 2006 (“Til Death”)​, which implies that the present year is 2016. However, most of other items indicate that Season 5 should take place in 2015.


  • "New Dawn Fades" - Moby (Root and Shaw's battle with Samaritan operatives)
  • "The Day the World Went Away" - Nine Inch Nails (end of episode)


  • Harold's intro ID in this episode is ID.008/2720.10, John's ID in Season 2 intros. Harold's ID was ID.005/3020.06.
  • In this episode, Fusco is assigned, for the first time, a yellow box in the intro and labelled "Primary Asset" instead of "Secondary Asset".
  • This is the second episode in which Samaritan puts an asset - in this case, Jeffrey Blackwell - in God Mode to eliminate a target, the first being Martine in “Prophets””​.



  • "I'm not in a metaphysical mood" (Finch, to Root)
  • "I have played by the rules for so long. ... No, not your rules. You work at the behest of a system so broken that you didn't even notice when it became corrupted at its core. When I first broke your rules, a sitting President had authorized assassination squads in Laos, and the head of the FBI had ordered his men, you, to conduct illegal surveillance on his political rivals. Your rules have changed every time it was convenient for you. I was talking about my rules. I have lived by those rules for so long, believed in them for so long, believed that if you played by the right rules eventually you would win. But I was wrong, wasn't I? And now all the people I cared about are dead or will be dead soon enough. And we will be gone without a trace. So now I have to decide. Decide whether to let my friends die, to let hope die, to let the world be ground under your heel all because I played by my rules. I'm trying to decide. I'm going to kill you. But I need to decide how far I'm willing to go. How many of my own rules I am willing to break... to get it done." (Finch, first to the Fed agent, then to Samaritan)

The Machine

  • "You created me, I can do anything you want me to" (The Machine, to Finch)


  • "I got a feeling Finch isn't here anymore. Samaritan didn't want him dead, at least not if they could capture him." (Reese, to Shaw) "Then why did his number come up?" (Shaw, to Reese) "I think it was warning us about what he might do to them..." (Reese, to Shaw)


  • "We're not living. We're surviving" (Root, to Finch)
  • "You don't name something you may have to kill." (Root, to Finch)
  • "Harold has a weakness." (Shaw, to Root) "We all do." (Root, looking at Shaw)
  • "It'd be nice if we could go back. I guess none of us... has the life we want." (Shaw, to Root) "Actually Sameen, I've been hiding since I was 12. This might be the first time I feel like I belong." (Root, to Shaw)
  • "Schrödinger said that at its base level, the universe isn't made up of physical matter; just... shapes. I thought that might make you feel better. ... A shape, you know? Nothing firm. What it means is the real world is essentially a simulation anyway. ... I like that idea. That even if we're not real, we represent a dynamic. A tiny finger tracing a line in the infinite. A shape. And then we're gone." (Root, to Shaw)
  • "Listen, all I'm saying that is if we're just information, just noise in the system... we might as well be a symphony." (Root, to Shaw)
  • "Listen. I know you have apprehension about what the Machine is, about what She will become. And I trust you, Harold. I walked in darkness for a very long time until you guided me to light, and I wouldn't change any of it. But we're not going to win this way. We can't afford to lose. When the time comes, you'll know what to do. And I know this is an ugliness you never wanted, but sometimes you have to fight a little." (Root, to Finch)
  • "I'm fine Harry. I'm just fine. Keep your eyes out, I need to drive." (Root, to Finch. Her last words of the series)


  • "That's supposed to make me feel better? I'm a shape?" (Shaw, to Root) "Yeah. And darlin', you've got a great shape." (Root, to Shaw)