The team defies the orders of a foreign government when it retrieves an asteroid containing DNA strands that could have deadly consequences if they are exposed.

Harm and Mac become caught in a game of revenge when they are sent to Belfast, Northern Ireland, to save the life of a Navy lieutenant's infant son.

An attempt on Adm. Chegwidden's life leads to the realization that all the members of his Navy SEAL squad have died under mysterious circumstances.

A discovery sends Callen and Sam to Africa to investigate; Sam's family is transported to a safe house.

The families of Rebecca Contois, Marcedes Myran, Morgan Harris, and "Buffalo Woman" are devastated to get the news that evidence points to a serial killer in the disappearances of their loved ones; but that was only the beginning in their years-long quest for justice, as questions swirled about a fourth unidentified woman who became known as "Buffalo Woman"; and the killer's modus operandi was hauntingly similar to that of another predator.

Looking into some of Canada's most infamous criminal cases with extensive archives and intimate family interviews and exploring the lasting impacts on the community and justice system.

The police lack leads after single mom Laura Ackerson leaves for work one morning and never returns, so they turn to surveillance cameras to try to locate her and unearth sinister footage.

Fraser tries to protect Ray when he is jailed for contempt of court and sent to the same prison as the accused murderer he is trying to convict.

Fraser's witness protection assignment tests his loyalties to his father's memory and his job when the witness is the man who murdered his father.

Michelle Mockbee arrives at work early in order to get ahead on payroll, and she is murdered outside her office less than an hour later; detectives follow the surveillance footage to a closet full of dirty secrets.

The police lack leads after single mom Laura Ackerson leaves for work one morning and never returns, so they turn to surveillance cameras to try to locate her and unearth sinister footage.

Forced to make an emergency landing in the Appalachian Mountains, Harm and Mac are pursued by hunters who have just murdered a game warden.

Harm is assigned to escort and protect a visiting Romanian princess when enemy elements from her native country want to assassinate her.

While in the hospital recovering from an emergency appendectomy, Todd is convinced he overheard a plot to murder someone; Todd gets to meet his personal guru, Dick Franks, a grizzled veteran private investigator who shares the hospital room with him.

Tony revisits his days as a detective in Baltimore after learning that his former partner is likely the latest victim of the port-to-port killer.

The team attempts to extract a pair of scientists trapped inside a failing and dangerous bio-dome designed for Mars.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

Forced to make an emergency landing in the Appalachian Mountains, Harm and Mac are pursued by hunters who have just murdered a game warden.

Harm is assigned to escort and protect a visiting Romanian princess when enemy elements from her native country want to assassinate her.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

The team attempts to extract a pair of scientists trapped inside a failing and dangerous bio-dome designed for Mars.

While in the hospital recovering from an emergency appendectomy, Todd is convinced he overheard a plot to murder someone; Todd gets to meet his personal guru, Dick Franks, a grizzled veteran private investigator who shares the hospital room with him.

The team travels to Guantanamo Bay in Cuba to probe a Navy translator's death caused by swallowing emeralds smuggled from Afghanistan.

When a condemned ax-murderer on death row appeals for his life, the team must investigate.

The team attempts to extract a pair of scientists trapped inside a failing and dangerous bio-dome designed for Mars.

Forced to make an emergency landing in the Appalachian Mountains, Harm and Mac are pursued by hunters who have just murdered a game warden.

Harm is assigned to escort and protect a visiting Romanian princess when enemy elements from her native country want to assassinate her.

A Cuban spy escapes custody before a scheduled prisoner exchange with his country; Kensi learns that Deeks thinks she's too messy.

Crime reporter Nancy Hixt reviews the case of Meika Jordan, a six-year-old girl whose life was tragically cut short; Nancy reveals the details of this case and the evidence uncovered by investigators in their quest for justice.

Dismembered remains belonging to a child are uncovered, and Alan Carter returns to the scene of the crime 20 years later, reuniting with the lead detective and a community coming together in grief.

On July 5, 2011, a young couple on their way home from a night of birthday celebrations is shot while getting gas; with the killers long since vanished, detectives must rely on the grainy gas station video to unravel a senseless act of evil.

Fraser's search for his new boss' stolen brooch leads to a pair of children from the street who have pilfered an address book worth killing for.

When two masks belonging to the French and Canadian governments go missing from right under Fraser's nose at the museum, it's up to him to bring them back; Ray can't decide how to entertain his latest date.

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 July 5, 2011, a young couple on their way home from a night of birthday celebrations is shot while getting gas; with the killers long since vanished, detectives must rely on the grainy gas station video to unravel a senseless act of evil.

Harm and Bud face a drug lord who seems to hold the upper hand when an unauthorized U.S.-Colombian mission goes wrong, supposedly resulting in the death of a Marine.

Harm goes under cover to help Mac investigate a Marine captain who risks the lives of his men in training exercises as preparation for real combat.

Margaret and Todd defend international opera star, supreme diva and Lyle's mother, Jaqueline.

After receiving new evidence that the Port-to-Port killer has infiltrated the agency, the team races to track him down.

After extinguishing a catastrophic tunnel fire, Team Scorpion helps Toby and Happy get to their wedding ceremony.

A Florida team of forensics investigators uses cutting-edge scientific methods and old-fashioned police work to solve crimes. Horatio Caine, a former homicide detective, heads a group of investigators who work crimes amid the steamy tropical surroundings and cultural crossroads of Miami.

Harm and Bud face a drug lord who seems to hold the upper hand when an unauthorized U.S.-Colombian mission goes wrong, supposedly resulting in the death of a Marine.

Harm goes under cover to help Mac investigate a Marine captain who risks the lives of his men in training exercises as preparation for real combat.

A Florida team of forensics investigators uses cutting-edge scientific methods and old-fashioned police work to solve crimes. Horatio Caine, a former homicide detective, heads a group of investigators who work crimes amid the steamy tropical surroundings and cultural crossroads of Miami.

After extinguishing a catastrophic tunnel fire, Team Scorpion helps Toby and Happy get to their wedding ceremony.

Margaret and Todd defend international opera star, supreme diva and Lyle's mother, Jaqueline.

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

A Florida team of forensics investigators uses cutting-edge scientific methods and old-fashioned police work to solve crimes. Horatio Caine, a former homicide detective, heads a group of investigators who work crimes amid the steamy tropical surroundings and cultural crossroads of Miami.

After extinguishing a catastrophic tunnel fire, Team Scorpion helps Toby and Happy get to their wedding ceremony.

Harm and Bud face a drug lord who seems to hold the upper hand when an unauthorized U.S.-Colombian mission goes wrong, supposedly resulting in the death of a Marine.

Harm goes under cover to help Mac investigate a Marine captain who risks the lives of his men in training exercises as preparation for real combat.

The team try to rescue a child who is in danger after being brainwashed by a terrorist.

After a year studying abroad, Lukas Strasser-Hird had dreams to be a doctor; he went out with friends to celebrate when he arrived home, but no one could have predicted how dangerous the situation was to become.

Coaxed from her home for a photoshoot, a promising young athlete never returns: Caryn Lieberman brings us through the DNA breakthrough that cracks the case to a mother's national safety campaign.

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.

Ray and his fellow officers seek revenge against the mob boss they think killed Detective Guardino, but Ray falls for the don's sister.

A real-estate tycoon wants to turn Fraser's apartment building into an upscale condominium; Ray bumps into his ex-wife.

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.

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 defend a former Navy SEAL accused of using excessive force in the killing of three men robbing a convenience store.

Although hobbled by a knee injury, Harm must take on Islamic terrorists who have taken over a hospital to seize an Israeli diplomat.

Lawrence enlists Todd's services to find out the sexual orientation of a judge; with her client's livelihood at stake, Margaret and Lyle search for a reluctant witness.

The lives of the team members are in danger when they discover the identity of the Port-to-Port killer.

Team Scorpion has little hope for rescue after their plane crash-lands on a remote, deserted island while en route to Toby and Happy's honeymoon.

Horatio finds himself with a price on his head when he makes plans to shut down the illegal smuggling operation of one of Miami's fiercest gangs.

Harm and Mac defend a former Navy SEAL accused of using excessive force in the killing of three men robbing a convenience store.

Although hobbled by a knee injury, Harm must take on Islamic terrorists who have taken over a hospital to seize an Israeli diplomat.

Horatio finds himself with a price on his head when he makes plans to shut down the illegal smuggling operation of one of Miami's fiercest gangs.

Team Scorpion has little hope for rescue after their plane crash-lands on a remote, deserted island while en route to Toby and Happy's honeymoon.

Lawrence enlists Todd's services to find out the sexual orientation of a judge; with her client's livelihood at stake, Margaret and Lyle search for a reluctant witness.

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

Horatio finds himself with a price on his head when he makes plans to shut down the illegal smuggling operation of one of Miami's fiercest gangs.

Team Scorpion has little hope for rescue after their plane crash-lands on a remote, deserted island while en route to Toby and Happy's honeymoon.

Harm and Mac defend a former Navy SEAL accused of using excessive force in the killing of three men robbing a convenience store.

Although hobbled by a knee injury, Harm must take on Islamic terrorists who have taken over a hospital to seize an Israeli diplomat.

The team searches for a North Korean spy while assigned to protective details for the commander of the Pacific Command.

Alicia's disappearance leads to one of the largest missing person searches in Ontario's history; reporter Catherine McDonald reconnects with Alicia's mother to tell the tale.

A small community in the Rocky Mountains is shattered when two people are found dead and a two-year old goes missing; Nancy Hixt recounts one of the most disturbing cases she's covered.

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.

Fraser and Ray join forces with a Mexican secret-service agent to protect the leaders of a NAFTA summit from a political assassin.

In an attempt to avert an accident, Fraser causes a farmer to lose thousands of eggs; Ray and Francesca battle over lottery winnings.

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 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.

Ukrainian Correspondent Nadia Petryk compares Cowboys and Cossacks.

California is seized with fear until investigators capture the serial killer known as the "Night Stalker"; through audio interviews, Richard Ramirez reveals aspects of his childhood and other forces that compelled him to brutalize his victims.

Serial killer Richard Ramirez, known as the "Night Stalker," evolves into a kind of rock star on death row for legions of female fans who become obsessed, including one woman who makes huge sacrifices to devote her life to him.

Sparks fly as Kyle and Sandra lay down the list of guidelines for released inmate Nick; meeting Tiffane, an online boutique owner, who's taking in Ari, a young woman finishing up her 4 1/2-year sentence for identity theft and bank fraud.

A rich couple's daughter dies when the family is trapped on a burning yacht in shark-infested waters.

Ukrainian Correspondent Nadia Petryk compares Cowboys and Cossacks.

Harm and Mac face off both in and out of the courtroom when Mac is forced to defend an admitted wife-beater now being prosecuted for murder.

A rich couple's daughter dies when the family is trapped on a burning yacht in shark-infested waters.

California is seized with fear until investigators capture the serial killer known as the "Night Stalker"; through audio interviews, Richard Ramirez reveals aspects of his childhood and other forces that compelled him to brutalize his victims.

Serial killer Richard Ramirez, known as the "Night Stalker," evolves into a kind of rock star on death row for legions of female fans who become obsessed, including one woman who makes huge sacrifices to devote her life to him.

Sparks fly as Kyle and Sandra lay down the list of guidelines for released inmate Nick; meeting Tiffane, an online boutique owner, who's taking in Ari, a young woman finishing up her 4 1/2-year sentence for identity theft and bank fraud.

California is seized with fear until investigators capture the serial killer known as the "Night Stalker"; through audio interviews, Richard Ramirez reveals aspects of his childhood and other forces that compelled him to brutalize his victims.

Serial killer Richard Ramirez, known as the "Night Stalker," evolves into a kind of rock star on death row for legions of female fans who become obsessed, including one woman who makes huge sacrifices to devote her life to him.

Sparks fly as Kyle and Sandra lay down the list of guidelines for released inmate Nick; meeting Tiffane, an online boutique owner, who's taking in Ari, a young woman finishing up her 4 1/2-year sentence for identity theft and bank fraud.

In May 2007, 15-year-old Jordan Manners was gunned down in a hallway, marking the first time a student was shot and killed inside a Toronto school and Catherine McDonald remembers the murder, its impact on the community and his family.

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.

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.

Ian, a pathological liar, comes to Ray and Fraser for help in finding his girlfriend, who has allegedly been abducted by aliens.

Fraser dons a dress to investigate the disappearance of a student at an all-girl Catholic school; Ray reunites with an old flame who believes she has become a nun because of him.

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 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 decommissioned aircraft carrier has a skeleton aboard, along with evidence that Harm's MIA father may be alive in Russia.

A violent felon attacks a prosecutor in court; a judge has heard enough from a sovereign citizen; a murdered NBA star's mother blows up in court.

A judge sets a mom straight on her killer son; a defense attorney is held in contempt; a convicted felon faces the cop he shot in court.

Deputies are assaulted during a hearing; courtroom chaos after a sentencing; a murderer's wife turns state's witness.

A daring courthouse escape; an angry defendant flips a podium, a chipmunk interrupts a Zoom hearing.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

When a teenage tourist goes missing, the team investigates the dark side of Miami's nightclub scene.

A decommissioned aircraft carrier has a skeleton aboard, along with evidence that Harm's MIA father may be alive in Russia.

A fighter pilot facing charges of adultery lies to Harm, shooting a hole in his defense and shocking her most staunch advocate.

When a teenage tourist goes missing, the team investigates the dark side of Miami's nightclub scene.

A violent felon attacks a prosecutor in court; a judge has heard enough from a sovereign citizen; a murdered NBA star's mother blows up in court.

A judge sets a mom straight on her killer son; a defense attorney is held in contempt; a convicted felon faces the cop he shot in court.

Deputies are assaulted during a hearing; courtroom chaos after a sentencing; a murderer's wife turns state's witness.

A daring courthouse escape; an angry defendant flips a podium, a chipmunk interrupts a Zoom hearing.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

A violent felon attacks a prosecutor in court; a judge has heard enough from a sovereign citizen; a murdered NBA star's mother blows up in court.

A judge sets a mom straight on her killer son; a defense attorney is held in contempt; a convicted felon faces the cop he shot in court.

Deputies are assaulted during a hearing; courtroom chaos after a sentencing; a murderer's wife turns state's witness.

A daring courthouse escape; an angry defendant flips a podium, a chipmunk interrupts a Zoom hearing.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

"Fugitives Caught on Tape" follows law enforcement officers as they pursue fugitives on the run. With access to a multitude of cameras including body and dash cams, security and traffic cams, personal doorbell footage, smartphone cams and more, viewers get a look at how agencies track down fleeing suspects.

Looking into some of Canada's most infamous criminal cases with extensive archives and intimate family interviews and exploring the lasting impacts on the community and justice system.

Looking into some of Canada's most infamous criminal cases with extensive archives and intimate family interviews and exploring the lasting impacts on the community and justice system.

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.

Ray and Fraser apprehend a teenager for a shooting offence, then become convinced they have arrested the wrong man, even though he insists he is guilty.

Terrorists take over a train carrying Fraser, Meg and a group of singing mounties; while the FBI dithers about, Fraser, Inspector Thatcher and Buck Frobisher work against the hijackers from the inside.

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.

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.

Harm and Mac must prosecute a Marine colonel who defied orders in order to rescue his men from a Haitian warlord.

Harm must choose between duty and loyalty when he learns that his mentor has been falsifying medical records to remain a Navy pilot.

Margaret and Todd team up to help a man who has been declared legally dead, even though he is very much alive.

After a firefight and a concussion wreak havoc on Tony's mind, Tony needs Gibbs to help him regain his memories of the investigation.

Tensions run high for members of Team Scorpion when they must overcome personal conflicts to be rescued from the desert island they crashlanded on three weeks earlier.

Evidence suggests that a confessed killer is actually innocent; Horatio works to collar the actual culprit before the man falls victim to the system.

Harm and Mac must prosecute a Marine colonel who defied orders in order to rescue his men from a Haitian warlord.

Harm must choose between duty and loyalty when he learns that his mentor has been falsifying medical records to remain a Navy pilot.

Evidence suggests that a confessed killer is actually innocent; Horatio works to collar the actual culprit before the man falls victim to the system.

Tensions run high for members of Team Scorpion when they must overcome personal conflicts to be rescued from the desert island they crashlanded on three weeks earlier.

Margaret and Todd team up to help a man who has been declared legally dead, even though he is very much alive.

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

Evidence suggests that a confessed killer is actually innocent; Horatio works to collar the actual culprit before the man falls victim to the system.

Tensions run high for members of Team Scorpion when they must overcome personal conflicts to be rescued from the desert island they crashlanded on three weeks earlier.

Harm and Mac must prosecute a Marine colonel who defied orders in order to rescue his men from a Haitian warlord.

Harm must choose between duty and loyalty when he learns that his mentor has been falsifying medical records to remain a Navy pilot.

Granger escorts Jennifer Kim to Los Angeles; while being questioned about a North Korean spy, Jennifer admits to Granger that she knows he is her father.

Looking into some of Canada's most infamous criminal cases with extensive archives and intimate family interviews and exploring the lasting impacts on the community and justice system.

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.

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.

An exotic dancer tips off Fraser and Ray about mobsters taking over Chicago strip joints; with Milton Berle.

The people close to Ray are placed at risk when a man whom he helped place behind bars is released on parole; Internal Affairs investigates Ray.

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.

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.

A Vietnam veteran with disabilities faces murder charges and weaves a complex tale of a crime that began more than 30 years ago in a POW camp.

An investigation into the disappearance of a Navy plane leads Harm, Mac and Bud to consider several unusual possibilities until they uncover a terrorist plot.

Margaret helps Susan serve justice for a tennis coach accused of drugging a teen athlete; Todd and Lyle embark on an epic office prank war.

When a beloved Marine is fatally stabbed just after returning from Afghanistan, the team makes a surprising discovery about his past.

Team Scorpion must work with their old nemesis Mark Collins to prevent the extinction of mankind; Walter and Paige awkwardly navigate their new relationship.

Three suburban housewives on a weekend in Miami are the prime suspects when their hotel's handsome pool boy is found murdered.

A Vietnam veteran with disabilities faces murder charges and weaves a complex tale of a crime that began more than 30 years ago in a POW camp.

An investigation into the disappearance of a Navy plane leads Harm, Mac and Bud to consider several unusual possibilities until they uncover a terrorist plot.

Three suburban housewives on a weekend in Miami are the prime suspects when their hotel's handsome pool boy is found murdered.

Team Scorpion must work with their old nemesis Mark Collins to prevent the extinction of mankind; Walter and Paige awkwardly navigate their new relationship.

Margaret helps Susan serve justice for a tennis coach accused of drugging a teen athlete; Todd and Lyle embark on an epic office prank war.

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.

Three suburban housewives on a weekend in Miami are the prime suspects when their hotel's handsome pool boy is found murdered.

Team Scorpion must work with their old nemesis Mark Collins to prevent the extinction of mankind; Walter and Paige awkwardly navigate their new relationship.

A Vietnam veteran with disabilities faces murder charges and weaves a complex tale of a crime that began more than 30 years ago in a POW camp.

An investigation into the disappearance of a Navy plane leads Harm, Mac and Bud to consider several unusual possibilities until they uncover a terrorist plot.

When secret information about suspected terrorists goes missing from a secure Department of Defense container at the site of a fire, Sam and Callen must go under cover to investigate.

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.

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.

In Groton, Vermont, a young man with a developmental disability leaves work and is never seen again; with no leads in sight, investigators must rely on surveillance footage to piece together the truth behind Christopher Gray's disappearance.

Ray becomes jealous when Fraser gets all the media attention during a terrorist's trial, but both lawmen take center stage after they are held as hostages.

Fraser develops amnesia when he is thrown from the back of a speeding van; Ray struggles to help his partner regain his memory.

Detectives rely on surveillance footage at a hospital in Tyler, Texas, when patients mysteriously start dying in the intensive care unit.

In Groton, Vermont, a young man with a developmental disability leaves work and is never seen again; with no leads in sight, investigators must rely on surveillance footage to piece together the truth behind Christopher Gray's disappearance.

Harm, Mac and Bud believe that an apparent bungling by the Navy in the downing of a North Korean airliner was a plot to make the United States look bad.

When Harm, Mac and Bud investigate a Medal of Honor candidate, they find a man very different from his public persona.

While Margaret makes every employee at Crest, Folding & Wright work over the weekend on Gus' fairness hearing for a class action settlement, Todd begins investigating a secret case with the FBI where everyone at the firm is a potential suspect.

NCIS discovers a connection between McGee's grandmother (Lily Tomlin) and the murder of a Navy lieutenant.

Team Scorpion continues work with their nemesis to prevent humanity's extinction; Cabe's last-minute decision while on the case endangers his career.

When a woman Horatio has been dating is murdered, and he is the last one to see her alive, the team tries to learn who would have the motive and the method to frame him.

Harm, Mac and Bud believe that an apparent bungling by the Navy in the downing of a North Korean airliner was a plot to make the United States look bad.

When Harm, Mac and Bud investigate a Medal of Honor candidate, they find a man very different from his public persona.

When a woman Horatio has been dating is murdered, and he is the last one to see her alive, the team tries to learn who would have the motive and the method to frame him.

Team Scorpion continues work with their nemesis to prevent humanity's extinction; Cabe's last-minute decision while on the case endangers his career.

While Margaret makes every employee at Crest, Folding & Wright work over the weekend on Gus' fairness hearing for a class action settlement, Todd begins investigating a secret case with the FBI where everyone at the firm is a potential suspect.

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

When a woman Horatio has been dating is murdered, and he is the last one to see her alive, the team tries to learn who would have the motive and the method to frame him.

Team Scorpion continues work with their nemesis to prevent humanity's extinction; Cabe's last-minute decision while on the case endangers his career.

Harm, Mac and Bud believe that an apparent bungling by the Navy in the downing of a North Korean airliner was a plot to make the United States look bad.

When Harm, Mac and Bud investigate a Medal of Honor candidate, they find a man very different from his public persona.

When Sam gets a distress code from his son Aiden saying his school is being taken over by an extremist group, the team rushes to San Francisco to free the hostages and protect Aiden.

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.

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.

In Texas, on Christmas Eve 2010, a woman gets a mysterious phone call at work and speeds home to find her 12-year-old son gone without a trace; investigators look at those closest to the boy, but only surveillance footage can lead them to the truth.

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

Fraser helps Kowalski confront a demon from his past; Internal Affairs investigates the detective division.

In a Calgary pub in 2010, 36-year-old barman Dexter Bain is brutally slain during a failed robbery; detectives use surveillance footage from a nearby store to find the suspect and stage a filmed sting operation to prove who pulled the trigger.

In Texas, on Christmas Eve 2010, a woman gets a mysterious phone call at work and speeds home to find her 12-year-old son gone without a trace; investigators look at those closest to the boy, but only surveillance footage can lead them to the truth.

Harm risks his career when he uncovers information linking a pilot's death to a classified military aircraft the government wants to keep secret at all costs.

Harm becomes the pawn of a CIA agent hoping to catch the killer of a Russian spy known for dealing in stolen secrets.

Margaret tries to save her struggling law firm by taking on a case involving a large cosmetics company with deep pockets; Todd is determined to crack an important investigation that will seal the fate of Crest, Folding & Wright, one way or another.

An investigation begins after a contract assassin targets a Navy lieutenant commander; information about Abby's family emerges after tests for a kidney donation.

When poachers almost kill a pregnant deer, the team tries to save the deer and the fawn; Happy and Toby discuss the future of their family.

A convicted murderer escapes and begins to kill again, and the assailant's original arresting officer, Mac Taylor (Gary Sinise), comes to help Horatio Caine recapture the felon.

Harm risks his career when he uncovers information linking a pilot's death to a classified military aircraft the government wants to keep secret at all costs.

Harm becomes the pawn of a CIA agent hoping to catch the killer of a Russian spy known for dealing in stolen secrets.

A convicted murderer escapes and begins to kill again, and the assailant's original arresting officer, Mac Taylor (Gary Sinise), comes to help Horatio Caine recapture the felon.

When poachers almost kill a pregnant deer, the team tries to save the deer and the fawn; Happy and Toby discuss the future of their family.

Margaret tries to save her struggling law firm by taking on a case involving a large cosmetics company with deep pockets; Todd is determined to crack an important investigation that will seal the fate of Crest, Folding & Wright, one way or another.

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

A convicted murderer escapes and begins to kill again, and the assailant's original arresting officer, Mac Taylor (Gary Sinise), comes to help Horatio Caine recapture the felon.

When poachers almost kill a pregnant deer, the team tries to save the deer and the fawn; Happy and Toby discuss the future of their family.

Harm risks his career when he uncovers information linking a pilot's death to a classified military aircraft the government wants to keep secret at all costs.

Harm becomes the pawn of a CIA agent hoping to catch the killer of a Russian spy known for dealing in stolen secrets.

While being carefully monitored by the Under Secretary of the Navy due to the identification of a mole in their department, the team lands an important case involving a Syrian terrorist.

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.

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.

In 2016, father Craig Rideout is reported missing after a strange home intrusion; within hours, police find a body matching Craig's description fifty miles away; using surveillance footage and forensics, detectives unravel an unbelievable plot.

Fraser and Kowalski try to thank a man for saving a boy's life and inadvertently reveal his identity as a federal witness.

Fraser and Kowalski protect Kowalski's ex-wife and her new boyfriend, a politician who has been receiving death threats.

An escaped inmate murders Debra Johnson, a highly respected Correctional Administrator, at her home outside the prison; with the public at risk, police scour through surveillance footage for clues to hunt him down before he strikes again.

In 2016, father Craig Rideout is reported missing after a strange home intrusion; within hours, police find a body matching Craig's description fifty miles away; using surveillance footage and forensics, detectives unravel an unbelievable plot.

Harm and Mac defend an ensign who claims she felt threatened by another officer and that killing him was simply self-defense.

The widow of Harm's best friend asks him for help after her son claims he witnessed a kidnapping and possible murder.

Meticulous attorney Margaret Wright hires her scruffy son as her law firm's in-house investigator.

The team searches an abandoned cargo vessel for a killer after a coast guard officer is gunned down; McGee and Tony search for Gibbs' perfect match.

While decommissioning an old nuclear missile, an accident causes the team to endure exposure to toxic vapor while trying to prevent the nuke from detonating; Paige confronts Happy about constantly tagging along with her and Walter.

Ryan's life is in jeopardy when the team is caught in the midst of a deadly divorce case.

Harm and Mac defend an ensign who claims she felt threatened by another officer and that killing him was simply self-defense.