NCIS LA Actors Chris O'Donnell (L) And LL Cool J
Actors Chris O'Donnell (L) and LL Cool J arrive at the 49th Annual Academy of Country Music Awards in Las Vegas, Nevada April 6, 2014. Reuters/Steve Marcus

"NCIS Los Angeles" Season 6 will air its 24th episode titled "Chernoff, K." on Monday, May 18, 2015 from 10:00-11:00 p.m. EST on the CBS Television Network. The Naval Criminal Investigative Service, or "NCIS" LA Team which include Senior Field Agent Sam Hanna (LL COOL J), “NCIS” Special Agent Kensi Blye (Daniela Ruah), LAPD Detective Marty Deeks (Eric Christian Olsen) and Supervisory Special Agent G. Callen (Chris O'Donnell), must travel to Russia for their latest mission which is actually a continuation of the case from the previous episode.

After the episode titled "Kolcheck, A." which was about Callen and Sam looking for Arkady and trying to solve the mystery of the missing oil tanker with the dead crew, the “NCIS LA” team must continue searching for Arkady in Moscow.

Spoiler Alert! This article contains spoilers of the show’s 24th episode. Read only if you want to learn more about it. TV Guide reports that in the "NCIS Los Angeles" Season 6 Finale, episode 24 "Chernoff, K.," Sam, Callen, Kensi and Deeks must assume various identities as they go undercover in Moscow, Russia. Their mission is still tied to Arkady and the ongoing case that involves him and an oil tanker. As for Callen, he will discover important information about his father.

“NCIS” Assistant Director Owen Granger (Miguel Ferrer), Operations Manager Henrietta "Hetty" Lange, Tech Operator Eric Beale (Barrett Foa) and “NCIS” Intelligence Analyst Nell Jones (Renée Felice Smith) will help Sam, Callen, Deeks and Kensi using their specific skills and connections.

The Internet Movie Database, or IMDb reports that David S. Lee will appear as a guest star in this episode. He will portray the role of Pavel Volkoff. Lee was previously seen in the TV series “Baby Daddy” from 2012-2015. His character in the show was Henderson. Lee also appeared in other TV shows including “Nikita” (Phillip Jones) and “Castle” (Matt Lanchet / Leo Wyngaard).

"Chernoff, K.," is directed by John Peter Kousakis and written by Kyle Harimoto. CBS reports that fans of "NCIS Los Angeles" are in for big things in this episode which is also the show’s season 6 finale.

Let us know your thoughts on the upcoming episode of “NCIS Los Angeles” Season 6. For questions/comments regarding the article, you may email the writer at j.somosot@ibtimes.com.au.