The team investigates a car explosion with a connection to an agent who went missing six months earlier; Gibbs asks NCIS Special Agent Alex Quinn to shadow his team.

Torres and Quinn adjust to life on Gibbs' team while investigating a death at a High School reunion.

A marine sergeant falls from a building, it appears she attempted suicide, but her psychiatrist, Dr Grace Confalone, urges Gibbs to investigate her attempted murder.

Gibbs, Quinn and Palmer head out to sea when the body of a navy lieutenant is found on a destroyer during a tiger cruise.

Gibbs sends Bishop and Quinn to Philadelphia to work with MI-6 Officer Clayton Reeves on the murder case of a British operative. Meanwhile, Quinn deals with the NCIS case that caused her to leave the field.

When a petty officer escapes from her kidnapper, the team finds a connection to her missing husband.

Torres breaks protocol when he identifies a suspect that is wanted by ICE; Abby, McGee, and Bishop try to woo Anthony DiNozzo, Sr. Into subletting his son's apartment.

Bishop questions her previous work at the NSA when she's sent to Gitmo to collect evidence for a Navy chaplain murder case. In the meantime, her brothers visit for Thanksgiving and want to know from her co-workers who she's dating.

The team investigates threats against Congresswoman Jenna Flemming, while Vance oversees temporary protection detail.

Ducky looks back on a choice he made 37 years ago when evidence in the murder of a Navy captain is linked to his dead mother.

The team searches for new leads when an undercover mission to apprehend a businessman who's committing acts of terrorism to manipulate the stock market is compromised.

When Gibbs spots the brother of a Most Wanted suspect, he assumes an old alias and goes undercover with their anti-government militia.

During a hit-and-run investigation, Palmer tries to prevent a stranger from jumping off the ledge of a building.

The team partner with "The Sherlocks" - one of whom is Anthony DiNozzo, Sr. - to investigate the murder of a petty officer outside D.C.

When Abby's homeland security think tank is compromised, the team realizes that a theoretical terror playbook has been stolen.

Bishop is more determined to avenge her boyfriend's murder when the team finds a new lead in the Chen case. In the meantime, Torres teaches his fellow agents the art of pick-pocketing.

McGee's apartment is torn apart by a robber looking for a valuable item hidden by the previous tenant, a convicted criminal.

To honor a sailor's dying wish, the team reopens a murder case that was originally ruled an accidental death.

The team must rely on an irritable Vietnam War veteran to solve a Marine's murder.

McGee and the team race to find the hacker responsible for infecting a vice admiral's laptop with ransomware.

The murder of a Marine is linked to an old dirt bike gang Torres joined while undercover.

The team partners with the Mounted Police to solve a series of murders in a National Park.

The stress of McGee and Delilah's upcoming wedding lands Delilah in the hospital; the NCIS team investigates the mysterious death of a healthy, young petty officer aboard a Navy destroyer.

Gibbs, McGee and Torres travel to a remote area of Paraguay, controlled by a violent group of rebels, in an attempt to locate a missing Navy Seal who disappeared during an unsanctioned trip.

The team continues their search for Gibbs and McGee two months after they went missing fighting rebels in Paraguay; Vance and Torres are summoned to a congressional hearing regarding the fallout from the Paraguay mission.

NCIS investigate the body of a murdered Navy lieutenant, who disappeared over a year ago; Gibbs and McGee must pass a psych evaluation to officially resume working.

When an undercover cop suddenly reappears after faking their death 10 years earlier, chaos ensues.

The NCIS team, including recently transferred Special Agent Jacqueline Sloane, investigating the kidnapping of a sailor during a storm that shuts down Washington DC.

After Reeves sees his friend get kidnapped, the NCIS team discovers the primary suspect disappeared two days ago with confidential military information. Also, a photo from McGee's teenage years becomes a popular meme.

After a petty officer is found murdered, McGee spends hours on the victim's ham radio trying to locate a key witness. Also, Palmer asks co-workers to donate to a charity that builds playgrounds for kids of all abilities.

Gibbs begins his own investigation when a convicted felon swears he was framed; FBI agent Fornell joins the team.

An NCIS person of interest in a bribery and fraud case is found murdered after a runner is led to his body by a strange voice. Also, McGee and Delilah disagree on whether to find out the baby's sex.

Turkey day plans are on hold while tracking international arms dealer Andre Yorka, who recently murdered an MI5 officer who was Sloane's close friend. Also, Abby races Delilah to the hospital when labor for the twins starts 3 weeks early.

Torres and Sloane run protection detail for a U.S. senator in Afghanistan during the holidays and must return to the States when they learn the senator's son is in the ICU.

Torres and Bishop go undercover as a criminal couple for hire during a sting operation.

A Navy Lieutenant JAG lawyer that appeared to have a happy life is found dead by her parents in an apparent suicide. Capt. Bud Roberts helps in the investigation.

After McGee and Torres visit the home of a high schooler who witnessed a hit and run, her parents flee with their daughter, leaving NCIS in the lurch.

When the body of a missing Navy commander is found, Gibbs and his team are ordered to work with former FBI agent Tobias Fornell, the private investigator who was hired to find him.

NCIS makes a deal with Paul Triff to give him a 48-hour furlough at his former residence, now McGee's home, in exchange for information to convict Gabriel Hicks.

The team works to clear the name of a retired Marine sergeant when cyanide is found in one of the packages he sends to active-duty Marines.

Gibbs and Ducky see an antique war stick on television that could be the missing murder weapon to a 16-year-old cold case.

The headquarters are evacuated when the team finds a body and bomb materials on the roof of the squad room.

Gibbs is granted protective custody of a 10-year-old orphaned refugee when a case reveals she is the target of a violent gang.

NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth, a key blind witness who heard vital evidence needed to solve the case.

A daughter begs Gibbs to investigate her mother's murder because she believes the police convicted the wrong man. Abby receives a hard to get reservation at a new restaurant that is cold like an igloo.

When evidence reveals an NCIS team member is a hitman's latest target, the team must search through old case files to determine who is seeking vengeance.

While Gibbs attends the memorial service for a friend who was lost at sea, he discovers that the deceased has been hiding in a fallout shelter after his boat was attacked and he swam to shore.

Sloane is certain she saw the man who tortured her in Afghanistan, leading Vance and Gibbs to fear she'll risk everything to destroy him.

Vance is still missing, and Gibbs is assigned as acting director while the team searches his whereabouts.

A Navy lieutenant's peculiar neighbors are the key suspects in his murder; Torres has a crazy night out with Palmer.

The team investigates an explosion outside the home of a Navy petty officer and a popular reality TV star.

While Gibbs is on a quiet vacation in the woods, he is interrupted by his friends, Fornell and Brooks, and a case near his cabin.

The team works to exonerate a Marine serving a life sentence for murder after the discovery of a 50-year-old tape recording of the victim.

At a Halloween crime scene, Torres recognizes the NCIS victim as a former friend from federal law enforcement training, and Jimmy thinks his lab may be haunted!

The theft of a street artist's mural leads the team to investigate a conspiracy regarding a Navy contractor and the safety of ocean mammals.

McGee and Bishop travel to Afghanistan after a murder case in the states is linked to a string of soldiers killed by friendly fire overseas.

After the lead suspect of an unsolved high-profile burglary case is released from prison, the team resumes their investigation with an undercover stakeout.

The team's holiday plans are put on hold after the murder investigation of a Navy veteran includes the discovery of a newborn baby with no identification.

The Secretary of Defense shuts down Gibbs' murder investigation and demands that McGee and Torres be arrested for their actions in the case.

An old family friend beseeches Gibbs to join him on a road trip to search for a missing military I.D. bracelet.

After a malnourished and confused 9-year-old is found hiding in a storage unit, the team reopens an old missing persons case that Special Agent Ziva David had a personal interest in.

McGee reluctantly visits his former high school after the unique computer password he used as a teenager is linked to the murder of a department of defense contractor.

The team investigate a fatal man overboard case at sea; Torres is assigned to mentor three high school students.

Jimmy is torn between family and work after his father-in-law asks him to tamper with evidence from the team's current murder investigation.

Vance is notified by the Pentagon that the nuclear submarine Gibbs and Bishop are aboard to conduct a murder investigation has gone radio silent.

After Torres wakes up on a dilapidated fishing boat covered in blood, the team helps him piece together the last 12 hours.

The team searches for an active shooter following a lockdown at a naval hospital.

The team investigates the murder of a Marine Major believed to have been killed in the 9/11 attack on the Pentagon after human remains are discovered at a construction site.

Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free; McGee visits an elite technology company that is offering him a highly paid position.

After the team finds a secret government bank account that's funding a nationwide network of vigilante justice, they must determine who is acting as judge and jury.

The team investigates the murder of Marine Gunnery Sergeant Richard Wilson who was hailed as a war hero for his efforts overseas; Gibbs turns to Dr. Confalone for advice after uncharacteristically abandoning the team at a crime scene.

Fornell pleads with Gibbs to do whatever is necessary to take down drug dealers in the area after his daughter is hospitalized from a drug overdose; Gibbs is haunted by aspects of the case.

Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead, and what led to her return.

With their lives in danger, Gibbs and Ziva's rogue investigation takes an unexpected turn when a possible terrorist plot is revealed.

After a body is found hidden under an 18-wheeler delivering to the Navy yard, the team tracks the vehicle's previous locations to pinpoint the crime scene and suspect; Sloane encourages the team to talk about Ziva's recent reappearance.

The team links a bizarre crime scene at Arlington National Cemetery to a string of attacks on homeless veterans; Vance orders McGee, Bishop and Torres to complete hours of evidence garage cleanup duty for withholding information.

The team investigates a Marine Corporal after she finds a gun in her house. The gun is linked to a murder, but the Marine had no connection with the victim and was fast asleep when the crime was committed.

When a Petty Officer's son is found murdered at his welcome home from prison party, evidence suggests that Kasie's lifelong best friend, Dante Brown, is the suspect.

While investigating a Marine's murder, the NCIS team uncovers a network of live-streaming hidden spy cameras in the rooms of a Virginia motel.

The NCIS team investigates the murder of a musician in the Navy's most elite band, which performs at diplomatic events around the world. Gibbs gives McGee the lead when he unexpectedly takes some leave time.

The team investigates a petty officer's murder that was live-streamed on a popular gaming app. Also, Gibbs is asked to look after his 9-year-old neighbor, Phineas, when his mom must leave on a last-minute trip.

Gibbs and the team help Ziva with the "one thing" she said she'd take care of before returning to her family.

Gibbs must face the consequences of helping Ziva with "the one thing" she said she'd take care of before returning to her family.

The NCIS team investigates an F-18 crash and subsequent disappearance of the pilot; McGee reluctantly discusses a very personal decision with his teammates

After a body is found at an unmanned aerial vehicle testing site, the NCIS team must determine if the death was murder or an accident. Also, Palmer carefully interviews medical examiner assistant candidates.

After Torres and Bishop are victims of a hit-and-run, Torres fights for his life in the ICU.

The lead suspect in an NCIS murder investigation is a woman Gibbs' friend, Phillip Brooks (Don Lake), met on a dating site. Also, Sloane has a secret admirer on Valentine's Day.

While investigating the suicide of a retired Navy officer who left a rare, valuable - and possibly stolen - coin to the National Museum of the Navy, the team imagines themselves in his life story in order to piece together how the coin ended up in his possession.

The NCIS team investigates the death of a Navy Petty Officer murdered the same way as his parents a decade ago. They stumble across a storage container filled with dollhouses that display recreations of murder scenes. Also, the team agrees to clean out their living spaces, but some have a harder time saying goodbye to their possessions than others.

The team searches for answers when the body of a well-regarded Navy technician in the Reserves is found floating in a lake where a popular community event is being held. Also, Sloane is caught off-guard when her daughter, Faith (Kate Hamilton), makes an unexpected request.

Three gun thugs fleeing a failed robbery enter the diner where Palmer and Kasie are eating. A hostage situation ensues.

While investigating an off-base burglary at an Admiral's residence, NCIS becomes involved in a case of an older man that claims to be a Pearl Harbor survivor. He wishes to have his remains buried on the USS Arizona.

Gibbs and Fornell attempt to track down the leader of a drug ring who supplied drugs to Fornell's daughter; the team deals with the case of a missing cadaver from the NCIS autopsy room.

In 1980 Gibbs and Ducky became involved in their first case together. Now it has come back to haunt them.

The discovery of two dead bodies leads the team into the world of modern day treasure hunting as Gibbs and Fornell get deeper into their search for the drug kingpin.

McGee and his wife Delilah's Bahamian vacation turns into a high-stakes mission when a case NCIS is tracking of a dead escape room manager has ties to the island. Also, Gibbs fears the worst when his search for Fornell leads to blood.

Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax. Also, Gibbs and Vance finally let the team in on a case that has dangerous implications.

Following a tip about smuggled weapons, Bishop and Torres have a shoot out and find themselves locked in cells in the suspects house.

NCIS investigates the murder of a Navy officer who was killed while driving home a recently released inmate. Also, Gibbs helps Palmer deal with personal trauma.

When Sloane's name is discovered in Afghanistan at the site of an abandoned bus with a dead driver, Gibbs accompanies her on a trip to find a group of girls who were kidnapped from the bus. Also, McGee, Bishop and Torres track down a hacker who emailed compromising information to the Taliban.

NCIS dives into the competitive world of food trucks after finding a man frozen to death in the back of one.

NCIS is called in when missile falls off the back of a transport vehicle, which leads them to multiple dog murders. One of the team takes unexpected action when a suspect is found.

Vance assigns McGee, Torres and Bishop to COVID compliance duty at a foreign affairs summit, where they discover a link to another NCIS team's murder case.

Evidence from the stabbing of a Marine Sergeant is a familial DNA match to Torres, bringing up questions about his family history.

The team investigates when a cyclist is killed in a hit and run. Gibbs prepares to testify against a financial advisor who stole millions from his Navy clients.

NCIS tracks a stolen laptop to the uncle of a young boy, Phineas, Gibbs' former neighbor.

When members of an NCIS Regional Enforcement Action Capabilities Training Team (REACT) are killed during an explosion, NCIS Special Agent Jessica Knight, the lone surviving member, joins the team to find out what happened.

While pursuing a dangerous arms dealer, the team is shocked when Bishop shows new impressive abilities. Gibbs and Marcie suspect that the killer they've been tracking may be onto them.

The NCIS team searches for Gibbs after the wreckage from his boat is discovered. The investigation reveals his work on the serial killer case with Marcie. Torres looks for answers after Bishop's departure.

While trying to find the serial killer Gibbs was after, the NCIS team discovers another person has been tracking the case as well.

Gibbs and Parker go on a road trip to find one of the serial killer's victims. Also, Agent Knight goes undercover at a large manufacturing company with ties to the murders.

The path leads to Alaska, where Gibbs and McGee go on a very long road trip. It's still all about getting information on the serial killer, Paul Lemere.

The NCIS team investigates the death of a Navy Commander found in a shallow grave.

NCIS investigates the death of a beloved Navy commander who trained some of the top athletes in the country.

NCIS investigates the death of a man on a cruise ship whose body is discovered in the ship's sauna.

NCIS investigates the case of a Navy reservist whose body is found in a target car on a shooting range.

When a hotshot financial advisor is found shot at a naval station, NCIS investigates the case by interviewing the victim's three-dimensional hologram of herself, which she created before her death.

NCIS is called in when Navy Chief Warrant Officer Rafi Nazar is suspected of trying to sell stolen classified Navy software used to pilot surveillance drones.

After a civilian research vessel in the North Atlantic picks up a small boat of wounded Navy officers, NCIS arrives on the ship and is forced to hide after discovering terrorists on board.

When the body of a Navy lieutenant is discovered missing an eye, the NCIS investigation leads to the world of cage fighting.

Investigating the death of an intruder at Quantico, Jimmy and Kasie are exposed to a deadly bio-toxin. The NCIS team calls on Doctor Carol Wilson for help as they race to find the antidote. Torres tries to distract Jimmy's daughter, who came to spend the day with her dad.

As NCIS investigates the cause of death of a reservist Navy Seal surgeon, they're forced to bring Vance's daughter, Kayla, who recently trained with NCIS, to help with a highly dangerous mission.

Parker's delinquent past resurfaces when NCIS is called to Philadelphia to investigate the death of a Navy petty officer.

A gruesome mishap at a Navy petty officer's gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

NCIS investigates the apparent suicide of a retired Navy officer who was in Palmer and Knight's grief group. Torres gets a call from Tennant to come to Hawaii when she gets a lead on a witness from a case they worked on together.

When an infamous arms dealer, Reymundo Diaz, is released from prison and bodies start piling up, Torres is forced to face the repercussions of his actions during an undercover operation he worked on years ago.

NCIS investigates a ring of clever teenage partygoers when a string of break-ins takes place at Marine Base Quantico. While working the case, Special Agent McGee forms a bond with one of the teens, Teagan Fields.

The NCIS team investigates the unexpected death of a Navy reservist who was working on a Deputy Attorney General's investigation. Also, Knight and Jimmy's budding romance is put on hold when a vital liver transfer goes fatally wrong.

The team investigate a kidnapping that has a personal connection for one of them, and stirs up painful memories from the past.

Alden Parker is still on the run with his ex-wife Vivian, now the team is investigating on who might have a personal vendetta against him in hopes of clearing Parker's name.

McGee's personal life and professional life intersect when a dad from his children's school is linked to a break-in at a government storage bunker.

When a dead body is found at an ancient burial site that is thought to be cursed, the team tries to determine the motive and the symbolism behind the crime. As Torres continues therapy with Dr. Grace, he discovers that their lives are in danger.

Agent Knight's past resurfaces when her ex-boyfriend, a National Parks Service agent, teams up with NCIS to investigate a campsite murder.

Agent Parker steps up to protect Director Vance after a terrifying home invasion. The team detects advancements in Jessica and Jimmy's blossoming romance.

While investigating the death of a fellow NCIS agent who was cat-sitting for a friend the team realizes that one of their own has been secretly investigating them to locate a possible mole.

NCIS should investigate the Secretary of the Navy when her husband starts accusing her of trying to murder him.

An unknown shooter causes chaos at an annual Thanksgiving 5K, time is of the essence for the NCIS team to find the culprit. Kasie joins Knight for Thanksgiving lunch at Knight's sister's house.

The team investigate the death of a college student who was hit by a truck, after inexplicably stripping in the street before running into the road.

The entire NCISverse who are in Washington D.C. to celebrate the retirement of their former professor. However, their worlds intertwine when the NCIS agents are forced to investigate the same professor's suicide.

Parker discovers he's a victim of identity theft while investigating the unusual murder of a Navy ensign. Knight and Jimmy face hurdles in their relationship as their connection heightens.

When an old pal of Torres' comes to him - disheveled and bloodied - for guidance amid a undercover FBI operation and then disappears, NCIS helps track him down. McGee prepares to be a contestant on a popular game show.

In preparation for a role, a world-renowned actress shadows the NCIS team as they investigate a decapitation case.

Parker grapples with his emotions when a con man from his past turns up as a murder suspect.

NCIS investigates the death of a ride-share driver who was found after a car accident. Parker's dad, who is temporarily living with him, assists the team in their investigation.

The NCIS team starts to investigate on who is responsible for a potential bio terror attack at a strip mall parking garage.

When a marine is killed, the team investigate. They learn the man worked at a Center that helps Afghan immigrants. They go there and learn the man had a heated discussion with an Afghan. They learn the marine worked with his father when he was stationed there and he tried to get his family out but his parents were killed by the Taliban. They think he blamed him for their deaths. They try to talk to him but he runs. They learn he has bomb making materials. They eventually apprehend him and he tells them the marine was trying to help because someone was forcing him to make the bomb only he doesn't know. So they need to find out who and what they want the bomb for. Palmer is concerned about his daughter going on a date.

The NCIS team digs deep to investigate a Navy lieutenant who's accused of trying to murder her husband, but has no memory of the attack; Kasie navigates a potential medical scare.

Agent Knight saves a mother and child from a potentially fatal car accident and she is now viral for this reason.

NCIS works to solve the murder of a senator's daughter who has a rebellious reputation and large online following: Jimmy gets competitive with an old college rival.

When a suspicious murder occurs in the classified section of the National Archive, NCIS must investigate a string of Russian spy encounters that may be linked to the crime.

Torres finds himself in prison as the team tries to stop an impending terror attack on U.S. soil.

When an infamous arms dealer, Reymundo Diaz, is released from prison and bodies start piling up, Torres is forced to face the repercussions of his actions during an undercover operation he worked on years ago.

When an old pal of Torres' comes to him - disheveled and bloodied - for guidance amid a undercover FBI operation and then disappears, NCIS helps track him down. McGee prepares to be a contestant on a popular game show.

Evidence from the stabbing of a Marine Sergeant is a familial DNA match to Torres, bringing up questions about his family history.

Torres finds himself in prison as the team tries to stop an impending terror attack on U.S. soil.

When a dead body is found at an ancient burial site that is thought to be cursed, the team tries to determine the motive and the symbolism behind the crime. As Torres continues therapy with Dr. Grace, he discovers that their lives are in danger.

To honor a sailor's dying wish, the team reopens a murder case that was originally ruled an accidental death.

When the body of a Navy lieutenant is discovered missing an eye, the NCIS investigation leads to the world of cage fighting.

After Torres wakes up on a dilapidated fishing boat covered in blood, the team helps him piece together the last 12 hours.

NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth, a key blind witness who heard vital evidence needed to solve the case.

When a marine is killed, the team investigate. They learn the man worked at a Center that helps Afghan immigrants. They go there and learn the man had a heated discussion with an Afghan. They learn the marine worked with his father when he was stationed there and he tried to get his family out but his parents were killed by the Taliban. They think he blamed him for their deaths. They try to talk to him but he runs. They learn he has bomb making materials. They eventually apprehend him and he tells them the marine was trying to help because someone was forcing him to make the bomb only he doesn't know. So they need to find out who and what they want the bomb for. Palmer is concerned about his daughter going on a date.