‘Person Of Interest' Season 4 Finale 'YHWH' Spoilers: Root And Finch Race Against Time To Save The Machine [WATCH VIDEOS]

"Person of Interest," or “POI” which stars Michael Emerson (Harold Finch), Jim Caviezel (John Reese), Sarah Shahi (Sameen Shaw), Amy Acker (Root) and Kevin Chapman (Lionel Fusco), will air the episode titled “YHWH” on Tuesday, May 5, 2015 from 10:00 p.m. to 11:00 p.m., ET/PT on the CBS Television Network. After Reese and Fusco got caught in Elias and Dominic’s war in “POI” episode 21”Asylum,” Finch and Root must now save The Machine.

Spoiler Alert! This article contains spoilers of the show’s 22nd episode. Read only if you want to know more about it. "Person of Interest" Season 4 Finale, episode 22 “YHWH” is directed by Chris Fisher. It was written by “POI” Executive Producer Greg Plageman and Dan Dietz. TV Guide reports that in this episode, Samaritan has found The Machine, that’s why Root and Finch must race against time to save it. Meanwhile, Reese will continue to be entangled in the web of Elias and Dominic’s gang war.

The Internet Movie Database, or IMDb also reports that aside from the show’s main cast, several recurring cast members will also appear in this episode including Enrico Colantoni (Elias), Winston Duke (Dominic), Camryn Manheim (Control), John Nolan (Greer), Robert Ray Manning, Jr. (Zachary), Wrenn Schmidt (Dr. Iris Campbell), John Doman (Garrison), Jessica Pimentel (Floyd), Suzy Jane Hunt (Schiffman), Annie Ilonzeh (Harper), Nick Tarabay (Devon Grice) and Luke Kleintank (Caleb Phipps).

Guest stars of “YHWH” include Joseph McKenna (Odd Man), Joseph Tudisco (Bodega Cashier), J. Oscar Simmons (Doorman), Alban Merdani (Arms Dealer), Elias' Man (Johnny Solo), Jason Altman (Fireman), Marco Antonio Rodriguez (Delivery Guy), Logan Crawford (Reporter #1), Ken Perlstein (Senior Lineman) and Anthony Gaskins (Lineman).

A slideshow video of promotional photos for “YHWH” was posted on the YouTube channel of Tv100. It features the cast in their scenes including Root and Finch having a serious conversation about something and Reese holding his weapon of choice. Another photo shows the three “POI” team members talking intently. Control and Greer are also shown in some of the pictures.

Let us know your thoughts on the upcoming episode of "Person of Interest" Season 4. For questions/comments regarding the article, you may email the writer at j.somosot@ibtimes.com.au.

Watch The "Person of Interest" 4x22 Promotional Photos ''YHWH'' (Season Finale) Slideshow Video Below:

CREDIT: YouTube/Tv100

Watch The “Person of Interest” filming 4.22, "YHWH" Video Below:

CREDIT: YouTube/SHLUFFY04