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The team goes undercover and joins a Mixed Martial Arts team in order to find the killer this week.
The investigation of a drive-by shooting has the NCIS team searching Los Angeles for the dead marine's younger brother who may be the next target and the one with the answers.
The team investigates the death of a sailor who died in an underground street race, and they find that his car was sabotaged.
The death of a lieutenant commander appears to be suicide, but the NCIS team uncovers evidence corresponding to murder.
While opening a safety deposit box, NCIS Special Agent Kensi Blye is shot after armed assailants enter and hold everyone in the building hostage.
The team investigates a case in which two men posing as Marines were trying to secure biological weapons.
The team rushes to a crime scene after receiving an "agent needs assistance" page and learns that one of their own is in peril.
The murder of a recently released convict forces Callen to go undercover solo as an old alias, while Sam and the LA team track him from a distance.
A Petty Officer is found dead this week on NCIS: Los Angeles. The episode is titled "Breach."
We've got a brief recap of this week's episode. It's titled "Brimstone."