Person of Interest

Reese and Shaw attempt to find the location of the machine.

After moving itself to an undisclosed location, the machine reestablishes contact.

Reese and Shaw follow the machine's directions in order to stay alive.

Root and Finch track down Lawrence Sollard, the man responsible for building the facility that houses the machine.

An unknown woman instructs Hersh to tie up loose ends.

Root and Finch arrive at the facility housing the machine.

Reese and Finch realize that a virus has rendered The Machine erratic, causing it to issue numbers irregularly, on PERSON OF INTEREST, Thursday, May 2 (9:01 – 10:01 PM, ET/PT) on CBS

Reese and Shaw meet the head of Decima Technologies.

Reese and Finch discover the machine created by Ernest Thornhill as a survival tactic.

Reese and Finch receive a new number, a mysterious man named Ernest Thornhill.

Root reaches out to Finch for help in keeping the machine out of the hands of Decima Technologies.

Reese receives a call made by the machine.

Reese attempts to intercept Mr. Thornhill.

Reese comforts Dr. Nelson in his final moments.

Reese and Dr. Nelson get the whereabouts of the man the poisoned him.

Reese poses as a waiter in order to get closer to their newest number, an accomplished doctor.

Finch discovers who poisoned Dr. Nelson with the help of Detective Carter.

Finch reveals that the virus that has penetrated the system is getting worse.

Finch and Reese discover that Dr. Nelson has been poisoned with Polonium.

Reese and Dr. Nelson beat Vincent Cochran at his own game.

Finch goes undercover as an IT employee at Rylatech Industries in order to get closer to their new number, Monica Jacobs.

Monica and Reese break into Rylatech in order to gather information on the spies who have infiltrated the company.

Monica and Reese discover the president of Rylatech, Martin Baxter, has been selling company secrets.

Finch discovers the spy within Rylatech was gathering information for the Chinese government.

Finch follows Monica to a meeting in a local park.

Finch reveals that an unknown organization is set on destroying the machine.

Finch stays late at Rylatech in order to keep an eye on Monica.

Finch, Reese, and Leon infiltrate the Venus Casino.

After discovering their plan, Mr. Makris forces Finch, Reese, Louis, and Leon to play a game of Russian Roulette.

Finch and Reese receive a new number belonging to a retired watch repairman, Louis Mitchell.