NCIS: Los Angeles: Season 4
NCIS: Los Angeles Season 4 continues the overarching saga across 24 episodes. The series follows the exploits of the Los Angeles based office, featuring characters who originally appeared in two parts of the sixth season of NCIS under the title Legend. As an American police procedural television series, it premiered on CBS on September 22, 2009 and concluded on May 21, 2023. The show is recognized as a spin-off of th
Season 4 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- NCIS: Los Angeles operates as an American police procedural television series centered on a Los Angeles based office.
- The series functions as a spin-off of NCIS, with the main characters having previously been introduced in the sixth season episodes titled Legend part one and part two.
- The broader television franchise originates from JAG, which first spawned NCIS before leading to both NCIS: Los Angeles and NCIS: New Orleans.
- The program originally premiered on CBS on September 22, 2009, establishing its baseline broadcast history prior to the fourth season.
Season overview
NCIS: Los Angeles Season 4 continues the overarching saga across 24 episodes. The series follows the exploits of the Los Angeles based office, featuring characters who originally appeared in two parts of the sixth season of NCIS under the title Legend. As an American police procedural television series, it premiered on CBS on September 22, 2009 and concluded on May 21, 2023. The show is recognized as a spin-off of the original NCIS series, which itself spun off from JAG, and it incorporates elements of action, adventure, drama, crime, and mystery.
Episode Guide
Season 4 Progress Shield
Endgame
Sep 25, 2012
Following Callen’s public shooting of the Chameleon, all is not well with the NCIS: LA team, as Callen is placed on suspension and Hetty adjusts to retired life.
Recruit
Oct 2, 2012
A drone strike on a bomb-making compound in Afghanistan reveals the body of a recently retired Marine, leaving the NCIS: LA team to investigate why the Marine returned to Afghanist
The Fifth Man
Oct 9, 2012
The NCIS: LA team investigate a compromised intel operation after four people connected to the classified project are killed at a diner explosion. As Deeks and Kensi are on the tra
Dead Body Politic
Oct 23, 2012
The NCIS: LA team investigates the tragic death of a U.S. senatorial candidate’s staffer who is run over crossing the street. The high-profile case becomes a matter of national sec
Out of the Past (1)
Oct 30, 2012
When a CIA agent who worked with Sam Hanna over eight years ago seeks his help and is soon found dead of an apparent suicide, Hanna and Callen suspect foul play and a bigger conspi
Rude Awakenings (2)
Nov 13, 2012
The NCIS: LA team continues their investigation behind the death of a CIA agent that leads to a dangerous ring of Russian super agents. In a race against time, Hanna risks having a
Skin Deep
Nov 20, 2012
The NCIS: LA team heads to the beach to question the possible link between a surfer, an Internet video and a dead Naval tech scientist. Meanwhile, as Callen and Hanna investigate t
Collateral
Nov 27, 2012
The NCIS: LA team questions the motive behind the murder of a retired CIA agent turned millionaire and in the process also questions what Hetty knows about the case.
The Gold Standard
Dec 11, 2012
The NCIS: Los Angeles team investigates the strange and brazen heist executed by gunmen in costumes that could directly impact the U.S. economy. Meanwhile, as Deeks testifies on a
Free Ride
Dec 18, 2012
Callen, Sam, Kensi and Deeks spend Christmas aboard an aircraft carrier investigating the death of a fellow NCIS special agent. Meanwhile, Nell and Eric make the most of the holida
Drive
Jan 8, 2013
A former defendant of Deeks is targeted for discovering information that could dismantle a lucrative car shipping operation with links to a global terrorist ring. Meanwhile, the NC
Paper Soldiers
Jan 15, 2013
A distraught widow is suspicious of the circumstances surrounding her Marine husband’s last battle and Sam and Callen help to determine if there has been a cover-up. Meanwhile, Het
The Chosen One
Jan 29, 2013
Callen goes undercover to infiltrate a network of Chechen terrorists who are recruiting foreign fighters to join their cause and planning their next attack in the U.S.
Kill House
Feb 5, 2013
Callen, Sam, Kensi and Deeks go undercover as an elite tactical force in order to investigate an ambush tied to a cartel kingpin with terrorist connections.
History
Feb 19, 2013
An NCIS: LA investigation leads the team to question a lone survivor of a former terrorist organization, while Kensi and Deeks follow the trail into the woods
Lohkay
Feb 26, 2013
Callen is concerned that Sam might be too invested after he takes on a missing persons case for an Afghani elder who helped him years ago when he was wounded on a mission.
Wanted
Mar 5, 2013
Sam fears for his family’s safety when his wife is called to resume a former CIA cover after a case suggests ties to the infamous Sidorov and his stolen nuke.
Red (1)
Mar 19, 2013
Callen and Sam fly to Idaho and join forces with NCIS: Red, a mobile team of agents who live together and investigate crimes in various locations, when a murder weapon found there
Red (2)
Mar 26, 2013
While the LA team chases leads digitally and locally, the NCIS: Red team travels in their mobile trucks, nicknamed "Laverne and Shirley", in a race to track down a cunning terroris
Purity
Apr 9, 2013
When cyanide in a communal water jug lethally poisons a lieutenant and leaves a Navy pilot in serious condition, the NCIS: LA team investigates whether this is an isolated incident
Resurrection
Apr 23, 2013
A body is stolen after a special task force successfully takes down an infamous cartel boss, leaving the NCIS: LA team to investigate the leak and track down the missing body.
Raven & the Swans
Apr 30, 2013
Callen questions Hetty’s motivations when a bizarre case involving a mysterious woman is revealed to be an undercover agent from her past.
Parley
May 7, 2013
Deeks goes undercover to obtain information about an infamous arms dealer looking to get back in the business, but the woman he befriends leads the operation in a dangerous directo
Descent
May 14, 2013
A nuclear explosion in the Pacific reignites the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and lea