As Callen continues hunting Katya, Kilbride enlists NCIS to help find a truckload of stolen guns; the assignment becomes more challenging when their suspect is found dead.

When an NCIS mission to protect a compromised undercover agent goes completely sideways, the agents are individually interrogated to find out what really happened; Kilbride must make a difficult decision.

The admiral orders Mac to see a Navy psychiatrist for post-traumatic stress syndrome following her ordeal at the hands of Sadik.

After a reshuffling of assignments, Pride returns to the New Orleans office during the investigation of a missing petty officer.

At 29 years old, Lisa Mitchell and her common-law husband, Allan, had two children and she juggled two jobs to try to make ends meet and then one day, she disappeared, leaving her common-law husband and two children behind.

Andy faces the possibility that her father may have murdered someone during a drunken blackout; Chris and Dov's squad car is robbed.

Andy questions her future with the force after the suspicious death of a young girl; the rookies find out if they have passed their evaluations.

The case of a murdered sailor, $100 million in gold bullion and a ghost ship in the Great Lakes Triangle tests feuding Fraser and Kowalski.

Fraser gets temporary custody of a 12-year-old purse snatcher who is connected to the armed robbery he and Ray are investigating.

The discovery of a burned body sends police on the hunt for camera footage that may show the crime.

In Danville, Ky., a pawn store robbery leaves three people dead; detectives seek to identify the suspect, and their only lead is a mysterious silver van; using a trail of videos to pursue the elusive vehicle is their only hope of catching a killer.

A jewelry heist ends in murder; Delko returns to find the culprit when evidence is stolen from the lab.

McGarrett helps his mother with a covert op in hope of retrieving an incriminating microfiche; Kono runs into danger as she closes in on Adam's secret.

Kono is blamed for a murder she did not commit; McGarrett's visit to Wo Fat leads to a shocking discovery.

Inclement weather keeps DiNozzo, Bishop and her husband at the Dulles airport, where they end up working a case involving an elevated terrorist threat.

When the city's internet is shut down three weeks before Christmas, the team consults with three imprisoned cyberterrorists.

Magnum starts following Higgins to discover what she's been hiding, as she's secretly assigned to infiltrate a group threatening to take down MI-6; Rick struggles after an explosion takes the life of someone important to him.

A jewelry heist ends in murder; Delko returns to find the culprit when evidence is stolen from the lab.

The gang celebrates Coates' promotion at a Chinese restaurant, where fortune cookies cause all to fantasize about what their lives would be like if they had made different choices.

The NCIS team investigates the murder of Patton's friend, a former Navy SEAL gunned down in a drive-by shooting while Patton watched.

McGarrett helps his mother with a covert op in hope of retrieving an incriminating microfiche; Kono runs into danger as she closes in on Adam's secret.

Kono is blamed for a murder she did not commit; McGarrett's visit to Wo Fat leads to a shocking discovery.

Ducky goes under cover to stop the illegal sale of the Navy's top-secret weapons system to a high-priority arms dealer (Armand Assante).

The NCIS team must track down a wanted terrorist (Enzo Cilenti) who has obtained a missing chemical weapon before he carries out his plan to attack major U.S. cities.

Sam negotiates and Rountree goes under cover, when a man takes a busload of hostages and threatens to blow it up unless his daughter's war crimes are posthumously cleared.

NCIS investigates the apparent suicide of a Navy intelligence officer who leapt to his death after taking LSD; while Kensi is away, Deeks makes plans to redo the backyard without her input.

The gang celebrates Coates' promotion at a Chinese restaurant, where fortune cookies cause all to fantasize about what their lives would be like if they had made different choices.

The NCIS team investigates the murder of Patton's friend, a former Navy SEAL gunned down in a drive-by shooting while Patton watched.

Teenage sisters Marsha and Tamara Ottey were stabbed to death in August 1995; months later, Dimitrija Trajceski became the first TTC worker killed on the job; Caryn Lieberman shares the story of how these two families' lives became intertwined.

An untimely arrest compromises a major drug bust; Andy goes under cover with Swarek; Dov must choose between his girlfriend and his career.

Andy butts heads with Division 15's new detective when they both investigate a shooting at a concert.

Fraser and Ray investigate an insurance scam involving professional boxing while a wolf cruises Chicago looking for a good time.

Fraser offers to help a former Mountie who is on the run when a serial killer he put away escapes from prison.

In Danville, Ky., a pawn store robbery leaves three people dead; detectives seek to identify the suspect, and their only lead is a mysterious silver van; using a trail of videos to pursue the elusive vehicle is their only hope of catching a killer.

In Calgary, Alberta, Ryan Lane receives a late-night phone call and goes out to meet a mystery caller and is never heard from again; Calgary Police Service turn to surveillance video to locate Ryan and find evidence of a shocking betrayal.

The CIA recruits Mac to pose as an agent's pregnant wife and help bring down a drug lord selling weapons to terrorists.

Following McGarrett and Wo Fat's escape, gunmen hit Five-0 headquarters; McGarrett must turn on his own in order to find Catherine.

As the Five-0 team members investigate a murder, they are led to a Texas ranger (Tim Daly) who came to Hawaii to look for his daughter; Adam and Kono fight to stay alive.

The team investigates a series of crime scenes that appear to be copycats of previous cases; two of Gibbs' ex-wives show up at a crime scene.

A rescue mission in Syria reveals evidence that indicates an American was involved in a social worker's capture; DiNozzo's strange behavior is questioned.

A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia to reveal a family secret to Magnum and Katsumoto.

The CIA recruits Mac to pose as an agent's pregnant wife and help bring down a drug lord selling weapons to terrorists.

An angry judge orders Mac to escort a female prisoner to California.

A Navy lieutenant from a well-connected and affluent family has a fatal fall down a flight of stairs at a charity gala; the team investigates whether his death was an accident or foul play.

Following McGarrett and Wo Fat's escape, gunmen hit Five-0 headquarters; McGarrett must turn on his own in order to find Catherine.

As the Five-0 team members investigate a murder, they are led to a Texas ranger (Tim Daly) who came to Hawaii to look for his daughter; Adam and Kono fight to stay alive.

When a young sailor's body is found in an abandoned building in a seedy part of town, an ominous message written in blood leads the team to switch gears to find the killer.

The NCIS team suspects foul play when a Navy lieutenant is the victim of radiation poisoning; Tony sees a softer side of Ziva.

The NCIS team scrambles to find Kensi after she is attacked and kidnapped by a mysterious militia group while helping a group of migrants cross the border.

The NCIS team helps a U.S. ambassador search for her missing daughter; agent Aliyah De León returns to support the team with the case.

An angry judge orders Mac to escort a female prisoner to California.

A Navy lieutenant from a well-connected and affluent family has a fatal fall down a flight of stairs at a charity gala; the team investigates whether his death was an accident or foul play.

Kimberlee hasn't been heard from since 2016; her partner says she left and abandoned the family and her parents accuse him of murder; Rumina Daya investigates this unsolved case that's testing the limits of international justice.

Andy and Gail go under cover at a drug-riddled club; Traci struggles with her feelings for detective Barber; a woman files a complaint against Dov; Andy opens up to Sam.

Andy and Swarek investigate the theft of severed heads for a medical lab; Andy puts Luke and herself in danger.

The trail of bad meat that sickened a child leads Fraser and Ray to horse auctions; guests Kaye Ballard, Richard Moll.

Fraser and Ray go under cover to expose a crooked auto dealership selling - then stealing and recycling - used cars.

In Calgary, Alberta, Ryan Lane receives a late-night phone call and goes out to meet a mystery caller and is never heard from again; Calgary Police Service turn to surveillance video to locate Ryan and find evidence of a shocking betrayal.

In Tulsa, Okla., Amanda Douglas and Jennifer Sudar Sanders enjoy an evening out at a casino; the next morning, the two are shot outside their apartment complex; investigators soon learn that the shooter was driving a distinctive gold Pontiac.

Worried about Mac's well-being, Harm tries to discover what she has become involved in; Mac's cover gets blown in Paraguay.

When a missing artifact seems to be the key to solving a double murder, a conspiracy theorist (Jorge Garcia) helps the team.

A seemingly harmless surveillance job turns deadly; in hope of saving Kono, Adam considers making a sacrifice.

An openly gay Navy lieutenant set to receive the Medal of Honor is murdered; Palmer gets ready for fatherhood.

A murdered Marine and alumnus of the military academy DiNozzo attended is found with a student's photograph in his hand; Bishop and her husband ask Gibbs and the team to dinner.

When a woman hires Magnum and Higgins to locate a man she met briefly at a coffee shop and felt a spark with, they learn that he is hiding a big secret; Higgins keeps a secret of her own after she has a romantic dream about Magnum.

Worried about Mac's well-being, Harm tries to discover what she has become involved in; Mac's cover gets blown in Paraguay.

Harm and Mac square off in the courtroom when a general is accused of making racist remarks about Islam during a church sermon.

When Elvis Bertrand's "daughter" is linked to a murder case, he asks Pride to prove her innocence.

When a missing artifact seems to be the key to solving a double murder, a conspiracy theorist (Jorge Garcia) helps the team.

A seemingly harmless surveillance job turns deadly; in hope of saving Kono, Adam considers making a sacrifice.

When an explosion at a military cemetery's mausoleum reveals a cache of dismembered human remains, the team searches for a potential serial killer.

With a young Marine on life support, the team tracks his movements in the days leading up to his being left for dead.

When a civilian scientist working with the marines is killed and her advanced radar technology stolen, the team must scramble to find the missing technology and the culprit.

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; Nate meets with Adm; Kilbride and learns about the CIA project from the '70s and '80s involving children.

Harm and Mac square off in the courtroom when a general is accused of making racist remarks about Islam during a church sermon.

When Elvis Bertrand's "daughter" is linked to a murder case, he asks Pride to prove her innocence.

An accomplished dancer, an aspiring urban planner, two talented musicians, and a young man who was well on his way to becoming a humanitarian became victims of the biggest mass killing in Calgary's history.

As the cops try to recover from an explosive event, they must also investigate a series of arsons; a man from Chris' past emerges.

Chris and Dovare are trapped in a dangerous meth house during a sting operation; Luke helps Jo with a surveillance job in a hotel room.

Fraser and Ray (Paul Gross, David Marciano) help a restaurant owner whose son has been kidnapped by the Chinese mob.

A mob killer tries to retrieve a matchbook's information; Fraser must chaperon a Canadian diplomat's wild daughter.

In Tulsa, Okla., Amanda Douglas and Jennifer Sudar Sanders enjoy an evening out at a casino; the next morning, the two are shot outside their apartment complex; investigators soon learn that the shooter was driving a distinctive gold Pontiac.

In Buena Park, Calif., a suitcase containing the body of a young woman is discovered in a dumpster; the victim is identified as model Jasmine Fiore, 28, who has been reported missing by her reality TV star husband.

Going against orders, Harm quits JAG and journeys to Paraguay to try to rescue Mac and CIA Agent Webb.

A 14-year-old girl falls ill with a mysterious set of symptoms and is taken to one of Boston's top hospitals; the events that follow leave her family in disbelief and lead a hacker from the group Anonymous to take matters into his own hands.

Anonymous targets Boston Children's Hospital and disrupts its computer network in defense of Justina Pelletier; shortly after, Justina returns home to her family after more than a year in DCF custody; Marty and Dana go on the run.

The Pelletiers hire an attorney and file a civil lawsuit against Boston Children's Hospital claiming medical malpractice; Marty is rescued at sea, arrested and charged with a federal crime; both the family and Marty get to have their day in court.

The verdict of the civil case against Boston Children's Hospital is revealed, and Justina continues to navigate a rocky path to health; Dana does her best to support Marty from the outside after he goes to an extreme prison.

Going against orders, Harm quits JAG and journeys to Paraguay to try to rescue Mac and CIA Agent Webb.

Harm steps in to help a grieving mother (Susan Walters) of a Marine killed in Iraq when he learns that reporters are hounding her.

Gibbs and his team investigate the unusual case of an unpopular Navy commander who, after successful open-heart surgery, apparently burst into flames.

A 14-year-old girl falls ill with a mysterious set of symptoms and is taken to one of Boston's top hospitals; the events that follow leave her family in disbelief and lead a hacker from the group Anonymous to take matters into his own hands.

Anonymous targets Boston Children's Hospital and disrupts its computer network in defense of Justina Pelletier; shortly after, Justina returns home to her family after more than a year in DCF custody; Marty and Dana go on the run.

An in-depth examination of some of the most stunning and emotional courtroom moments caught on camera. Dan Abrams observes on the surveillance camera to catch a glimpse of a series of events in the courtroom. The show also describes the suspects' criminal charge and sentencing, depending whether the defendant is either innocent or guilty. Each episode includes interviews with judges, witnesses, and victims who give a first-hand account of what really happened during these intense courtroom moments.

The verdict of the civil case against Boston Children's Hospital is revealed, and Justina continues to navigate a rocky path to health; Dana does her best to support Marty from the outside after he goes to an extreme prison.

A 14-year-old girl falls ill with a mysterious set of symptoms and is taken to one of Boston's top hospitals; the events that follow leave her family in disbelief and lead a hacker from the group Anonymous to take matters into his own hands.

An in-depth examination of some of the most stunning and emotional courtroom moments caught on camera. Dan Abrams observes on the surveillance camera to catch a glimpse of a series of events in the courtroom. The show also describes the suspects' criminal charge and sentencing, depending whether the defendant is either innocent or guilty. Each episode includes interviews with judges, witnesses, and victims who give a first-hand account of what really happened during these intense courtroom moments.

What started out as a party to mark the end of classes at the University of Calgary ended in a horrific tragedy; to add to the complexity of the case, investigators quickly learned the suspect was the son of one of their own.

A notorious gang appears to be involved in the murder of a police informant; Detective Rosati reveals something that puts Andy's relationship with Luke in danger.

Andy worries her personal problems are affecting her professionally when a woman is brutally attacked on her watch; Luke's erratic behavior leads to him being kicked off a case.

Ray manages to get his hands on the matchbook that could bring the city of Chicago crumbling down, while Fraser continues chaperoning the ambassador's wild daughter.

Ray and Fraser search for the parents of an infant left in their car and discover the baby was headed for a black-market adoption.

In Buena Park, Calif., a suitcase containing the body of a young woman is discovered in a dumpster; the victim is identified as model Jasmine Fiore, 28, who has been reported missing by her reality TV star husband.

Roommates prepare to say goodbye, but they don't know it will be forever.

A severely tortured Webb teams up with Harm and Mac in Paraguay in order to find Sadik; Mac goes undercover to meet the secretary of a local CIA contact that has been leaking information to Sadik.

A jealous man takes matters into his own hands when his ex-girlfriend moves on from their relationship, killing her and dismembering her body.

When James Barry breaks up with his girlfriend Melanie Eam in 2016, she retaliates by snatching his life away.

A woman orchestrates a gruesome murder-for-hire plot when she becomes jealous of another woman's relationship with her ex.

A violent confrontation over an alleged inappropriate comment leads to one man's death in Tampa, Florida.

Shammy asks Magnum and Higgins to locate his missing friend, a homeless veteran; T.C. tries to get Cade to return to school but quickly learns it's not that simple.

A severely tortured Webb teams up with Harm and Mac in Paraguay in order to find Sadik; Mac goes undercover to meet the secretary of a local CIA contact that has been leaking information to Sadik.

Harm and Mac are asked to investigate after Navy SEALs confiscate a shipment of heroin from a Pakistani freighter and a kilo comes up missing.

Tony goes under cover as an escaped prisoner chained to a convict who holds the key to recovering stolen Iraqi art, but when his GPS device fails, the team must find other ways to locate him.

A jealous man takes matters into his own hands when his ex-girlfriend moves on from their relationship, killing her and dismembering her body.

When James Barry breaks up with his girlfriend Melanie Eam in 2016, she retaliates by snatching his life away.

A woman orchestrates a gruesome murder-for-hire plot when she becomes jealous of another woman's relationship with her ex.

A violent confrontation over an alleged inappropriate comment leads to one man's death in Tampa, Florida.

A jealous man takes matters into his own hands when his ex-girlfriend moves on from their relationship, killing her and dismembering her body.

When James Barry breaks up with his girlfriend Melanie Eam in 2016, she retaliates by snatching his life away.

A woman orchestrates a gruesome murder-for-hire plot when she becomes jealous of another woman's relationship with her ex.

A violent confrontation over an alleged inappropriate comment leads to one man's death in Tampa, Florida.

In 1981, Kelly Cook took a job to babysit for someone named Bill Christensen; the 15-year old girl was never seen alive again; featuring an exclusive interview with the original target of Bill Christensen.

Division 15 is placed under quarantine when a man collapses from a mysterious illness; Dov's date with an attractive bomb technician ends unexpectedly.

Gail and Dov work with Swarerk as they try to protect an informant from a dangerous gang; Chris and Andy participate in competitive equine training.

When three Santas rob a bank, the only witness who saw one of the suspects unmasked refuses to cooperate.

Ray falls for a woman who saves his life and keeps mysteriously appearing during his investigation of a hit-and-run.

Roommates prepare to say goodbye, but they don't know it will be forever.

In Tacoma, Wash., businessman Larry Howse is killed in the parking garage of his apartment building; detectives turn to a security camera, which reveals the unfolding of an execution by two mystery assailants.

Mac is assigned to defend a female petty officer who has been found living in Iraq as the wife of a Bedouin sheik; Harm's resignation papers are processed.

When a wedding crasher is murdered, a runaway bride is the prime suspect; Danny makes a decision about his relationship with Gabby.

When a zombielike man is shot, the team members are led to a madman who is performing experiments on humans.

When an explosion rocks a summit on global terror, the team suspects Gibbs' archenemy is responsible; Gibbs tries to help Fornell after his wife's murder.

A murder victim turns out to have been living under an alias created for one of Gibbs' undercover cases from 20 years ago.

When Hawaii Supreme Court nominee Judge Rachel Park is being blackmailed, she hires Magnum and Higgins who go to extraordinary lengths to help her out; Rick suggests changes to make La Mariana more profitable.

Mac is assigned to defend a female petty officer who has been found living in Iraq as the wife of a Bedouin sheik; Harm's resignation papers are processed.

Harm suffers a personal loss, and Mac hears devastating health news; Bud's career reaches new heights; the admiral makes a life-altering change.

Tammy is convinced that a con man committed the hit-and-run murder of a Navy doctor, even though the evidence shows otherwise; unbeknownst to Hannah, her husband approaches Pride with new intel on an underground spy network.

When a wedding crasher is murdered, a runaway bride is the prime suspect; Danny makes a decision about his relationship with Gabby.

When a zombielike man is shot, the team members are led to a madman who is performing experiments on humans.

Cassidy (Jessica Steen) blames herself when the team learns that a tip on terrorist activity was a trap that resulted in the deaths of two agents.

When a petty officer on whom McGee based a character for his latest book is murdered, McGee must figure out who could have accessed his secret manuscript.

The NCIS team investigates an unidentified aircraft that flies into U.S. airspace and crashes into a Navy plane; Deeks and Kensi begin to prepare for their foster inspection.

When agent Lance Hamilton's partner is killed, Sam dons his previous undercover persona of "Switch" to find the culprit; Kensi, Deeks, Roundtree and Kilbride work to catch an aerospace engineer who stole classified Navy schematics.

Harm suffers a personal loss, and Mac hears devastating health news; Bud's career reaches new heights; the admiral makes a life-altering change.

Tammy is convinced that a con man committed the hit-and-run murder of a Navy doctor, even though the evidence shows otherwise; unbeknownst to Hannah, her husband approaches Pride with new intel on an underground spy network.

New leads in the 10 year old case of a 42-year-old nurse brutally murdered in her home; her family questions why it is taking so long to make an arrest.

Andy and Swarek come across a car accident while pursuing a child and his kidnapper; Chris fights with Dov over an indiscretion; Andy worries life is passing her by.

An undercover training exercise challenges Andy, Dov and Traci; Gail and Chris find a tied-up teenager at a graveyard.

Fraser goes under cover in a mental institution to investigate a series of strange happenings among the patients.

Fraser and Ray (Paul Gross, David Marciano) teach a group of senior citizens to defend themselves against a mugger.

In Tacoma, Wash., businessman Larry Howse is killed in the parking garage of his apartment building; detectives turn to a security camera, which reveals the unfolding of an execution by two mystery assailants.

Hawaiian getaway turns into a nightmare when 28-year-old Ivanice Harris vanishes into thin air; Detectives trace Ivanice's movements to a Waikiki hotel, covered in surveillance cameras.

Harm goes under cover to prevent a terrorist from overthrowing the Philippine government; Bud's brother, Mikey, faces a tough choice when a fellow cadet is accused of cheating.

When Mary gets sick, McGarrett and the team must watch her newly adopted baby while they investigate the murder of an undercover ATF agent.

The governor asks McGarrett and Grover to serve a warrant to a young computer hacker (Nick Jonas) in order to protect national security.

The team investigates the world of black market art when evidence in a murder case reveals that a rare painting has been swapped for a fake.

When a dead thief is found in a Marine's home, the NCIS team finds the calling card of a terror group the Department of Defense had been tracking.

A bail bondsman hires Magnum and Higgins to track down a woman who skipped out on her $250,000 bond; T.C. and Katsumoto team up on an emotional search for Cade's mother.

Harm goes under cover to prevent a terrorist from overthrowing the Philippine government; Bud's brother, Mikey, faces a tough choice when a fellow cadet is accused of cheating.

A former British operative (Ed Quinn) tells Mac there is a hit man looking for anyone associated with Webb, and the two seek Harm's help in catching the assassin and unraveling the mystery.

The NCIS team investigates a deadly bombing at a military museum event with over 1,000 people in attendance.

When Mary gets sick, McGarrett and the team must watch her newly adopted baby while they investigate the murder of an undercover ATF agent.

The governor asks McGarrett and Grover to serve a warrant to a young computer hacker (Nick Jonas) in order to protect national security.

Gibbs and the team must take action after the director's risky solo meeting with an informant ends with a death.

The team turns to a blind photographer (John Billingsley) to use his heightened senses of hearing and smell to re-create a crime scene and track down a petty officer's killer.

NCIS investigates the robbery of a high-end arts storage facility by going under cover as potential buyers on the black market to find who is behind the stolen items.

Rountree and his younger sister are pulled over by police and treated harshly in a clear case of racial profiling; NCIS investigates the death of a Navy photographer who was assigned to document the building of a new weapons station.

A former British operative (Ed Quinn) tells Mac there is a hit man looking for anyone associated with Webb, and the two seek Harm's help in catching the assassin and unraveling the mystery.

The NCIS team investigates a deadly bombing at a military museum event with over 1,000 people in attendance.

It was October 1984 in a small town outside Toronto; a young girl went missing; three months later, Christine Jessop's body was found more than 50 kilometers away from her Queensville home.

A vigilante steals Gail's uniform from her car; a drug deal gone wrong provides clues to Chris and Dov; Andy and Sam's inability to stay away from each other endangers Swarek.

Andy tries to uncover what happened to Swarek - who is being held captive by a gangster; events triggered by the investigation incriminate one of the rookies' own.

Ray reluctantly helps Fraser deliver an accused felon to Canadian authorities while ruthless thugs try to kill the criminal.

Diefenbaker, impounded after straying from the apartment, sniffs up dog poaching and defends a husky.

Hawaiian getaway turns into a nightmare when 28-year-old Ivanice Harris vanishes into thin air; Detectives trace Ivanice's movements to a Waikiki hotel, covered in surveillance cameras.

After a frantic welfare call, police find 79-year-old Avanell Cowgill murdered in her home; with no clues except for a trail of strange credit card transactions, investigators hope surveillance video will give them what they need to reveal a killer.

The Doyles help Jake's high-school girlfriend; Rose's past comes back to haunt her; Leslie weighs whether or not she wants Jake in her future.

A secret service agent is murdered while the president is traveling to Oahu; as Thanksgiving approaches, McGarrett's Aunt Deb (Carol Burnett) visits and shares a stunning secret.

An attempted murder leads the team to investigate a deadly crime committed in Hawaii during World War II.

A petty officer's murder results in a lead in a 40-year-old airport bombing case; McGee is upset that he was not briefed on the cold case.

When evidence calls for a joint investigation between NCIS and ATF, DiNozzo partners up with his girlfriend, Special Agent Zoé Keates; Anthony DiNozzo Sr. visits.

When Magnum balks at notorious crime boss Osi Shima's request to find his missing son, Magnum learns he's been poisoned and has only eight hours to locate Shima's son to earn the antidote.

The Doyles help Jake's high-school girlfriend; Rose's past comes back to haunt her; Leslie weighs whether or not she wants Jake in her future.

Mac and Harm investigate a friendly fire incident that claims the life of one Marine and wounds another in Iraq.

Pride and Lasalle travel to war-torn South Ossetia to locate an FBI agent who was kidnapped during a failed mission to apprehend the leader of Apollyon, the underground spy network responsible for murdering Pride's father.

A secret service agent is murdered while the president is traveling to Oahu; as Thanksgiving approaches, McGarrett's Aunt Deb (Carol Burnett) visits and shares a stunning secret.

An attempted murder leads the team to investigate a deadly crime committed in Hawaii during World War II.

Gibbs leads the investigation into a murder victim found in a taxi headed to NCIS headquarters; Jenny discovers a secret about her past.

Upon the director's return from a European junket, the team's secrets unravel; a merciless drug dealer holds Dinozzo and his girlfriend captive.

The team investigates the kidnapping of Master Sgt. Boomer, a military working dog; Sam looks to sell his boat so he can take care of his father, who is suffering from Alzheimer's disease.

The team helps Naval intelligence officer Akhil Ali locate a fellow officer who went missing while recruiting foreign assets as potential sources of intelligence; Callen and psychologist Nate Getz track down a man.

Mac and Harm investigate a friendly fire incident that claims the life of one Marine and wounds another in Iraq.

Pride and Lasalle travel to war-torn South Ossetia to locate an FBI agent who was kidnapped during a failed mission to apprehend the leader of Apollyon, the underground spy network responsible for murdering Pride's father.

Shannon Madill had everything going for her; she had just landed an audition for a role in a television series; was looking forward to moving from Calgary to Edmonton; the audition was recorded on video; hours later she vanished.

After a three-month suspension, Andy faces an official tribunal that will decide if she should be reinstated; a drunken driver (William Shatner) with a grudge against the police causes a multicar crash.

While tracking down a police car stolen by students as a prank, Andy and Swarek pick up the trail of a teen who robbed and assaulted a local criminal.

Fraser assumes the responsibility of protecting a childhood friend who has become a professional hockey star.

Fraser and Ray help a shoemaker being terrorized by a mobster who was a schoolyard bully Ray feared as a child.

After a frantic welfare call, police find 79-year-old Avanell Cowgill murdered in her home; with no clues except for a trail of strange credit card transactions, investigators hope surveillance video will give them what they need to reveal a killer.

In Kentucky, 13-year-old David Oakley comes home to find his stepmother murdered and his 15-year-old sister Jenna missing; Police race to piece together a killer's video trail, only to uncover a brutal plot.

A mission to retrieve a compromised CIA agent in Libya becomes more difficult when Harm learns the agent's family needs to be rescued as well.

An investigation involving a potential serial killer puts Chin's life in danger; Grace and Danny find a mysterious puzzle box.

One of Grover's friends disappears after apparently committing a murder.

The team finds a link between a murder in Washington, D.C., and a terror group holding a Marine hostage overseas; DiNozzo is annoyed that McGee was chosen to be featured on recruitment brochures.

When a Navy ensign from the Office of Naval Intelligence is murdered, Special Agent Ned Dorneget (Matt Jones) from NCIS cyber operations helps investigate; Jake and Gibbs' friendship is revealed.

The mother of a suspected bomber hires Magnum and Higgins to locate her teen son and turn him in to the authorities; Kumu and Rick help T.C. navigate his guilty conscience when he runs into a past flame.

A mission to retrieve a compromised CIA agent in Libya becomes more difficult when Harm learns the agent's family needs to be rescued as well.

At the request of a seaman serving a life sentence for stabbing a transsexual prostitute 20 years earlier, Harm convinces the naval authorities to reopen the case.

After tracking Apollyon, a deadly underground spy network, to war-torn South Ossetia, Pride is separated from the team and faces grave danger; in order to save Pride, the NCIS team must locate a mole who continues to feed information to Apollyon.

An investigation involving a potential serial killer puts Chin's life in danger; Grace and Danny find a mysterious puzzle box.

One of Grover's friends disappears after apparently committing a murder.

A showdown between the NCIS team and an elusive arms dealer reaches an explosive conclusion.

Ducky makes a startling discovery that leads to the search for a missing child; Tony struggles to deal with his feelings for Jeanne.

NCIS investigates the murder of a woman employed in the Navy's missile defense program and its connection to stolen Navy missile technology; a strict social worker stresses out Deeks; Sam debates selling his boat.

The NCIS team works with Drug Enforcement Administration agent Talia Del Campo to find a missing whistleblower set to testify against gun manufacturers marketing to drug cartels.

At the request of a seaman serving a life sentence for stabbing a transsexual prostitute 20 years earlier, Harm convinces the naval authorities to reopen the case.

After tracking Apollyon, a deadly underground spy network, to war-torn South Ossetia, Pride is separated from the team and faces grave danger; in order to save Pride, the NCIS team must locate a mole who continues to feed information to Apollyon.

Penny Boudreau reported her 12-year-old daughter Karissa missing on the night of a heavy snowstorm in January 2008; in an emotional news conference, the Nova Scotia mother made a tearful appeal for the public's help in finding the little girl.

When Dov walks into a robbery in progress and shoots a black teen, the community calls for him to be investigated.

Traci worries that she mishandled the investigation into a car accident that yielded a dead body; Chris realizes he has feelings for Gail.

After delivering a package to the wrong woman, Fraser's attempts to retrieve it make the woman's suspicious fiance violent.

Ray and Fraser enter the unknown when a derelict has visions about a kidnapping; Ray is in a frenzy trying to find out if Fraser has slept with his sister.

In Kentucky, 13-year-old David Oakley comes home to find his stepmother murdered and his 15-year-old sister Jenna missing; Police race to piece together a killer's video trail, only to uncover a brutal plot.

In 2013, Kira Steger goes missing after a date night with her husband at the Mall of America; after a shocking discovery in a parking lot, investigators fear foul play; they turn to mall security footage in the hopes of solving this mysterious case.

With a major setback in Misty's build, the Raneys race the clock in their rescue of a Texas homestead; Marty tackles the water crisis, Misty scrambles to complete the pond and garden, and Matt builds a hog trap for an additional food resource.

Chin is questioned about his father's murder and how his relationship with Malia and her family could have adversely affected the investigation.

An escaped convict who wants Five-0 to prove his innocence abducts Danny and McGarrett; Grace punches a person at school.

A case escalates into a global initiative when it's discovered that an international terrorist group that recruits children has been buying bombs off the black market.

After a deadly bombing overseas, the team pursues a global terrorist group - and suffers an emotional loss.

Higgins is in a complicated situation when 12-year-old Ella asks for help cracking a triple homicide that involves her mother; Magnum bonds with a terminally ill veteran while volunteering with the No Veteran Dies Alone Program.

With a major setback in Misty's build, the Raneys race the clock in their rescue of a Texas homestead; Marty tackles the water crisis, Misty scrambles to complete the pond and garden, and Matt builds a hog trap for an additional food resource.