A distinguished senator asks Gibbs for help in solving the murder of a young female Naval officer.

When the NCIS team receives a cryptic, urgent message, Fatima and Rountree must work together to solve the case; Kilbride plans to visit his son; Callen asks Sam to be his best man.

The NCIS team is tasked with assisting NCIS' cold case homicide unit with a case from 2003 and a missing Navy petty officer; Kilbride and his son, Alex, work to rebuild their relationship.

Mac and Vukovic attend the annual JAG conference in San Diego and face off in court during the trial of a Marine accused of killing a Nicaraguan civilian.

Pride is cut off from the team and backed into a corner after the investigation into Eddie Barrett uncovers a malicious plot.

After a torso is found floating in the Oshawa Harbour, the family of 18-year-old Rori Hache is horrified to learn the human remains belong to the missing teen.

After tracking a gun found at a frat house, Division 15 goes under cover at a bar that is supplying illegal firearms; Dov becomes suspicious of Chris' behavior; Andy helps Sam with a missing person case.

The investigation into the discovery of a missing man's body in the trunk of a car leads Andy and Sam to someone with a surprising connection to Sam; Traci thinks they have the wrong suspect.

While the police force is on strike, Fraser and Kowalski help a bounty hunter find a bail jumper from Montana.

Kowalski, Welsh and Thatcher (Callum Keith Rennie, Beau Starr, Camilla Scott) all witness a murder at the mall, but can't agree on who did it.

In Alexandria, Va., Nancy Dunning, Ronald Kirby and Ruthanne Lodato are all fatally shot in broad daylight by a gunman knocking at the front door; detectives attempt to use security footage to track down the killer before they strike again.

On March 27, 2015, Tierra Hall hugs her mother goodbye for the last time; 24 hours later, the teenager's dead body is discovered outside an abandoned house.

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

When a tourist unknowingly transporting a stolen Van Gogh is murdered, Kono and Chin go under cover into the world of black market art; McGarrett asks chef Masaharu Morimoto to train Kamekona for a shrimp cook-off.

When a neurosurgeon is murdered right before a procedure, the stunning truth about a decades-old disappearance of four school boys is revealed; McGarrett's car is stolen.

After an American couple is attacked in Iraq, Gibbs questions the lone survivor of a Special Ops group that was attacked months earlier in the same area.

When a Navy officer is murdered, the team must determine whether the man's wife or mistress is lying; a homeless woman believes Anthony DiNozzo Sr. is her father.

As Magnum and Higgins work a case to recover valuable stolen truffles, they also must care for a baby left abandoned at the gates of their estate; Kumu tries to locate the infant's mother.

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

On an assignment in Iraq, Vukovic defends a Marine caught on tape killing a seemingly innocent civilian during an attack on a mosque.

The team is concerned when Sebastian becomes unreachable while under cover as a new recruit.

When a tourist unknowingly transporting a stolen Van Gogh is murdered, Kono and Chin go under cover into the world of black market art; McGarrett asks chef Masaharu Morimoto to train Kamekona for a shrimp cook-off.

When a neurosurgeon is murdered right before a procedure, the stunning truth about a decades-old disappearance of four school boys is revealed; McGarrett's car is stolen.

When a murder investigation leads the team to Gibbs' hometown, secrets about his past are revealed.

A murderous psychopath taunts the team by leaving clues to the next victim's identity during the week of Halloween.

The NCIS team must investigate when a Navy reservist is stabbed and his lab full of pesticides and insects is ransacked; Kilbride offers Sam the interim operations manager position; Rountree thinks about his future.

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; Pembrook meets with Callen and gives more insight into his past.

On an assignment in Iraq, Vukovic defends a Marine caught on tape killing a seemingly innocent civilian during an attack on a mosque.

The team is concerned when Sebastian becomes unreachable while under cover as a new recruit.

26-year-old Chantel Moore was shot and killed by a New Brunswick police officer during a wellness check; police had been called to her apartment over concerns that Chantel was being stalked and could be in danger.

At his dismissal hearing, Duncan reveals new incriminating evidence against Andy; Oliver considers making a deal.

Dov suspects Chris isn't ready to get back on the right track; Steve tells Traci he's about to raid a gambling den frequented by her husband.

When Fraser's friend intercepts a secret message, Fraser and Kowalski become entrapped in a deadly arms transaction.

Ray and Kowalski help a small-town sheriff when the town's baseball team becomes a target of sabotage attempts.

On March 27, 2015, Tierra Hall hugs her mother goodbye for the last time; 24 hours later, the teenager's dead body is discovered outside an abandoned house.

In 2019, after a night out with friends, college student Samantha Josephson climbs into a car she mistakes for her rideshare, never to be seen alive again; with little to go on, police must rely on CCTV footage to help pick up the killer's trail.

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

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

First-timers and frequent flyers get booked, including the son of a deputy who is charged with stealing a dog he's been caring for.

A man whose bond has just been raised to $20,000 attempts an escape from the courthouse; a defendant about to be sentenced for drunk driving reports to court, drunk; a man checks in for his virtual plea hearing from an airplane; and more.

A psychic hires Magnum and Higgins to prevent a murder she claims to have foreseen; Katsumoto questions Kumu when her information is found on recovered stolen jewels that once belonged to the infamous Imelda Marcos.

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

The sole survivor of an Iraqi bombing faces arson charges when a fire destroys the Marine Reserve Center shortly after his return home.

A computer expert (Danica McKellar) claims to have witnessed a murder in the apartment across the way, but investigators find no physical evidence of a crime.

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

First-timers and frequent flyers get booked, including the son of a deputy who is charged with stealing a dog he's been caring for.

A man whose bond has just been raised to $20,000 attempts an escape from the courthouse; a defendant about to be sentenced for drunk driving reports to court, drunk; a man checks in for his virtual plea hearing from an airplane; and more.

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

With "Barney & Friends" at its peak, the backlash becomes inescapable; cast, crew and critics discuss the impact the dinosaur has had on their lives; shocking trials await the creator's family.

First-timers and frequent flyers get booked, including the son of a deputy who is charged with stealing a dog he's been caring for.

A man whose bond has just been raised to $20,000 attempts an escape from the courthouse; a defendant about to be sentenced for drunk driving reports to court, drunk; a man checks in for his virtual plea hearing from an airplane; and more.

While visiting India, a young newlywed from British Columbia was attacked, kidnapped, and her lifeless body discovered in a canal the next day.

When the Division helps tenants move out of a condemned subsidized-housing complex, they discover a badly beaten man in one of the empty units.

When a car bomb explodes in a downtown parking garage, a newly reinstated Duncan goes rogue in an effort to prove himself.

Fraser (Paul Gross) must protect his friend (guest star Gordon Tootoosis) from a criminal when the two men witness a jewelry heist.

When a pretzel vendor is gunned down in the park, Fraser investigates the crime, with surprising results.

In 2019, after a night out with friends, college student Samantha Josephson climbs into a car she mistakes for her rideshare, never to be seen alive again; with little to go on, police must rely on CCTV footage to help pick up the killer's trail.

In May 2019 in Cedar Rapids, Iowa, a shooter opens fire on four teenagers in a parked car then escapes with the help of a getaway driver.

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.

After seeing her leave a bar with another man, jealous Craig Finney targets his ex-girlfriend in a frenzied attack before turning the gun on himself.

William Espinosa Ubando was arrested in September 2010 for beating his girlfriend; he could not face life without her when she wanted to leave, so he turned to murder.

In 2010 in Pensacola, Florida, 19-year-old Audreanna Zimmerman visited the mobile home of 16-year-old Britnee Miller in an attempt to "patch things up" following a physical altercation between the two; her visit turned out to be a deadly mistake.

In February 2009, Joshua Fulgham and Emilia Carr forced Heather Strong, Fulgham's wife, to sign a document granting full custody of her children to Fulgham; they then proceeded to suffocate her to death.

Magnum's uncle visits and reveals a shocking secret about Thomas' mother; TC asks Higgins for help when he realizes he may have witnessed a potential murder from his helicopter; Higgins decides it's time to tell Ethan the truth about her past.

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.

Gen. Cresswell believes that remains of a Vietnam soldier found in Laos are those of a chopper pilot who saved his life during the war, so he sends Vukovic and Graves to investigate.

A Marine records his own death on video, as he falls off a cliff during a camping trip with his wife and his best friend, and Abby tries to reconstruct the camera, putting her technical skills to the test.

After seeing her leave a bar with another man, jealous Craig Finney targets his ex-girlfriend in a frenzied attack before turning the gun on himself.

William Espinosa Ubando was arrested in September 2010 for beating his girlfriend; he could not face life without her when she wanted to leave, so he turned to murder.

In 2010 in Pensacola, Florida, 19-year-old Audreanna Zimmerman visited the mobile home of 16-year-old Britnee Miller in an attempt to "patch things up" following a physical altercation between the two; her visit turned out to be a deadly mistake.

In February 2009, Joshua Fulgham and Emilia Carr forced Heather Strong, Fulgham's wife, to sign a document granting full custody of her children to Fulgham; they then proceeded to suffocate her to death.

After seeing her leave a bar with another man, jealous Craig Finney targets his ex-girlfriend in a frenzied attack before turning the gun on himself.

William Espinosa Ubando was arrested in September 2010 for beating his girlfriend; he could not face life without her when she wanted to leave, so he turned to murder.

In 2010 in Pensacola, Florida, 19-year-old Audreanna Zimmerman visited the mobile home of 16-year-old Britnee Miller in an attempt to "patch things up" following a physical altercation between the two; her visit turned out to be a deadly mistake.

In February 2009, Joshua Fulgham and Emilia Carr forced Heather Strong, Fulgham's wife, to sign a document granting full custody of her children to Fulgham; they then proceeded to suffocate her to death.

Jules Knox goes through the many twists and turns of a mishandled investigation, family outrage and an exclusive interview with Arlene's husband and the accused, Bert Westervelt.

A bomb goes off in the station's evidence room, with Andy inside.

Andy and Sam return to work; Andy is attacked at Traci's place and Sex Crimes Unit tries to take over the case.

Fraser (Paul Gross) arrests a legendary poker player and becomes entangled in a federal investigation.

Kowalski and Fraser must investigate a policeman's homicide to save the victim's wife from getting the death penalty.

In May 2019 in Cedar Rapids, Iowa, a shooter opens fire on four teenagers in a parked car then escapes with the help of a getaway driver.

In September 2014, an Iowa college town panics after police find Tong Shao, a missing student from China, murdered; when security camera footage points to a planned execution, hunting down the young woman's killer becomes an international mystery.

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

A patient with a contagious and deadly strain of bird flu is kidnapped - and the people responsible plan to weaponize the virus.

Kono must fight for her life after discovering a notorious criminal's identity; Adam's ties to his formerly corrupt family business leaves Kono feeling concerned.

After Special Agent DiNozzo's identity is stolen, the perpetrators use his name to begin blackmailing senators.

NCIS teams up with the FBI and Homeland Security to pursue two escaped British prisoners, one of them a former spy, who have crossed international borders.

Magnum and Higgins work a stalking case involving a man with a past in espionage; Ethan asks Higgins to join him on an extended trip for Doctors Without Borders just as Magnum starts to open up to other possibilities.

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

When a seaman kills a much larger opponent during a shipboard fist fight, Harm and Vukovic are assigned to investigate.

The team must track down a mysterious female assassin responsible for murders in Athens, Rome and London; Wade's son begs her to allow him to go on a police ride-along for an article he's writing on a youth outreach program.

A patient with a contagious and deadly strain of bird flu is kidnapped - and the people responsible plan to weaponize the virus.

Kono must fight for her life after discovering a notorious criminal's identity; Adam's ties to his formerly corrupt family business leaves Kono feeling concerned.

Gibbs second-guesses himself when Vance assigns a rookie to work with him on the team's investigation into a deadly bank robbery.

The team must play a dangerous war game that leads to very real consequences for one team member.

When an ATF agent goes missing, the bureau seeks help from the NCIS team to investigate stolen military-grade weapons and locate the agent; Callen and Anna continue to plan their wedding; Rountree's sister interviews for medical school.

The NCIS team continues the case with ATF and the stolen military-grade weapons; Callen and Anna decide on an impromptu wedding.

When a seaman kills a much larger opponent during a shipboard fist fight, Harm and Vukovic are assigned to investigate.

The team must track down a mysterious female assassin responsible for murders in Athens, Rome and London; Wade's son begs her to allow him to go on a police ride-along for an article he's writing on a youth outreach program.

Four men were gunned down in their prime, shot and killed in three separate shootings; investigators would discover that the murders were all connected. and the evidence would lead them to a serial killer hungry for notoriety and fame.

Andy contemplates her future with Sam after learning heartbreaking news; Andy meets a teen in need of protection.

A riot erupts at an over-capacity women's correctional facility while Andy, Juliet, Nick and Gail are there to transfer inmates; a dangerous prisoner is desperate to prove her innocence to a trapped Andy and Juliet.

After a voodoo priest dies, Fraser and Kowalski (Paul Gross, Callum Keith Rennie) investigate a secretive Haitian community.

Fraser sings backup for a Canadian country-western singer (Michelle Wright) who has received death threats.

In September 2014, an Iowa college town panics after police find Tong Shao, a missing student from China, murdered; when security camera footage points to a planned execution, hunting down the young woman's killer becomes an international mystery.

In 2009 in Tracy, Calif., a little girl vanishes after playing at a friend's house, leaving her family desperate for answers; with no leads and few clues, investigators must rely on surveillance footage to piece together the horrifying truth.

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 members of the Five-0 investigate a journalist's past after he is killed; as Valentine's Day draws near, a text mix-up causes Danny to overreact.

Five-0 and an ATF agent (Melina Kanakaredes) from California team up when a serial arsonist targets couples in Oahu; Amber's abusive ex tracks her down while she is on a romantic getaway with Danny.

Dr. Cyril Taft finds key evidence when he is assigned to surgical duty for a suspect.

Personal plans are interrupted when errors are found in what seemed to be a straight-forward, closed case; McGee and Delilah argue whether work should be discussed during dinner.

Magnum is tasked with finding a single mom being hunted by two very dangerous gangs; while Higgins is abroad with Ethan, a misstep forces her to assist an old employer.

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.

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

The team investigates the murder of a JAG captain who was discovered at home by his daughter, the only heir to his large estate; Sebastian is intimidated when he is put in charge of a team on his first day of training.

The members of the Five-0 investigate a journalist's past after he is killed; as Valentine's Day draws near, a text mix-up causes Danny to overreact.

Five-0 and an ATF agent (Melina Kanakaredes) from California team up when a serial arsonist targets couples in Oahu; Amber's abusive ex tracks her down while she is on a romantic getaway with Danny.

When a widow gets a telephone call from her husband, the team must exhume the body believed to be that of the Marine.

After digging herself out of a grave, an amnesiac can remember one thing: a bomb is hidden on a Navy ship.

Four months after being shot, Agent Callen returns to the Office of Special Projects and joins the Los Angeles team on a kidnapping case.

A 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.

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

The team investigates the murder of a JAG captain who was discovered at home by his daughter, the only heir to his large estate; Sebastian is intimidated when he is put in charge of a team on his first day of training.

In the fall of 2016, a football player went out with his teammates to celebrate an important win when tragedy struck; witnesses explain what they saw that fateful night and how Hicks was blindsided.

Nick receives new information on his tragic past, and goes off the grid to track someone down; Nick is forced to tell Juliet about his secrets.

When Traci fails to show up for a raid involving a notorious gun dealer, the officers of 15 Division race to find her.

Fraser and Ray arrest a mob boss who, in turn, threatens the Chicago Police Department with a harassment suit.

A murder-for-hire business has a unique body-disposal system.

In 2009 in Tracy, Calif., a little girl vanishes after playing at a friend's house, leaving her family desperate for answers; with no leads and few clues, investigators must rely on surveillance footage to piece together the horrifying truth.

In the summer of 1994, a night out in Miami turns deadly for two young women and a popular nightclub owner; with little evidence found on the scene, investigators must rely on a hidden home video camera to help solve this mystery.

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.

Danny and McGarrett work on their relationship as they pursue a woman who escaped after a diamond robbery.

When Chin and Danny are taken into custody over past deadly transgressions, McGarrett turns to Joe for help.

After an American couple is attacked in Iraq, Gibbs questions the lone survivor of a Special Ops group that was attacked months earlier in the same area.

When a Navy officer is murdered, the team must determine whether the man's wife or mistress is lying; a homeless woman believes Anthony DiNozzo Sr. is her father.

While Magnum and Higgins reunite and work the case of a construction worker's tragic death, TC and Shammy get skyjacked by a pair of drug runners posing as tourists.

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.

The president nominates a tough Marine lawyer, Col. Gordon Cresswell, to replace Chegwidden, sparking rampant rumors on Capitol Hill and in the JAG section.

When Pride is unable to sleep due to continuing nightmares about the mysterious man in the red suit, he undergoes a specialized treatment to help him figure out the man's identity; an arrogant new officer joins the team.

Danny and McGarrett work on their relationship as they pursue a woman who escaped after a diamond robbery.

When Chin and Danny are taken into custody over past deadly transgressions, McGarrett turns to Joe for help.

After a Navy commander is murdered on a beach, the team watches for a nude female sunbather who may be the only witness.

Ducky and Abby help identify a Marine whose severed leg is found in a trash receptacle, then the case takes a turn when the man's identity does not match his official photo ID.

Following a murder, the secrets to classified software are thought to be lost until NCIS uncovers a suspect from Vance's past.

The team is assigned to track down a missing unmanned aerial vehicle (UAV) after it is compromised during a training exercise, killing a Marine before it disappears.

The president nominates a tough Marine lawyer, Col. Gordon Cresswell, to replace Chegwidden, sparking rampant rumors on Capitol Hill and in the JAG section.

When Pride is unable to sleep due to continuing nightmares about the mysterious man in the red suit, he undergoes a specialized treatment to help him figure out the man's identity; an arrogant new officer joins the team.

When Canadian boxing star Eddie "Hurricane" Melo is killed, investigators start digging into his connections to the Montreal Mafia; Mark Carcasole reports on the theories, the arrests and how Melo's daughter is keeping her father's memory alive.

A community-outreach baseball game is interrupted by a drive-by shooting; Sam plans a getaway with Andy.

When Sam and Andy discover that Oliver is the prime suspect in the evidence-room bombing, they become determined to clear his name.

Fraser and Ray investigate after witnessing men in a white limousine abduct a teen girl from a shopping mall.

A female Mountie, who comes to Chicago after two murder suspects, has a strange attraction for Fraser.

In the summer of 1994, a night out in Miami turns deadly for two young women and a popular nightclub owner; with little evidence found on the scene, investigators must rely on a hidden home video camera to help solve this mystery.

In 2018, 59-year-old Pamela Hutchinson is found dead in her Florida condo; the search for answers leads police to a mysterious woman spotted on CCTV; when the suspect is linked to yet another murder, it sparks a nationwide manhunt and media frenzy.

When a government official is killed during a routine patrol, a sergeant stands accused of involuntary manslaughter, and Harm and Mac go to Baghdad to help with the court-martial.

McGarrett and Odell come under assault at the barbershop while trying to protect a young man being hunted by a gang; Jerry is accused of a series of home invasions.

The wife of one of Grover's closest friends falls to her death; Dr. Shaw and Danny are stuck in an elevator with a body that needs processing.

After Special Agent DiNozzo's identity is stolen, the perpetrators use his name to begin blackmailing senators.

NCIS teams up with the FBI and Homeland Security to pursue two escaped British prisoners, one of them a former spy, who have crossed international borders.

Magnum, Higgins and Rick go under cover at a ritzy country club when a young caddie is fired after being accused of stealing a member's golf clubs; Jin's niece, unaware of her uncle's shady past, asks him to speak at her school.

When a government official is killed during a routine patrol, a sergeant stands accused of involuntary manslaughter, and Harm and Mac go to Baghdad to help with the court-martial.

Mac and Turner investigate the Naval Academy's sailing instructor for dereliction of duty after a midshipman drowns during a training exercise.

Tammy must protect a teenage girl after her father is shot in their home; the rest of the team searches for a motive.

McGarrett and Odell come under assault at the barbershop while trying to protect a young man being hunted by a gang; Jerry is accused of a series of home invasions.

The wife of one of Grover's closest friends falls to her death; Dr. Shaw and Danny are stuck in an elevator with a body that needs processing.

A sniper kills Marine recruiters and leaves a white feather behind as his calling card.

With the help of a local sheriff, Gibbs and his team hunt down a possible serial killer targeting naval officers.

When an Iraqi businessman is murdered, the team searches for the former Marine who was hired to protect him.

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.

Mac and Turner investigate the Naval Academy's sailing instructor for dereliction of duty after a midshipman drowns during a training exercise.

Tammy must protect a teenage girl after her father is shot in their home; the rest of the team searches for a motive.

An unknown driver shot and killed Constable André Lalonde, known for his friendly nature and big mustache, and 25 years later, Mike Armstrong explores the impact of his murder on Lalonde's wife and two children and the continuing hunt for the killer.

Andy, Dov, Gail and Nick undertake a risky plan; Traci shadows Steve Peck, hoping to calm her fears about his involvement in the bombing.

When a heat wave strikes, 15 Division opens to the public as a cooling station; Andy and Marlo search for a missing woman.

Ice-fisherman Fraser catches a corpse, finds another, and gets chased by bad guys with grenade launchers.

Fraser and Kowalski pursue an arms dealer to the Yukon, where they join forces with Buck Frobisher's (Leslie Nielsen) detachment.

In 2018, 59-year-old Pamela Hutchinson is found dead in her Florida condo; the search for answers leads police to a mysterious woman spotted on CCTV; when the suspect is linked to yet another murder, it sparks a nationwide manhunt and media frenzy.

Natasha Cournoyer, 37, disappears without a trace in Laval, Canada; as her friends and family struggle for answers, detectives must follow a stone-cold trail to uncover her final footsteps caught on surveillance cameras.

Harm and Mac arrive for the trial of three MPs charged with abusing a prisoner at the Guantanamo Bay prison camp for al-Qaida terrorists.

After a murder takes place at a convention of Elvis impersonators, the victim's body is stolen; Gabriel asks Chin for help.

When a dead woman is found in a hotel suite belonging to three married, hungover men, the team must help them retrace their steps as they try to remember what happened - and find the killer.

Gibbs suspects that a 14-year-old who stopped a home invasion is holding back information; Vance and Fornell head to London as part of the case involving the escaped British spy.

The FBI and M16 continue their international manhunt as the escaped British spy leaves one agent fighting for his life in the ICU.

Higgins' therapist hires her to look into why one of her teenage patients died of suicide.

Harm and Mac arrive for the trial of three MPs charged with abusing a prisoner at the Guantanamo Bay prison camp for al-Qaida terrorists.

Coates' once-shady past comes back to haunt her when an old friend comes to stay and frames her for murder.

When a man impersonating Lasalle attempts to free a young woman from jail, the team investigates both the impostor and the prisoner; Pride's daughter pays him a surprise visit.

After a murder takes place at a convention of Elvis impersonators, the victim's body is stolen; Gabriel asks Chin for help.

When a dead woman is found in a hotel suite belonging to three married, hungover men, the team must help them retrace their steps as they try to remember what happened - and find the killer.

Gibbs puts it all on the line to help a former commanding officer who is running for his life from the government.

A gun-toting man emerges from a body bag in the autopsy lab to take Ducky, Gerald and Kate hostage. Rudolf Martin guest stars.

Following the murder of a Russian woman, the NCIS team uncovers evidence that answers who and why Callen was shot six months ago.

While Hetty is at a Senate hearing in Washington, D.C., a murder investigation leads the team to stolen missiles and a dangerous militia group.

Coates' once-shady past comes back to haunt her when an old friend comes to stay and frames her for murder.

When a man impersonating Lasalle attempts to free a young woman from jail, the team investigates both the impostor and the prisoner; Pride's daughter pays him a surprise visit.

A young woman disappears in Calgary, Canada, and a 911 call results in the discovery of an older couple dead in their home, leading police to uncover the tragic connection between the two cases as they discover evidence of a senseless killing spree.

Andy considers leaving town for a four-month-long undercover project; Jarvis reveals that the division will be restructured.

Andy is left stranded on the side of the road with a dying man and no way to get help on her wedding day.

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

Fraser returns from vacation to a blazing apartment and a new partner, Stanley Ray Kowalski.

Natasha Cournoyer, 37, disappears without a trace in Laval, Canada; as her friends and family struggle for answers, detectives must follow a stone-cold trail to uncover her final footsteps caught on surveillance cameras.

When a killer executes 19-year-old Abigail Gasca-Chavez in her own home, the only witnesses are her toddler and neighborhood surveillance cameras; detectives close in on a suspect, but when he heads for the Mexican border, it's a race against time.

Harm and Mac assist with an FBI investigation into the mysterious disappearance of the Navy's top bioweapons scientist; Bud presents Cresswell with a petition from a female Marine who wants to be allowed to box against male opponents.

A career criminal and first-time arrestee bond in custody; an expecting father faces the prospect of missing his child's birth; a 20-year-old aspiring model gets a taste of the inside of a jail cell for the first time.

Two fathers get into an altercation; a guy gets caught when he uses fake urine for a drug test; a lady sets her boyfriend's things on fire.

Life lessons are learned when a first-timer and folks familiar with the system get booked; a woman struggles to deal with her husband's health issues and gets a DWI; a father draws attention to himself, resulting in a gun possession charge.

A son lands himself in jail after his dad rear-ends a car; a Northern California gearhead gets spotted by a helicopter after allegedly doing a burnout at a car meet.

Magnum and Higgins are hired by an anxious groom to look into his bride-to-be on the eve of their wedding; TC makes a touching decision on how to help Cade.

Harm and Mac assist with an FBI investigation into the mysterious disappearance of the Navy's top bioweapons scientist; Bud presents Cresswell with a petition from a female Marine who wants to be allowed to box against male opponents.

After enduring an injury in a Christmas Eve car accident, a radio show sparks a memory for Mac, in which a psychologist forced her to face Webb's deceit.

Gibbs puts it all on the line to help a former commanding officer who is running for his life from the government.

A career criminal and first-time arrestee bond in custody; an expecting father faces the prospect of missing his child's birth; a 20-year-old aspiring model gets a taste of the inside of a jail cell for the first time.

Two fathers get into an altercation; a guy gets caught when he uses fake urine for a drug test; a lady sets her boyfriend's things on fire.

Life lessons are learned when a first-timer and folks familiar with the system get booked; a woman struggles to deal with her husband's health issues and gets a DWI; a father draws attention to himself, resulting in a gun possession charge.

A son lands himself in jail after his dad rear-ends a car; a Northern California gearhead gets spotted by a helicopter after allegedly doing a burnout at a car meet.

A career criminal and first-time arrestee bond in custody; an expecting father faces the prospect of missing his child's birth; a 20-year-old aspiring model gets a taste of the inside of a jail cell for the first time.

Two fathers get into an altercation; a guy gets caught when he uses fake urine for a drug test; a lady sets her boyfriend's things on fire.

Life lessons are learned when a first-timer and folks familiar with the system get booked; a woman struggles to deal with her husband's health issues and gets a DWI; a father draws attention to himself, resulting in a gun possession charge.

A son lands himself in jail after his dad rear-ends a car; a Northern California gearhead gets spotted by a helicopter after allegedly doing a burnout at a car meet.

On August 17, 1994, in Kelowna B.C., eight-year-old Mindy Tran hopped on her bike and pedaled over to a nearby friend's house to ask her to play; she was never seen again.

Andy faces a volatile gunman after a high-stakes takedown of a suspect does not go as planned.

The rookies hunt for a violent escaped convict; Andy and her training officer search for a missing informant.

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.

When a killer executes 19-year-old Abigail Gasca-Chavez in her own home, the only witnesses are her toddler and neighborhood surveillance cameras; detectives close in on a suspect, but when he heads for the Mexican border, it's a race against time.

In North Carolina, Stephanie Powell-Anderson's convenience store shift ends in bloodshed, as part of a larger pattern of violence plaguing the area; with the assailant growing bolder by the day, the heat is on to make an arrest before he kills again.

Harm investigates a weapons test gone awry after an F-14 goes down in flames near a California school.

Menhaz, an internet troll, tells his gamer friends that he's going to kill his own family; the gamers think it's just another one of Mehaz's twisted pranks until he sends pictures of what he claims are his brutally slaughtered mother and grandmother.

Online gamers believe that Menhaz has murdered his mother and grandmother and suspect that his sister and father could be next; the gamers tap into their hacking skills to hunt Menhaz down and try to stop him before it's too late.

The story of Gary Coleman's rise as the child star of "Diff'rent Strokes," his struggles with fame and the controversy surrounding his tragic death.

A journalist hires Magnum to track down his anonymous source after they mysteriously go dark; Higgins receives a new assignment from MI-6; Rick's old friend comes to the island, but TC is suspicious of his motives.

Harm investigates a weapons test gone awry after an F-14 goes down in flames near a California school.