WHEN A MARINE IS KILLED IN A CAR EXPLOSION, CRIME SCENE EVIDENCE LEADS THE NCIS TEAM ON A MISSION TO LOCATE ADDITIONAL BOMBS IN LOS ANGELES BEFORE THEY DETONATE, ON "NCIS: LOS ANGELES," TUESDAY, OCT. 4

"Backstopped" - Special Agent Sam Hanna is sent undercover as a bomb specialist as the team races to locate stolen explosives somewhere in the city. Meanwhile, to much protest, Hunter changes the dynamics of the team and has Callen partnered with Kensi and Sam with Deeks, on NCIS: LOS ANGELES, Tuesday, Oct. 4 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

NCIS Special Agent G. Callen................................ Chris O'Donnell
NCIS Special Agent Sam Hanna.................................. .LL COOL J
Henrietta "Hetty" Lange................. .Linda Hunt
NCIS Special Agent Kensi Blye ................................. Daniela Ruah
LAPD Detective Marty Deeks..............Eric Christian Olsen
Tech Operator Eric Beale.........Barrett Foa
NCIS Intelligence Analyst Nell Jones.......................... Ren�e Felice Smith

RECURRING CAST:

Lauren Hunter............................. Claire Forlani

GUEST CAST:

Calvin Winslow..........Andrew Elvis Miller
Charles Redman....................Ethan Wilde
Bodyguard......................Rico McClinton
Herself............................Leyna Nguyen

WRITTEN BY: Dave Kalstein and Shane Brennan

DIRECTED BY: Terrence O'Hara

RATING: To Be Announced