NCIS: Los Angeles Season 4 Episodes

Find out where to watch Season 4 of NCIS: Los Angeles tonight

Season 4 Episode Guide

Episode 1 - Endgame

Following Callen's public shooting of the Chameleon on last season's finale cliffhanger, all is not well with the NCIS: LA team, as Callen is placed on suspension and Hetty adjusts to retired life.

  

Episode 2 - Recruit

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 Afghanistan and whether or not he betrayed the country he fought for.

  

Episode 3 - The Fifth Man

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 trail of those involved, they learn that a wayward teenage girl might be related and Kensi can't help but be empathetic to her situation. The real-life mothers of stars Chris O'Donnell, LL COOL J, Daniela Ruah and Eric Christian Olsen will appear in the episode alongside their children.

  

Episode 4 - Dead Body Politic

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 security as the agents must determine whether it is an isolated tragic incident or a politically connected plot that might put others in danger.

  

Episode 5 - Out of the Past

When a CIA agent 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 conspiracy. Meanwhile, Derek finds his inner "dog whisperer" with Kensi as the two go undercover and enter a dog show with a prized poodle.

  

Episode 6 - Rude Awakenings

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 secret exposed.

  

Episode 7 - Skin Deep

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 the victim's intelligence connections, Deeks and Kensi go undercover to catch their suspects and some waves.

  

Episode 8 - Collateral

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.

  

Episode 9 - The Gold Standard

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 case, Granger insists on partnering up with a very reluctant Kensi.

  

Episode 10 - Free Ride

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 holidays back at headquarters and Hetty takes a trip.

  

Episode 11 - Drive

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 NCIS: LA team tackles the large-scale stolen car operation from the inside when Kensi goes undercover in an auto body shop.

  

Episode 12 - Paper Soldeirs

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, Hetty summons Operational Psychologist Nate Getz to be her "pawn" and the rest of the NCIS: LA team sense another evaluation on the horizon. Peter Cambor guest stars.

  

Episode 13 - The Chosen One

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.

  

Episode 14 - Kill House

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.

  

Episode 15 - History

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.

  

Episode 16 - Lokhay

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.

  

Episode 17 - Wanted

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 nukes. Aunjanue Ellis guest stars.

  

Episode 18 - Red

When a murder weapon in Idaho matches the one used in a national security case in L.A., Callen and Sam fly to the crime scene to join NCIS: Red, a mobile team of agents who live and work together as they solve crimes in various locations. Kim Raver guest stars as NCIS Special Agent Paris Summerskill, John Corbett as Roy Haines and Scott Grimes as NCIS Special Agent Dave Flynn.

  

Episode 19 - Red, Pt. 2

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 terrorist before he disappears, on the conclusion of a two-part episode of NCIS: LOS ANGELES. Kim Raver guest stars as NCIS Special Agent Paris Summerskill, John Corbett as Roy Haines and Scott Grimes as NCIS Special Agent Dave Flynn.

  

Episode 20 - Purity

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 or an early test for large-scale water contamination.

  

Episode 21 - Resurrection

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.

  

Episode 22 - Raven & The Swans

Callen questions Hetty's motivations when a bizarre case involving a mysterious woman is revealed to be an undercover agent from her past.

  

Episode 23 - Parley

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 directon. Meanwhile, Kensi confronts new emotions as she runs surveillance on Deeks and his female source.

  

Episode 24 - Descent

An explosion in the desert rekindles the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and Sam and Deeks teamed up stateside. Aunjanue Ellis guest stars as Michelle Hanna, Christopher Lambert guest stars as Marcel Janvier and Timothy V. Murphy guest stars as Isaak Sidorov.

  



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