- Season 14
- Season 13
- Season 12
- Season 11
- Season 10
- Season 9
- Season 8
- Season 7
- Season 6
- Season 5
- Season 4
- Season 3
- Season 2
- Season 1
- Specials
The NCIS team continues the case with ATF and the stolen military-grade weapons. Also, Callen and Anna decide on an impromptu wedding.
When an ATF agent goes missing, the bureau seeks help from the NCIS team to investigate stolen military-grade weapons and locate the agent. Also, Callen and Anna continue to plan their wedding, Rountree's sister interviews for medical school and Sam encourages his father to take part in the drug trial.
When four people, including a CIA officer, are shot and killed in broad daylight, the NCIS team suspects the attacks have something to do with DRONA. Also, Pembrook meets with Callen and gives more insight into his past.
The NCIS team must investigate when a Navy reservist is stabbed and his lab full of pesticides and insects is ransacked. Also, Kilbride offers Sam the interim operations manager position and Rountree thinks about his future.
The NCIS team is tasked with assisting NCIS' cold case homicide unit with a case from 2003 and a missing Navy petty officer. Also, Kilbride and his son, Alex, work to rebuild their relationship.
When the NCIS team receives a cryptic, urgent message, Fatima and Rountree must work together to solve the case. Also, Kilbride plans to visit his son, and Callen asks Sam to be his best man.
Sam Hanna must go undercover as a fighter to catch the leader of a gang dealing drugs on the streets.
When a petty officer is found dead with an apparent suicide note, the NCIS team must investigate the mystery surrounding his death. Also, Callen and Anna begin wedding planning and Sam has a heart to heart with his daughter.
When a mystery woman attacks the founder of an AI company, the NCIS team must identify the woman before the next major global conflict ensues. Also, Kilbride's ex-wife, Elizabeth (Marilu Henner), comes to visit and asks him to think about reconnecting with their son.
The NCIS team must quickly find Kensi and Fatima after they are kidnapped and drugged while searching for a missing Navy lieutenant who they learn has ties to a dangerous Islamic militia.
When Sam's friend Tom Olsen finds himself being hunted down by enemies from his past, the NCIS team must find out who is after him.
While Agent Rountree and Fatima are searching for Kilbride, who has been MIA, they are ambushed and learn that every member of the team has a $200,000 bounty on their head via the dark web. The NCIS team must save Agent Rountree and find Kilbride while every cartel, hit man, gang and psychopath hunts them down.
When NCIS investigates a shootout on a boat in which a rare cultural artifact is stolen, they're shocked to learn who owns the boat.
NCIS investigates an arson attack at Global West Ventures Corp, a naval defense contractor. Also, Rountree connects with an ex and Kilbride gives Callen files on Pembrook.
When a Marine falls ill during a training mission due to an attack by a genetic weapon, the NCIS must track down the person responsible for unleashing it. Also, Deeks struggles with balancing work and home life when Rosa comes down with the flu.
NCIS is called to investigate after Rear Admiral Ted Gordon is abducted from his home. Also, Kensi struggles with being the fun parent while Deeks is apartment-hunting with his mom.
NCIS is called to investigate when a woman is seen fleeing the scene of her husband's murder. Also, Roberta Deeks comes into town to meet Rosa, and Sam looks for another aide for his father.
When Aiden Hanna's plane crashes and he is accused of being at fault for the accident, the NCIS team must investigate to clear his name. Also, Rountree considers how he wants to handle the aftermath of the incident with the LAPD and Sam finds a new caretaker for his father.
The NCIS team join forces with the FBI when a group of grisly murderers known as "The Body Stitchers" returns after evading capture by NCIS years ago. Also, Sam's dad makes a new friend in Arkady.
After an architect duo who specializes in designing secure buildings is kidnapped, the NCIS team mounts a search to bring them home. Also, Deeks and Kensi realize they may need to get Rosa some help with her schoolwork, and Anna considers a career outside of law enforcement.
The NCIS team searches for a suspect and their motive following the bombing of a large facility where military combat drones are assembled. Also, Callen and Kilbride get troubling news about a body found in Syria.
The NCIS team hunts for a heist crew that robs a Los Angeles casino with military-grade power. Also, Kensi and Deeks hear exciting news regarding the adoption and Callen takes a big step in his relationship with Anna.
The NCIS team must quickly find Callen after he falls for Katya's trap using Sam's deepfake to coordinate a weapons deal.
NCIS investigates after two men are blown up by their own explosives while attempting to break into a military base. Also, Callen wants to take the next step with Anna, and Sam moves in with his father, Raymond.
The NCIS team works with DEA Agent Talia Del Campo to find a missing whistleblower set to testify against gun manufacturers marketing to drug cartels.
NCIS investigates the murder of a woman employed in the Navy's missile defense program and its connection to stolen Navy missile technology. Also, a strict social worker stresses out Deeks, and Sam debates selling his boat.
The NCIS team helps Naval intelligence officer Akhil Ali locate a fellow officer who went missing while recruiting foreign assets as potential sources of intelligence. Also, Callen and psychologist Nate Getz track down a man Callen believes was present for his training when he was young.
NCIS investigates the kidnapping of Master Sergeant Boomer, a military working dog. Also, Sam looks to sell his boat so he can take care of his father who is suffering from Alzheimer's.
Rountree and his younger sister are pulled over by police and treated harshly in a clear case of racial profiling. Also, NCIS investigates the death of a Navy photographer who was assigned to document the building of a new weapons station.
NCIS investigates the robbery of a high-end arts storage by going undercover as potential buyers on the black market, to find who is behind the stolen items.
When DOJ Agent Lance Hamilton's partner is killed, Sam dons his previous undercover persona of "Switch" to find the culprit. Also, Kensi, Deeks, Roundtree and Kilbride work to catch an aerospace engineer who stole classified Navy schematics.
The NCIS team investigates an unidentified aircraft that flies into U.S. airspace and crashes into a Navy plane. Also, Deeks and Kensi begin to prepare for their foster inspection.
When a newborn child is found abandoned on a Navy ship, Kensi and Deeks search for the mother on board before she dies of complications. Also, Nate meets with Admiral Kilbride and learns about the CIA project from the ‘70s and ‘80s involving children.
When a civilian scientist working with the marines is killed, and her advanced radar technology stolen, the NCIS team must scramble to find the missing technology and the culprit.
The NCIS team helps a U.S. ambassador search for her missing daughter, Gia, a popular social media influencer. Also, Agent Aliyah De León returns to support the team with the case.
The NCIS team scrambles to find Kensi, when she is attacked and kidnapped by a mysterious militia group while helping a group of migrants cross the border.
NCIS investigates the apparent suicide of a Navy intelligence officer who leapt to his death after taking LSD. Also, while Kensi is away, Deeks makes plans to redo the backyard without her input.
Sam negotiates and Rountree goes undercover, when a man takes a busload of hostages and threatens to blow it up unless his daughter's war crimes are posthumously cleared.
When an NCIS mission to protect a compromised undercover agent goes completely sideways, the agents are individually interrogated to find out what really happened. Also, Kilbride must make a difficult decision.
As Callen continues hunting Katya, Kilbride enlists NCIS to help find a truckload of stolen guns. The assignment becomes more challenging when their suspect, the son of a mob boss they believe was planning to sell them, is found dead.
Sam and Kilbride clash when a case involving an arms dealer responsible for the slaughter of ATF agents leads them to a well-connected General and friend of Kilbride, accused of supplying militia groups with guns. Also, Kensi and Fatima go undercover at a rehab facility to question the arms dealer's girlfriend.
NCIS takes the case personally when an LAPD officer's father, a beloved elderly Japanese American veteran, is the victim of a vicious hate crime.
While Callen suspects Hetty of keeping secrets about his past and Joelle surfaces in her quest to capture Katya, NCIS must track down an informant whose life is in danger. Also, Kensi and Deeks work to expand their family.
Deeks is kidnapped by an associate of Kirkin's who is in need of his help. Also, NCIS investigates the shooting of a militarized dolphin equipped with a Russian microchip and Beale makes Nell an interesting offer.
When a Naval Intelligence Officer is tortured and murdered, NCIS must work with Joelle, who informs them that other CIA operatives are being killed in the same way. Also, Kensi receives a threatening postcard from David Kessler, the sociopath who is obsessed with her.
When military grade technology is stolen, a deaf engineer, Sienna Marchione, who always wanted to serve her country, and the only member of her team to survive the theft, helps Kensi and NCIS track down the tech before it's taken out of the country.
NCIS obtains a hard drive containing a realistic deep fake video of a deceased terrorist and must retrieve the dangerous technology behind it. However, when the team's comms are highjacked during their mission, they find that one of their own has been a victim of its potential.
Callen and the team discover that Anna is being held by a group with ties to Anna's upbring and must rescue her before she is forcibly returned to Russia. Also, Admiral Kilbride makes Nell a serious offer.
To rescue Joelle from further torture by the Russians, Callen and NCIS must offer up Anna as bait to Katya. Also, Callen finally discovers who accused him of being a Russian spy.
After Callen receives a cryptic message from Hetty, he tracks down the person tailing him, bringing him to a remote location teeming with Russians... and face to face with Anna
When Callen goes to the National Counterterrorism Center on the pretext of interrogating a Russian asset from the crashed plane case he investigated months earlier, the tables are turned and he is detained, accused of being a Russian agent.
When Sam's daughter, Kam, is kidnapped after leading citywide protests, he will stop at nothing to find her. Also, Deeks rejoins NCIS and Callen searches for answers about Anna.
While NCIS must track down an organized crime leader who is trying to buy stolen defense technology, Callen goes to Anna to ask the ultimate question. Also, Deeks is kicked out of NCIS training only to find that Hetty has a life-changing surprise for him.
When NCIS investigates the murder of a man about to reveal the source of a massive counterfeiting operation, an old acquaintance becomes their prime suspect and reveals the true reason for her return. Also, Deeks struggles during training to become an official NCIS agent.
The NCIS team's murder investigation of a man who sold military information leads to the abduction of a doctor whose cutting edge neurotechnology could be developed into advanced weaponry. Also, team members are interviewed by FLETC to see if Deeks would make a good NCIS agent, and Callen tries to have an important talk with Arkady.
Before Christmas, Hetty assigns Callen the case of his former foster brother and his wife who, upon reentry into the U.S., are framed for smuggling drugs across the border in her oxygen tanks. Also, Deeks is struggling with losing his job at NCIS.
In order to get intel on a matter of national security, Kensi must come face-to-face with a sociopath who has been obsessed with her since she put him in jail years ago. Also, though Deeks is desperate to keep Kensi safe, he is forced to leave NCIS.
The body of a murdered Navy reservist is found by thieves in the midst of a robbery and NCIS must work with the burglars to find the killer. Also, Kensi and Deeks struggle to decide if they are ready to make the leap and buy a house.
When Nell sends Sam to meet an informant who plans to blow the whistle on a military secret, Hanna's life is in danger when the man tries to run him down and kill him. Also, Kensi and Deeks debate whether or not to buy their first house.
As the trial begins of a Chief Petty Officer who Callen and Sam arrested for war crimes last year, the NCIS team is called to help find the missing star witness.
When a Russian bomber goes missing while flying over U.S. soil, Callen and Sam must track it down in the desert and secure its weapons and intel before the Russians on board destroy the plane. Also, Hetty gives Nell a cryptic assignment.
Sam, Callen and Rountree travel to Afghanistan when Marine Lieutenant Colonel Sarah "Mac" MacKenzie asks NCIS to help with a sensitive case after two SEALs claim their chief murdered an unarmed prisoner.
NCIS helps a former NCIS tech operator search for her missing ex-partner, when they fear he might be working with the gun runners they failed to take down years ago. Also, Callen reveals to Sam that he's about to put down roots with Anna, and Deeks reels when his bar gets a negative review.
NCIS assists the DOJ in the investigation of an arsonist who targets an FBI safe house that's protecting a political activist seeking asylum. Also, Eric deals with the aftermath of Nell leaving the team.
While Sam investigates the murder of an Iranian exile working to overthrow the current regime, he must also try to save Agent Roundtree, a new agent who's having an unexpectedly adventurous first day on the job, when he accidently triggers a bomb. Also, Nell makes a decision about her future.
While NCIS investigates the disappearance of a department of defense officer who was looking into a recent UFO sighting, Anna makes a bold decision about her future.
When an FBI agent is killed while trying to track the location of an undercover agent, NCIS must find the missing agent before the criminals he was investigating do.
When Fatima is captured while on a mission and held for ransom, Callen and Sam enlist a deep undercover CIA agent, Kadri, to help get her back.
Anna Kolcheck returns to warn Callen that he is in danger and he must now work with an archenemy to stop an underground trafficking ring.
The NCIS team investigates the murder of a Naval warfare engineer at a spoken poetry event. Also, Callen asks Nell to assist him in a worldwide search for Anna's whereabouts.
After a rise in deaths caused by black market opioid use, the NCIS team links the street drug to funding for terrorist activities.
CIA Officer Veronica Stephens asks the NCIS team for help when an agricultural engineer Hetty asked her to bring to the United States disappears.
While the team investigates the theft of a computer virus, Callen and Sam consider their future at the agency, Kensi and Deeks discuss having children, and Eric and Nell analyze the impact of Eric's undercover assignment on their relationship. Also, the team tracks Mara a crooked upscale banker.
Akhos Laos, a former black ops agent originally recruited and trained by Hetty Lange, returns to seek revenge on Hetty for the life she introduced him to.
Callen and Sam travel to San Francisco to search for Beale after he's kidnapped during a clandestine mission for Hetty.
After a Navy lieutenant disappears from the scene of a car accident, the NCIS team processes the crime scene and discovers his laptop is missing along with recently accessed confidential information for retired Navy SEALs.
The NCIS team links the theft of an undersea drone prototype to a video game streamer's elaborate party. Also, Callen and Sam cross paths again with insurance broker Katherine Casillas, who insures the gamer's property and processions.
The NCIS team reluctantly aligns with two former criminals from England, Ricky Dorsey and Frankie Bolton, after a powerful arms dealer kidnaps Ricky's daughter in an attempt to obtain a dangerous weapons system.
The NCIS team searches for a stolen painting valued at $40 million after online chatter indicates the artwork is being sold on the black market to fund terrorist activity.
While Callen and Sam are aboard the USS Allegiance, the ship is placed under quarantine for possible Ebola exposure. Also, Kensi and Deeks investigate the murder of a petty officer who recently departed the USS Allegiance and is linked to the Ebola exposure.
Callen and Sam run protection detail for retired Navy Admiral Kilbride in an operation to locate a missing Naval intelligence officer.
Faced with multiple cases worldwide, the NCIS team splits up, with Callen and Sam working with Mossad Agent Eliana Sapir in Tel Aviv, and Kensi partnering with DOJ Agent Lance Hamilton in Los Angeles.
Callen and Sam work with Navy Capt. Harmon Rabb, Jr. to apprehend spies aboard the USS Allegiance. Also, Hetty partners with Marine Lt. Col. Sarah "Mac" Mackenzie to neutralize a missile attack in the Middle East, and Kensi and Deeks are trapped in a mobile CIA unit in Iraq while under attack by ISIS.
Callen and Sam work with Navy Captain Harmon "Harm" Rabb, Jr. to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend Lieutenant Colonel Sarah "Mac" Mackenzie, to help obtain information from a Russian diplomat.
Callen and Sam travel to the USS Allegiance in the Persian Gulf to work with Navy Captain Harmon "Harm" Rabb, Jr. when the NCIS team uncovers ISIS sympathizers who are targeting military.
The NCIS team travels to Cuba for an unsanctioned mission after Callen gets a lead on Anna Kolcheck's whereabouts.
After Anna Kolcheck escapes from prison with her cellmate, Callen and the NCIS team assist with the investigation and search for her whereabouts.
After a Navy Seal is attacked while moonlighting at a security job for a successful marijuana dispensary, Sam personally vows to apprehend the suspect out of respect for the Navy Seal brotherhood.
Department of Justice Agent Lance Hamilton asks Sam for assistance in locating a former U.S. border patrol tactical officer who disappeared following a threat by the cartel. Also, Kensi and Army Criminal Investigative Department Special Agent Steve Evans partner on a dangerous mission to recover a stolen hard drive with sensitive military intelligence on it.
Sydney turns to her sister Nell for help after her high school crush, Andre Martinez, is mixed up in a Russian plot to steal intelligence from the Department of Defense. Also, Special Prosecutor John Rogers conducts mandatory performance reviews with the team.
After months of planning, the NCIS family celebrates the wedding of Kensi and Deeks. Also, an old acquaintance, Anatoli Kirkin, pays Deeks a surprise visit on his wedding day and he isn't alone.
The NCIS team investigates the murder of a journalist who was writing an exposé on a mishandled classified military operation. Also, as their wedding day quickly approaches, Kensi and Deeks work on the last remaining items on their to-do list.
As the team continues to search for a terrorist cell in Los Angeles, Callen and Sam remain trapped in a movie theater after multiple bombs have detonated and every remaining exit is wired with explosives.
The NCIS team partners with the FBI to locate a terrorist cell in Los Angeles believed to be prepping for an imminent attack.
The NCIS team works with the Global Criminal Tribunal when a Syrian seeking justice, David Sarraf, is brutally attacked while delivering evidence that would prove chemical weapons were used on civilians. Also, Kensi stays at the crime scene and comforts Sarraf who is pinned behind a vehicle.
After the chief of logistics for a naval weapons station collapses on the job, the NCIS team must determine if this is a terror threat or a stress-induced breakdown. Also, Kensi and Deeks research different honeymoon locations
The NCIS team is joined by NCIS Special Agent Nicole DeChamps after a Marine reservist with a history of PTSD disappears following a drunk and disorderly altercation.
An elaborate bank heist to steal a single safe deposit box held by Veronica Stephens, a Navy contractor, leads NCIS to investigate her corrupt consulting firm.
The NCIS team investigates the home invasion of Navy Captain Dean Hadlow, who was entertaining his friend, General Omer Abidi of Pakistan, when robbers successfully stole money, jewelry and highly classified information. Also, Deeks and Kensi interview candidates to manage the bar.
Deputy Director Ochoa volunteers the NCIS team to assist with a covert operation tied to a terrorist group advocating for extreme military force. Also, Callen has concerns as to what an assignment of this nature could mean for the future of the team.
The NCIS team partners with the State Department after the murder of an arms dealer is connected to a series of crimes seemingly executed by someone with elite special forces training. Also, Callen visits ATF Agent Anna Kolchec in prison as she awaits her sentencing.
The NCIS team attempts to locate Mosley after she murders a cartel hitman and goes off the grid.
While assisting NCIS with an undercover operation, informant Elizabeth Williams is arrested and the team is unable to provide her with an alibi. Also, Callen meets with ATF Agent Anna Kolcheck who remains on suspension following her last joint case with NCIS.
The NCIS team is in danger after their pictures, as well as Mosley and her son's names, are included on a cartel hit list. Also, NCIS Deputy Director Louis Ochoa arrives with Special Prosecutor John Rogers to interview Mosley about the off-the-books mission in Mexico.
Callen and Sam are assigned protection duty for Deputy Crown Prince Kamal after an unknown assassin targets his decoy upon his arrival in Los Angeles.
After the prototype for a tactical assault suit is stolen from a Navy base and used in a Beverly Hills jewelry heist, the team must determine who stole the suit and what their next target is. Also, retired Navy Admiral Hollace Kilbride temporarily oversees the team while Mosley and Hetty face repercussions for the unsanctioned Mexico mission.
Gravely injured and unable to communicate with the team in the U.S., Callen, Sam and Kensi, with an unconscious Deeks in tow, search for a safe way home as a cartel boss places a "dead or alive" bounty on their heads. Also, Mosley and retired Navy Admiral Hollace Kilbride beseech their contacts in Mexico and D.C. for assistance with their missing colleagues.
Despite several team members with grave reservations, NCIS travels to Mexico for a risky mission to locate and rescue Mosley's son.
After Sam is shot during a firefight with the cartel, a suspect is interrogated and reveals new information on the whereabouts of Spencer Williams, the man who kidnapped Mosley's son five years ago.
NCIS investigates the murder of a federal prison inmate who was the adopted daughter of a notorious counterfeiter. Also, Callen is summoned by the Alcohol, Tobacco and Firearms (ATF) Internal Affairs board to discuss Anna Kolcheck's actions during a joint NCIS and ATF case.
NCIS partners with the FBI after a Marine is murdered by a rare nerve gas. Also, Deeks shares his dream to quit law enforcement and open a bar.
Callen, Sam and Nell travel to the Angeles Forest to search for pieces of a failed rocket launch, including a top-secret government device. Also, Hetty tries to help Keane acclimate to life in the states.
After a cryptocurrency farm is robbed of over $10 million in Bitcoin codes, Sam and Hidoko go undercover, with Sam resuming a likely compromised former alias.
Callen and Sam join forces with Anna Kolcheck and the Bureau of Alcohol, Tobacco and Firearms (ATF) when Arkady Kolcheck warns NCIS that a notorious international weapons dealer has returned to the states. Also, the case requires Eric to go undercover as a bank IT technician.
While investigating a missing person's case, the team uncovers a killer who puts on shows for high-paying voyeurs. Also, Mosley assigns Callen as her partner on a joint ATF mission to apprehend someone from her past.
Callen pursues every alternative when the Diplomatic Security Service apprehends his father, Nikita Aleksandr Reznikov, as part of an exchange for two American photographers being held hostage in Iran.
Callen and Sam pull Granger's daughter, former spy Jennifer Kim, from witness protection to help the team locate an underground spy who has obtained an arsenal of bomb materials.
Callen, Sam, Kensi and Deeks join Hetty's team from the Vietnam War, Sterling Bridges, A.J. Chegwidden and Charles Langston, in a dangerous and off-the-books rescue mission to save Hetty from her captors in Vietnam. Also, Mosley calls in Nell's sister, homeland security specialist Sydney Jones, to assist the team in Los Angeles with processing evidence connected to Hetty's time in Vietnam.
While Hetty is being tortured by her captors in Vietnam, Eric and Nell find a clue to her whereabouts, prompting the team to organize a rescue mission with very little information.
After napalm is detected at a crime scene, the NCIS team investigates the sole casualty for possible links to terrorism.
The team investigates a ransomware attack that takes out the entire power grid for west L.A. and paralyzes the city. Also, as the first holiday season since the death of Sam's wife approaches, he struggles to find the best way for his family to celebrate.
The NCIS team tracks a highly skilled assailant determined to avenge her father's death by killing a Brazilian diplomat.
Callen and the team question CIA Agent Joelle Taylor's backstory after she escapes from a kidnapping and turns to Callen for help.
The NCIS team must locate a group of unknown assailants who illegally crossed the border and attacked California Highway Patrol officers. Also, Homeland Security sends over Specialist Sydney Jones, Nell's older and bossy sister, to assist NCIS with the case.
After an Air Force captain Kensi dated a decade ago breaches a missile launch facility, she is transported to the location to help thwart the use of nuclear weapons.
LAPD Detective Whiting calls in a favor from Deeks after his former partner, LAPD Lieutenant Bates, goes rogue and only Deeks can bring him in.
Sam goes undercover as a day trader after a prominent investment banker with ties to a Russian oligarch is murdered. Also, one of Callen's aliases is the victim of credit card theft, and Mosley is concerned it signals something bigger.
After weapons with a $1 million street value are stolen, the team tracks the evidence to a wealthy charity event, prompting Mosley to be added to the guest list with Callen and Sam as her security detail.
During the murder investigation of a Navy Lieutenant on leave in Los Angeles, the NCIS team uncovers classified surveillance briefs she smuggled into the city that may have been sold to a foreign buyer.
When the daughter of a notorious counterfeiter arrives in Los Angeles, Sam is sent undercover as a financier, while Callen partners with Anna to track the family's latest scheme.
After Hetty turns in retirement papers and then disappears, Executive Assistant Director Shay Mosley arrives in Los Angeles to oversee the team and immediately makes staffing changes. Also, still mourning the death of his wife and living in a trailer on the beach, Sam is adamant that Callen find a new partner.
Following the kidnapping of Sam's wife, Michelle Hanna, Sam goes rogue from the NCIS team and attempts to stop his arch nemesis Tahir Khaled from ever targeting his family again.
After Sam's wife, Michelle, is taken from her home, the kidnappers demand the prison release of Tahir Khaled, Sam's arch nemesis, in exchange for information on her whereabouts.
A gold heist investigation has the NCIS team working with Hetty's former Vietnam War colleagues, Retired Admiral AJ Chegwidden, Admiral Sterling Bridges and Retired Captain Charles Langston.
After a highly decorated Navy Captain, Charles Langston, kidnaps a Veterans Affairs administrator who has been siphoning funds, the NCIS team must work with Hetty's former Vietnam War colleagues, Retired Admiral AJ Chegwidden and Admiral Sterling Bridges to solve the case.
The NCIS team investigates a defense contractor, Rebecca Larmont, designing a nuclear attack weapon after her estranged husband, Victor Larmont, says he has proof she is selling Navy secrets to a foreign government. Also, Kensi goes undercover as a professional dancer at the Cuban club where the husband works, while Deeks is undercover as the bathroom attendant.
After an engineer who was developing a new guided missile destroyer is murdered, Callen and Sam go undercover to track his co-worker aboard a plane to Tokyo to sell the classified intel. Also, Deeks plans a surprise get-together for Kensi and her out-of-town friends.
After the U.S. Treasury Department is hacked, Nell and Eric go undercover inside a couple's retreat to track a tech-savvy husband and wife linked to the crime. Also, Digital Forensics Specialist Dave Flynn arrives from the NCIS cyber office in San Diego to run ops while Eric and Nell are on assignment.
Sam assumes a former alias in a risky undercover operation to take down an elusive drug lord. Also, Hetty interrupts Callen and Anna's romantic night to assign them a prisoner escort mission.
After a retirement home resident is kidnapped, the NCIS team uncovers a pair of con artists: Ginger and Edward O'Boyle, who hop from home to home scamming the elderly out of their money. Also, Callen confronts his father on his illegal activity and the danger it places on their family.
Emotions run high for the team as one agent is held in an unknown location and tortured by the mole, while another discovers he was betrayed by someone he least expected.
Hetty goes rogue, leaving the NCIS team completely in the dark, and the mole kidnaps one of the agents.
Planted evidence by the mole results in the arrests of Callen, Sam, Granger and Deeks, on the same day Under Secretary Duggan returns for Hetty's resignation.
After a Navy reservist is killed while protecting a city councilman, Sam is sent undercover in a private security firm with links to several criminal organizations. Also, Callen and Anna discuss the next steps in their relationship.
Sam partners with Anna and Callen with Deeks as the team investigates the disappearance of a Navy Lieutenant Commander who is working with the NSA on foreign cyber threats. Also, the team celebrates the holidays together
After an unknown female assailant kills two men disguised as Sherriff's deputies in front of Callen's home, the NCIS team gets a new lead in the ongoing mole investigation. Also, Nell visits a prison to interview an inmate withholding information on the department's leak.
After Callen's father, Garrison is found in an NCIS patient's hospital room during a radiation poisoning case, Callen must take him to the boatshed for interrogation. Also, the team discusses their Thanksgiving plans.
After a graduate student developing an electromagnetic weapon for the Navy is attacked, the NCIS team discovers a connection to international warfare. Also, Kensi continues grueling physical therapy for her spinal injury.
Callen goes undercover as a patient in a mental health hospital to search for an NSA agent who disappeared while tracking an ISIS cell trying to cross the Mexican border.
After a maintenance man saved the life of a lieutenant commander, the NCIS team uncovers his dark past which puts a local teenager in danger. Also, Sam must decide which colleague to take to the Los Angeles football game.
The murder of a navy machinist with high security clearance sends the team on a city-wide hunt tracking evidence. Also, Anna Kolcheck partners with Callen, and Sam assists Hetty in the on-going mole investigation.
After a Homeland Security agent is poisoned by a notorious Triad assassin, NCIS uncovers a warehouse of counterfeit purses and a money trail to stolen government funds. Also, Nell joins the team in the field.
The NCIS LA team investigates an abduction case while down two members, with Hetty being held in D.C. for questioning, and another still in the ICU following the mission in Syria.
After NCIS fails to locate a mole in the department, Under Secretary of Defense Corbin Duggan insists on new leadership and takes over the Los Angeles unit from Hetty and Granger. Also, the team travels to Syria to apprehend a High Value Target where one team member is severely injured when the mission goes awry.
After NCIS fails to locate a mole in the department, Under Secretary of Defense Corbin Duggan insists on new leadership and takes over the Los Angeles unit from Hetty and Granger. Also, the team travels to Syria to apprehend a High Value Target where one team member is severely injured when the mission goes awry.
When Sam's Son's school is taken over by an extremist group, the team rushes to San Francisco to protect him and free the hostages.
Sam and Callen go undercover as firefighters when top secret information about suspected terrorists is stolen from a secure Department of Defense container at the site of a fire.
Granger escorts Jennifer Kim, a North Korean spy who is his long-lost daughter, back to Los Angeles and interrogates her.
The team learns that operational psychologist Nate Getz is working with an infamous crime leader, after he fails to check in with Hetty while working undercover on a mission linking organized crime to terrorism.
While assigned to protective details for the commander of the Pacific Command, the team searches for a North Korean spy.
Callen and the team try to save a child in imminent danger who has been brainwashed by a terrorist cell. Also, Deeks and Kensi discuss having children.
When a convicted Cuban spy escapes U.S. custody just before he is set to return to his country in a prisoner exchange, the team is shocked to learn that Anna helped him break out. Also, Deeks admits to Kensi that he thinks she is too messy.
After extensive surveillance footage of Sam's family is found in Africa, Sam and Callen fly there to determine who is responsible and for what purpose. Also, Sam's family is moved from their home to a safe house.
While they're in Russia, Callen, Sam and Anna craft a plan to break Anna's father and his CIA agent companion out of prison. Also, Special Agent G. Callen finally learns what the "G" in his name stands for, and in Los Angeles, Kensi and Deeks take Eric into the field on an assignment.
In order to locate Arkady in Russia, the NCIS team goes undercover with his daughter, Anna, at a gala in Los Angeles to gain access to the Russian Consul General's computer.
When Kensi and Deeks announce to the team they are moving in together, coincidentally, Hetty assigns them to protection detail for Jack, Kensi's ex-fiancé, who is in possession of a list containing important contacts in Afghanistan that people are willing to kill to get their hands on.
The team investigates the murder of tech entrepreneur turned venture capitalist who secretly developed a daemon, a background computer program that allows for undetectable data collection
Kensi and Deeks go undercover at a decommissioned nuclear power plant as the team investigates the radiation poisoning of a Gunnery Sergeant moonlighting as a security guard there.
When a suspected North Korean spy is poisoned and hit by a truck carrying Christmas trees, the team must search for who is responsible for smuggling spies into the country. Also, Deeks and Kensi try to find a way to include their mothers in their Christmas plans, and Hetty notices that Granger isn't feeling the holiday cheer.
While Deeks is under arrest and interrogated for the murder of his former partner, the team races to try and prove his innocence
The team searches for a missing teenage girl who is feared to have been recruited by a terrorist organization.
The team searches for Jada, the woman Sam led to asylum in the United States four years ago, after she goes missing. Also, Kensi goes undercover with DEA Agent Talia Del Campo.
Kensi and Deeks go undercover as cult members to rescue a former Department of Defense employee brainwashed into revealing classified information, as the rest of the team works to prevent the cult from selling the government secrets.
The team searches for Sam's former partner, Ruiz, who disappears while buying a deadly explosive during an undercover operation
NCIS Special Agent DiNozzo partners with the NCIS: Los Angeles team to search the city after his prisoner escapes custody on a flight from Singapore to Los Angeles.
Callen and Sam are forced to work on their day off when they mysteriously receive a cell phone and the caller threatens the lives of innocent people if they don't do exactly what he says.
The NCIS Los Angeles team investigates a 20-year old Peruvian massacre after a well-known fashion model, believed to be one of the survivors, is now a potential target. Also, Kensi goes undercover as the model's assistant and Deeks as her chauffeur.
DEA agent Talia Del Campo seeks help from NCIS after her partner is murdered. Meanwhile, Kensi grows suspicious that Deeks is hiding something, but he surprises her by introducing her to his mother.
When Callen goes rogue and embarks on a secret mission that leaves Sam and the team in the dark, Hetty demands that his operation be shut down and tasks the team with finding him.
The case involving Arkady and his personal connection to an oil tanker now leads Callen, Sam, Deeks and Kensi to Moscow, where the team must assume multiple undercover identities to locate their suspects. Meanwhile, Callen uncovers new information regarding his father.
Callen and Sam search for answers when they find dead crew members from the missing oil tanker used in Arkady's deal with Russia, and also discover Arkady's personal connection to the ship.
The team searches for a former Marine and expert sniper who escaped a veterans hospital when they discover his connection to the leader of an extremist group. Also, the case reminds Kensi of her past as a sniper.
Callen and Sam are shocked when an old acquaintance, who they thought was the recent victim of a murder, appears and asks for their help. As the team investigates, they uncover a possible breach of America's economic sanctions against Russia.
Callen and Sam resume their undercover identities as a prisoner and guard to infiltrate a white supremacist group believed to be in possession of stolen nuclear material, while Kensi transforms herself into a tattooed biker to play the part of Callen's girlfriend. Also, Callen's first meeting with Hetty is revealed.
When a missile test is hijacked and sent off course, the team searches for the hacking group responsible for the attack with the help of a young computer specialist Hetty brings in to assist the team. Also, Nell sees the bond between the tech guru and Eric and she becomes jealous.
When three FBI agents are killed in an explosion following a successful undercover sting operation, the team searches for the person behind the attack. Meanwhile, Deeks and Kensi realize the team knows about their relationship, as Hetty pairs Kensi with Sam and Deeks with Callen during the investigation.
While the team investigates the death of one of three Afghanistan soldiers who are training in the U.S., they discover two other soldiers are missing and must find them before they're forced to reveal classified military operations to their captors. Also, Sam is back to work but his team worries it may be too soon, and Callen realizes he has very little in common with his partner.
When Callen and Sam are tasked with apprehending a spy contracted by the CIA, Sam is shot and the team enlists the help of Thapa, the elite Nepali soldier from their past, to help to find the shooter. Also, Kensi and Deeks have their first official argument.
Callen and Sam are kidnapped when they follow an anonymous tip about a missing NSA agent. When the team discovers they are nowhere to be found, they realize it could have been a trap set by terrorists.
Callen and Sam go undercover as food truck owners in Mexico to find the source of an anthrax poisoning before it's used to create a bioweapon.
After U.S. Ambassador Nancy Kelly narrowly escapes a terrorist attack at the U.S. consulate in Tunisia, Callen and Sam are sent on a secret, dangerous mission to obtain key evidence from the crime scene. Upon their return, the team seeks Kelly's help to provide missing information.
While Callen is undercover in the mail room of an office building to investigate an arms dealer, it is taken over by terrorists and Callen becomes a hostage. When the team arrives to help, they discover the entire building is wired with explosives.
The team investigates a burglary at a cyber-security company, but Callen must steer clear of the crime scene after Hetty reveals his girlfriend, Joelle, is one of the lead witnesses. Also, the team discusses their personal holiday travel plans.
Sam reflects on his own upbringing and relationship with his father when the team investigates the murders of marines who have sons in military academies.
After Granger is poisoned by the mole and Eric is one of the seven suspects, Hetty orders a lockdown while everyone is investigated.
Kensi and Deeks go undercover to investigate the murder of a homeless man who was a former marine and CIA agent and discover his connection to the Mexican cartel.
When a man is murdered by a small drone, the team discovers his connection to a terrorist group that is planning another local attack. With time running short, Nell must use her drone expertise to try to divert a disaster in Long Beach.
When Sam is arrested for murdering a woman, Callen and Granger work to clear his name. Meanwhile, Kensi and Deeks discover a link between the victim and a student from Sam's past.
After a shooting at the Department of Defense, Callen and Sam go to Mexico to hunt for the only employee who managed to escape.
When the NCIS: LA team learns that someone from their past is targeting one of their own, they desperately search the city. Meanwhile, Operational Psychologist Nate Getz visits Nell to help her through her traumatic experience.
The NCIS: LA team takes action to protect one of their own while being interrogated by the Department of Justice. Meanwhile, Nell goes undercover as Hetty, and Director Leon Vance gives Hetty disturbing news while she is in Washington.
The NCIS: LA team discovers that one of their own is compromised when they investigate the murder of a Navy contractor involved in illegal transactions of confidential data. Meanwhile, Hetty is under investigation in Washington, D.C., when the Department of Justice arrives in L.A. to investigate the team.
Callen and Sam are trapped in an armed submarine that terrorists have aimed to hit an aircraft carrier in San Diego. Meanwhile, Hetty defies orders and forgoes her trip to Washington, as the team tries to locate and save Callen and Sam and prevent the terrorist attack.
When the NCIS: LA team and the DEA uncover the cartel's plans to slyly transport billions of dollars' worth of cocaine from Colombia to the United States using a submarine, Callen and Sam must quickly locate the missing vessel. Meanwhile, Hetty is called to Washington in the aftermath of the controversial mission in Afghanistan.
When a news reporter announces the group responsible for the deadly explosion at a military-sponsored charity event, the team must investigate her claims and search for the attacker.
Sam is convinced that the theft of software for a new unmanned aerial vehicle is connected with the disappearance of the lead engineer's 10-year-old daughter, a girl Sam once provided protection detail for in Saudi Arabia.
When an undercover NCIS agent is suspected of working for the smuggler he's supposed to be investigating, the team takes him into custody to find his true intentions. Meanwhile, Kensi and Deeks discuss their personal relationship as Kensi returns to the field.
When the NCIS: Los Angeles team investigates a case involving a former marine who is being tracked down by members of al Qaeda for embezzling money from Iraq, Hetty assigns Nell to join Deeks in the field. Meanwhile, Eric is given a new partner in Ops.
After learning that Special Agent Kensi Blye disappeared and the Taliban may be he holding her captive, Hetty sends the NCIS: LA team to Afghanistan on a rescue mission.
The NCIS: LA team is called in to determine if the computer system that controls Russian missiles is at risk after Eric overhears his friend, a computer systems expert, being attacked during online game play. Meanwhile, Kensi is shocked when a familiar face from her past shows up in Afghanistan.
When an undercover agent is identified and executed by a local gang, the NCIS: Los Angeles team must locate the mole before other agents' lives are put in danger. Meanwhile, Granger begins to worry when Kensi disappears in Afghanistan.
Following an explosion at a fish market, the NCIS: LA team partners with an undercover DEA agent to determine if the incident is an act of terrorism or a botched drug smuggling deal. Meanwhile, in Afghanistan, Granger and Kensi investigate a helicopter crash that could be tied to their ongoing search for the infamous white ghost.
Sam and Callen head to Mexico to search for Tuhon, a retired assassin they encountered on their very first case together, now a suspect in the murder of a diplomat. Meanwhile, Nate and Deeks stay in Los Angeles to assist with the investigation.
When two private military contractors are murdered, the teams' investigation leads to a suspect who puts one of their own in serious danger. Meanwhile, Sam sets up Callen on a blind date.
While in Afghanistan, Kensi and Granger join the team on a joint case when a federal agent in Los Angeles tied to Hawala, an ancient system of money transfer, is murdered.
The NCIS: Los Angeles team searches for a motive when a senator's daughter is attacked. Meanwhile, Deeks and Nell partner up to help Sam and Callen bring the daughter to safety and Kensi receives the perfect holiday gift from one of her co-workers.
When a former Romanian Communist leader and suspected war criminal is discovered to be living in Los Angeles under a false identity, the NCIS: LA team must locate him before he disappears again.
Callen and Sam enlist the help of a Gurkha, an elite Nepali soldier specializing in knife fighting, to retrieve a missing thumb drive. Meanwhile, Kensi and Deeks struggle to find a balance in their partnership.
Kensi goes undercover as a nutritionist and Deeks poses as a new patient at a rehab center to investigate the death of a Navy officer.
When an antiterrorism device is stolen, the team must quickly find the suspect and the device before an attack is made against Los Angeles. Meanwhile, Hetty realizes the case is bringing her back to someone from her past.
The NCIS: LA team must notify Homeland Security when a murder investigation exposes a larger threat to a Los Angeles-based train.
Callen goes undercover at a prestigious high school after a 15-year-old hacker compromises terrorist missions.
Analyst Nell Jones joins the NCIS: LA team in the field when a former Navy officer's girlfriend is kidnapped in exchange for Navy intelligence. Meanwhile, Deeks unknowingly breaks one of Hetty's rules.
The NCIS: LA team finds themselves in danger while investigating a kidnapping case of a man claiming to be Callen's father.
The NCIS: LA team must find who compromised a classified vaccine project from a bio tech company. Meanwhile, Deeks struggles with his emotions upon returning to the field.
In an effort to help Sam and Deeks return to work, Hetty calls upon Operational Psychologist Nate Getz to help them cope with their traumatic experience. Meanwhile, the rest of the NCIS: LA team investigates the murder of a former Navy Admiral and a controversial journalist aboard a private jet.
While Sam and Deeks recover from traumatic torture that will have a lasting impact on their personal and professional relationships, lives are still in jeopardy as the NCIS: LA team searches for stolen nuclear weapons.
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.
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.
Callen questions Hetty's motivations when a bizarre case involving a mysterious woman is revealed to be an undercover agent from her past.
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.
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.
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.
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.
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.
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.
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.
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.
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..
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 sense another evaluation on the horizon.
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.
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.
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.
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 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.
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.
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 conspiracy. Meanwhile, Deeks finds his inner "dog whisperer" with Kensi as the two go undercover and enter a dog show with a prized poodle.
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.
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.
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.
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.
Callen and the NCIS: LA team confront their vengeful adversary, the Chameleon, when an undercover case ignites a deadly mind game orchestrated by the criminal mastermind.
Callen and the NCIS: LA team confront their vengeful adversary, the Chameleon, when an undercover case ignites a deadly mind game orchestrated by the criminal mastermind.
Kensi and Deeks are sent undercover as married couple Melissa and Justin when evidence points to a Russian sleeper cell in a suburban neighborhood.
The joint NCIS: Los Angeles and Hawaii Five-0 task force travel from Hawaii to Los Angeles, when the lead suspect in the case moves to the mainland with a deadly virus in tow.
When a former Marine is suspected of creating a chemical bomb, the NCIS: LA team joins the FBI's domestic terrorist task force including Operational Psychologist Nate Getz.
When the body of a Navy Intel Officer is found, evidence points to a team of Navy SEALs who are about to depart on a hostage rescue mission, leaving former Navy SEAL Sam Hanna to interrogate the group and possibly compromise the mission.
The NCIS: LA team investigates a shooting outside the Vietnamese Consulate just prior to an international conference at the venue that the Secretary of the Navy is scheduled to attend.
The NCIS: LA team continues to search for new evidence to prove Kensi Blye's innocence after a private meeting involving her deceased father's sniper unit turns deadly.
The NCIS: LA team searches for new evidence to prove Kensi Blye's innocence after she is taken into custody as the lead suspect in a murder investigation involving her deceased father's sniper unit.
With Assistant Director Granger critiquing every move, the NCIS team must track down a chameleon-like killer who has evaded law enforcement agents, including their very own Special Agent G. Callen, across several countries.
After a diplomatic service van transporting an unknown package from the State Department is hijacked, the NCIS team must determine who committed the crime and what has gone missing. Meanwhile, Callen and Sam celebrate five years as partners, but face one of their biggest challenges when they go undercover for a case.
When a vehicle transporting Jada Khaled is ambushed, NCIS must track down the culprit to save her and their case. Meanwhile, Sam is forced to confront Jada for the first time since returning from Sudan.
When a researcher with the Department of Defense is found dead, Nell must put her high IQ to the test when she goes undercover as his replacement. Meanwhile, Hetty's ability to lead the team is questioned by the new NCIS Assistant Director, Owen Granger.
The NCIS team must locate a classified device with the power to destroy Los Angeles that was stolen from a college research facility. Meanwhile, Sam tries to track down a highly sought-after Christmas present for his daughter, and Eric meets Nell's parents.
Botched assignment forces Hetty to fire Deeks and send him back to the LAPD. Meanwhile, an awkward goodbye between Kensi and Deeks leaves her with unexpected emotions for her old partner.
After Sam's undercover mission in Sudan turns deadly, Callen and the NCIS team must track down their missing agent before it is too late.
When a Navy ID is found on a dead body tied to a hazardous material smuggling case, NCIS is granted permission to investigate in Mexico and asked to help locate the missing materials.
The NCIS team must determine whether a dishonorably discharged Marine is the target of an international set-up or if he committed murder.
The NCIS team investigates the murder of a former Navy intelligence officer who had been living a double life and traveling overseas on false passports.
The LAPD calls upon the NCIS team when a raid links a Mexican drug cartel to a wanted terrorist. Meanwhile, Sam's most prized possession is stolen.
The NCIS team delves into the underground world of the Libyan resistance movement following the murder of a news reporter, and Hetty reveals details about Callen's past.
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.
The NCIS team joins forces with the NSA to find the creator and controller of a software program linked to a cyber attack against the Department of Defense. Meanwhile, Callen continues searching for more information about his past.
As the team travels to Romania to search for Hetty, Callen discovers new information about his past.
Hetty's sudden resignation prompts Callen and the NCIS team to investigate the reason why she would disappear in the hopes of tracking her down.
After a Navy SEAL imposter is set ablaze, NCIS obtains new information regarding the whereabouts of the stolen Brachytherapy canister from a previous case that could be used to make a deadly bomb.
Deeks resumes an old alias he is not fond of in order to protect his best friend and chief informant from a criminal group that wants him dead.
After a rocket engine expert is killed, NCIS tech operator Eric Beale goes undercover for the first time to ensure that the classified technology used to build satellites is safe.
Kensi goes undercover as a thief in the hopes of uncovering the object that a world-class thief intended to steal.
Investigates whether the life of a Venezuelan politician is in danger after a Navy Intelligence Commander who is responsible for tracking his moves suddenly disappears.
Sam resumes a former alias and boards a one-way flight to Yemen in hopes of tracking down a terrorist group's leader and rescuing the hostage son of a Saudi Prince.
Deeks' morning routine is disrupted when he is shot during a convenience store robbery, leaving the NCIS team to investigate whether he was the assailants' intended target.
Suspicious of an undercover venture involving a deal between corrupt cops and military personnel, Callen and Sam try to expose the illegal operation by posing as California highway patrol officers.
After Callen catches a man breaking into his house, a former KGB operative leads the NCIS team to a shipment of counterfeit computer chips entering the United States.
Sam goes undercover as a prisoner to track down a terrorist group responsible for several bombings around the world.
The NCIS team sets out to find the individual responsible for stealing a classified Pentagon document before the file's decryption code is cracked by the wrong party.
The NCIS team uncovers an experimental Navy tracking system when a body containing a top-secret residue is stolen from an autopsy room. Meanwhile, Callen challenges Hetty on the rock wall.
Kensi connects personally with a discharged Navy Intelligence officer suffering from post traumatic stress disorder who is the sole survivor of a deadly dispute being investigated by the NCIS team.
Hetty and the NCIS team continue to search for an elusive book that has the attention of several foreign security agencies, in the conclusion of a two-part episode.
Murdered antiques dealer has Hetty and the NCIS team searching for his missing book containing top-secret information in part one of a two-part episode.
When a former Army Sergeant responsible for hunting down high-value targets is found dead, the NCIS team searches for terrorist leaders suspected of his murder. Meanwhile, Deeks bonds with a person of interest in the case, making him more determined than ever to track down the killers.
After a state department employee and a plastic surgeon are murdered by a group of terrorists, the NCIS team must frantically search for the only witness who can identify the killers' surgically altered faces.
After a downtown Navy Recruitment Center is held hostage, Callen mediates with his ex-partner, Tracy Keller, to uncover information about a hijacked shipment of Spike missiles.
Videotape revealing a Naval Commander's daughter being buried alive strikes a nerve with Special Agent Sam Hanna and thrusts the NCIS team in a race against the clock to save the girl before time runs out.
The NCIS team investigates the murder of a Marine with top-level security clearance after he is found dead and missing a hand in a Beverly Hills parking lot off Rodeo Drive.
The NCIS team jumps into action when video surveillance footage shows an ambush on a humvee transporting Marines in the desert. Meanwhile, Nate returns from his mystery assignment.
After a mysterious hit squad takes out a Special Agent on assignment, the NCIS team jumps into action before the next target is set.
When one of their own disappears while undercover, the team must work alongside LAPD on a case involving human-trafficking, money laundering and drugs.
Callen races against a ruthless adversary to locate a woman who knows the whereabouts of a forgotten fortune earmarked to fund a new war in the Middle East - and also holds the tantalizing key to his unknown past.
After Callen's cover is blown and compromises the unit, the NCIS team races to find out who is behind the security breach.
The NCIS team is on the hunt for a terrorist who escaped Army custody during a secretive transfer in Los Angeles.
The NCIS team races to save one of their own when they receive video evidence of Special Agent Dominic Vail being held hostage months after he was kidnapped.
Investigates the murder of a Navy officer entangled in the world of Hollywood glitz and glamour as the team is joined at Hetty's request by LAPD liaison Marty Deeks.
When an undercover operation has the NCIS team investigating a MMA gym and its fighters, Sam Hanna is tasked with donning gloves and entering the cage for a one-on-one fight.
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.
After a sailor is killed during an underground street race, the NCIS team determines that his car had been sabotaged and contained confidential Navy equipment. Meanwhile, Callen is forced to take traffic school.
The death of a lieutenant commander appears to be suicide but the NCIS team uncovers evidence corresponding to murder. Also, Operational Psychologist Nate Getz joins Special Agent Kensi Blye in the field.
While opening a safety deposit box at a local bank, NCIS Special Agent Kensi Blye is shot after three armed assailants enter and hold everyone in the building hostage.
Crime scene poses a national security risk when the LA team discovers the location was used to create a deadly toxin which is now missing.
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.
The death of a Petty Officer leads the NCIS team to a teenager in Sam's life. Meanwhile, Hetty is concerned about the effect that the workload is having on the team.
As the courtyard is being transformed with holiday decorations, the NCIS team races to solve the murder of a Marine by an exploding cell phone and to find the remaining men of his former EOD unit before another deadly explosion kills someone else.
Forensic scientist Abby Sciuto joins the Los Angeles NCIS team when a murder case resembles the pattern for a serial killer she has been tracking.
While Hetty is attending a Senate hearing in D.C., the investigation of a murdered Marine Lance Corporal leads the NCIS team to stolen anti-tank missiles and a dangerous militia group.
Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.
The NCIS team must find a motive when they discover the body of a marine who had been living a double life as a wealthy bachelor.
When a United States citizen of North Korean descent is murdered, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Director Vance's past.
The NCIS team searches Los Angeles for the lead suspect of a murdered Iraqi businessman, a former Marine who had been hired by a private security firm to protect him.
The team is assigned to track down a missing unmanned aerial vehicle after it is compromised during a training exercise killing a marine before it disappears.
Case involving the murder of a drug dealer turns personal for Special Agent Sam Hanna when he discovers his former Navy Seal comrades are involved.
Newly located in a Los Angeles mission, the NCIS Office of Special Projects welcomes Callen back to the team and races to solve a kidnapping case.
"A Salute to 'NCIS: Los Angeles,'" an "Entertainment Tonight" special, will air after the series finale on Sunday, May 21. The one-hour special features footage and interviews with NCIS: LOS ANGELES cast members from the past 14 years, including current exclusive interviews, favorite memories and behind-the-scenes moments from the ENTERTAINMENT TONIGHT vault.
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