'NCIS Los Angeles' Season 6 Spoilers: Episode 1 'Deep Trouble Part II' Airs On Sept. 29, 2014, Find Out What Will Happen To Sam And Callen [WATCH VIDEO]
IN PHOTO: Actress Daniela Ruah from the TV series "NCIS:Los Angeles" arrives at the 2010 People's Choice Awards in Los Angeles January 6, 2010. Reuters/Danny Moloshok

"NCIS Los Angeles" Season 6 will air its fourth episode titled "The 3rd Choir" on Monday, Oct. 20, 2014 at 10:00-11:00 p.m. EST on the CBS Television Network. The Naval Criminal Investigative Service, or "NCIS" L.A. Team including Special Agents G. Callen (Chris O'Donnell), Sam Hanna (LL COOL J), Kensi Blye (Daniela Ruah), LAPD Detective Marty Deeks (Eric Christian Olsen), Tech Operator Eric Beale (Barrett Foa), NCIS Intelligence Analyst Nell Jones (Renée Felice Smith), NCIS Assistant Director Owen Granger (Miguel Ferrer) and Henrietta "Hetty" Lange (Linda Hunt) will continue to locate Hetty's enemy. Spoiler Alert! This article contains spoilers of "NCIS Los Angeles" Season 6, episode 4 "The 3rd Choir." Read only if you want to learn more about it.

According to the Futon Critic and TV Guide, in "NCIS Los Angeles" Season 6, episode 4 "The 3rd Choir," the "NCIS Los Angeles" team will find out who is after Hetty and they will search L.A. to find him. Meanwhile, Nell will see Operational Psychologist Nate Getz (Peter Cambor) regarding her experience of going undercover as Hetty. It was very traumatic for her and Dr. Getz will try to help her deal with it.

Guest stars of "NCIS Los Angeles" Season 6, episode 4 "The 3rd Choir" include Jürgen Prochnow (Mattias Draeger), Gerald McRaney (Retired Navy Admiral Hollace Kilbride), Aisha Hinds (Chief Investigator Ava Wallace), John Heard (Special Congressional Investigator Michael Thomas), Vyto Ruginis (Arkady Kolcheck), Eddie Shin (Matthew Ogilvie), Marybeth Massett (Congresswoman Ann Jones), Francis Capra (Salazar) and Michael Buonomo (Marine).

The Internet Movie Database, or IMDb reports that "The 3rd Choir" will also feature Joseph Aviel (Arkady's Guard), James Ferris (Delta Unit Leader) and Lindsay Hollister (Margaret).

"NCIS Los Angeles" Season 6, episode 4 "The 3rd Choir" is directed by Diana C. Valentine. It is written by R. Scott Gemmill and Dana Scanlon.

These are the "NCIS Los Angeles" Season 6 spoilers for episode 4 "The 3rd Choir." Watch out for the next episode titled "Black Budget" (episode 5) which will be aired on Oct. 27, 2014. For more updates about "NCIS Los Angeles," as well as other news about entertainment, science, politics, business, sports, technology, health, finance and economics, keep reading International Business Times.

Watch The "NCIS: Los Angeles" 6x04 Promo "The 3rd Choir" Season 6 Episode 4 Promo Video Below:

CREDIT: YouTube/tvmania

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