Person of Interest - Season 3 - Eps 23: Deus Ex Machina
The team takes desperate action in its race to prevent the malevolent AI program Samaritan from coming online and making them its first targets. Meanwhile, the months-long battle with the anti-surveillance terrorist group Vigilance comes to a shocking conclusion.
About Person of Interest

Title: Person of Interest
First Air Date: 2011-09-22
Last Air Date: 2016-06-21
Status: Ended
Rating: 8.075/10 (from 1840 votes)
Language: EN
Seasons: 6
Total Episodes: 103
Network: CBS
Genres: Drama, Action & Adventure, Crime, Sci-Fi & Fantasy
Production Companies: Kilter Films, Bad Robot, Warner Bros. Television
Synopsis
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.
Cast

Jim Caviezel
John Reese

Michael Emerson
Harold Finch

Kevin Chapman
Lionel Fusco

Amy Acker
Root

Sarah Shahi
Sameen Shaw