McGee and Bishop travel to Afghanistan after a murder case in the states is linked to a string of soldiers killed by friendly fire overseas; Kasie leaves the lab and accompanies Torres into the field to process additional forensic evidence.

When evidence suggests a slain police officer was crooked, Horatio must find the killer in order to clear the victim's name.

The team members set aside their personal and romantic issues when hackers take over targeted U.S. military aircraft and war ships, pointing the weaponry at American cities.

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.

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

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

The family and friends of Adrienne McColl had no idea the heartbreaking news they were about to get - and the long road to justice they were about to embark on.

It was 1am on a cold, wet November night in 2011 when police found Leanne Freeman lying unconscious in a pool of blood; she later died in a downtown hospital, becoming Toronto's 42nd homicide of the year.

In 2016, in Kamloops, Canada, a motel cleaner finds the body of an unidentified woman in one of the rooms; detectives turn to surveillance cameras to track a mysterious suspect in a cowboy hat, leading to a desperate manhunt across Canada.

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 2021, talented high school football star KJ Taylor is killed during a drive-by shooting outside a West Virginia convenience store; CCTV helps detectives follow the trail of the truck spotted stalking KJ's friends leading up to the shooting.

In 2016, in Kamloops, Canada, a motel cleaner finds the body of an unidentified woman in one of the rooms; detectives turn to surveillance cameras to track a mysterious suspect in a cowboy hat, leading to a desperate manhunt across Canada.

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

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

Margaret and Francey enlist the help of a popular true crime podcaster to help exonerate a client who is serving a life sentence; Todd solicits dating advice from his sister and Susan when sparks fly between him and Lea.

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

When Walter is accidentally launched into space in a rocket, Team Scorpion must find a way to bring him home before his oxygen runs out.

The team investigates the wealthy residents of an airpark after a prop plane crashes into a Miami Beach.

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

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 team investigates the wealthy residents of an airpark after a prop plane crashes into a Miami Beach.

When Walter is accidentally launched into space in a rocket, Team Scorpion must find a way to bring him home before his oxygen runs out.

Margaret and Francey enlist the help of a popular true crime podcaster to help exonerate a client who is serving a life sentence; Todd solicits dating advice from his sister and Susan when sparks fly between him and Lea.

The team's holiday plans are put on hold when a murder investigation leads to the discovery of a newborn baby who has no identification and no apparent ties to a family.

The team investigates the wealthy residents of an airpark after a prop plane crashes into a Miami Beach.

When Walter is accidentally launched into space in a rocket, Team Scorpion must find a way to bring him home before his oxygen runs out.

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

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

Members of the team must assume undercover identities in Moscow in order to locate their suspects; Callen makes a discovery about his 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.

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, three women held hostage in a motel room by armed men face a night of terror that leaves 19-year-old Amber Meadows lying dead in the bathroom; detectives must follow a trail of surveillance footage to find out who pulled the trigger.

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.

In 2020, 21-year-old Dioneth Lopez goes missing while on a trip to visit friends. Her body turns up in the woodlands of Washington State. She is treated as a Jane Doe until detectives find surveillance footage that pieces together her final hour.

In 2018, three women held hostage in a motel room by armed men face a night of terror that leaves 19-year-old Amber Meadows lying dead in the bathroom; detectives must follow a trail of surveillance footage to find out who pulled the trigger.

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.

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 Margaret is disappointed that no one but Todd can attend her family Thanksgiving dinner, Todd tries to convince his brother to come home; Margaret's family inadvertently helps her crack a case involving an injured bank teller and robbery.

A malnourished and confused 9-year-old girl is found hiding in a storage unit; the team suspects the girl is the daughter of a Navy recruit who disappeared 10 years ago; Bishop discovers notes that Special Agent Ziva David kept on the case.

A boy from Ralph's class goes missing after having a run-in with a deadly criminal; Toby comes closer to discovering the identity of Happy's husband.

The team investigates the dangerous world of personal security when a rap star's (Xzibit) bodyguard is shot and killed during a concert.

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.

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

The team investigates the dangerous world of personal security when a rap star's (Xzibit) bodyguard is shot and killed during a concert.

A boy from Ralph's class goes missing after having a run-in with a deadly criminal; Toby comes closer to discovering the identity of Happy's husband.

When Margaret is disappointed that no one but Todd can attend her family Thanksgiving dinner, Todd tries to convince his brother to come home; Margaret's family inadvertently helps her crack a case involving an injured bank teller and robbery.

An old family friend pleads with Gibbs to join him on a road trip to search for a missing military ID bracelet; a Navy lieutenant in NCIS protective custody is poisoned by an infamous drug dealer.

The team investigates the dangerous world of personal security when a rap star's (Xzibit) bodyguard is shot and killed during a concert.

A boy from Ralph's class goes missing after having a run-in with a deadly criminal; Toby comes closer to discovering the identity of Happy's husband.

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.

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

Callen takes on a secret project, leaving the team in the dark; when Hetty shuts down Callen's operation, the team must locate him before he gets in trouble.

In 1995, 92-year-old Henrietta Knight is brutally beaten during a home invasion, managing to escape but dying months later; a connection appears 20 years later as police find links to a bank robbery, a car bombing and multiple murders.

Three murders spark a police investigation into the Wolfpack Alliance, a crew of gangsters running operations connected to Mexican cartels; an escape leaves authorities at a loss and the public looking for justice.

On Valentine's Day, police discover Demetrius Graves fatally stabbed on the street; two days later, Bonnie Ross turns up dead at home; a trail of CCTV evidence uncovers that these two very different people share one fateful connection.

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 2010, three men are murdered in a convenience store in Minneapolis's Somali community; the store's CCTV system uncovers evidence of a robbery gone wrong; footage from cameras around the city could offer clues to the killer's identity.

On Valentine's Day, police discover Demetrius Graves fatally stabbed on the street; two days later, Bonnie Ross turns up dead at home; a trail of CCTV evidence uncovers that these two very different people share one fateful connection.

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.

Preview of "Invisible Monsters: Serial Killers in America.".

Weaving together the stories of five of America's most notorious serial killers: Ted Bundy, John Wayne Gacy, Jeffrey Dahmer, the Green River Killer and BTK.

A man ordered into custody attempts a daring escape from court; a judge doesn't appreciate a defendant's constant interruptions; a woman faces off against her mother, who tried to frame her for murder.

A man charged with murder attempts a bold escape; an attorney is attacked by his own client; a man blames his pet for cursing at a judge.

A look at some of the wildest courtroom moments; a wrestling move lands a teenager in court; a man due at a hearing, instead runs from the courthouse; a defendant's comment offends a judge.

A look at some of the wildest courtroom moments; a defendant has multiple outbursts at trial; a man about to be sentenced attempts a courtroom escape; a judge is frustrated by a defendant's constant disruptions.

Horatio goes to New York to work with his counterparts on a murder investigation. Guest star Gary Sinise.

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.

Horatio goes to New York to work with his counterparts on a murder investigation. Guest star Gary Sinise.

When searching for a missing woman, law enforcement on Long Island stumble upon the remains of other victims; as the killer of the so-called "Gilgo Four" remains elusive, police come to believe that the monster himself may live among them.

After Rex Heuermann is arrested and charged as the Gilgo Beach killer, a feverish hunt for information is undertaken - but his family isn't talking; now, for the first time, the loved ones of the alleged killer speak publicly.

With a mountain of seemingly damning evidence stacking up against him, Rex Heuermann's family struggles to understand how their beloved patriarch could be the monstrous serial killer law enforcement claims he is.

Preview of "Invisible Monsters: Serial Killers in America.".

Weaving together the stories of five of America's most notorious serial killers: Ted Bundy, John Wayne Gacy, Jeffrey Dahmer, the Green River Killer and BTK.

A man ordered into custody attempts a daring escape from court; a judge doesn't appreciate a defendant's constant interruptions; a woman faces off against her mother, who tried to frame her for murder.

A man charged with murder attempts a bold escape; an attorney is attacked by his own client; a man blames his pet for cursing at a judge.

A look at some of the wildest courtroom moments; a wrestling move lands a teenager in court; a man due at a hearing, instead runs from the courthouse; a defendant's comment offends a judge.

A look at some of the wildest courtroom moments; a defendant has multiple outbursts at trial; a man about to be sentenced attempts a courtroom escape; a judge is frustrated by a defendant's constant disruptions.

In 2004, a young Calgary family settled in for the evening; at about 9 pm, the husband left for work as a security guard, while his wife stayed home with their two children; in the middle of the night, she woke to the sound of shattered glass and within minutes the entire home was engulfed in flames; after desperate attempts to reach her children failed, the mother managed to escape; senior crime reporter Nancy Hixt shares the unexpected twists the investigation took into who was responsible.

Susan Tice and Erin Gilmour are found dead and assaulted; the women don't know each other and both cases remain unsolved for decades; 40 years later, the killer is arrested, charged and convicted thanks to genetic genealogy research.

In 2018, an explosion kills Anthony House on his doorstep; as police investigate, another bomb goes off, killing teen Draylen Mason; it becomes clear that Austin, Texas, is under attack from a serial bomber; police must use CCTV to track him down.

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.

In 2017, in San Diego, 28-year-old musician Omar Medina goes missing; his family's worst fears are confirmed when his body turns up in a barrel floating in the bay; police turn to surveillance footage to track down the people responsible.

In 2018, an explosion kills Anthony House on his doorstep; as police investigate, another bomb goes off, killing teen Draylen Mason; it becomes clear that Austin, Texas, is under attack from a serial bomber; police must use CCTV to track him down.

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.

A strict mother and a lenient mother face off for eight days, each fighting to prove that her parenting style is the only way to raise successful adults.

A life coach for pornography addicts and an adult film star debate the impact of pornography on society.

In Columbia, South Carolina, a serial killer snatches a 15-year-old girl from her best friend's front yard.

"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.

All evidence points to the film distributor, who also happens to be a registered sex offender, in the investigation of an adult film star's murder, but an accident at the lab may taint a key piece of evidence.

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.

All evidence points to the film distributor, who also happens to be a registered sex offender, in the investigation of an adult film star's murder, but an accident at the lab may taint a key piece of evidence.

A strict mother and a lenient mother face off for eight days, each fighting to prove that her parenting style is the only way to raise successful adults.

A life coach for pornography addicts and an adult film star debate the impact of pornography on society.

In Columbia, South Carolina, a serial killer snatches a 15-year-old girl from her best friend's front yard.

"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 strict mother and a lenient mother face off for eight days, each fighting to prove that her parenting style is the only way to raise successful adults.

A life coach for pornography addicts and an adult film star debate the impact of pornography on society.

In Columbia, South Carolina, a serial killer snatches a 15-year-old girl from her best friend's front yard.

"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.

One night in 1973, as Peter Demeter pulls his Mercedes into his driveway, the body of his wife Christine Demeter is revealed; investigators launch an epic investigation and discover a story and cast of characters that is stranger than fiction.

A look at some of Canada's most infamous criminal cases that have had lasting impacts on communities and the justice system; featuring extensive archival footage and intimate family interviews.

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

Kowalski and Fraser begin an investigation that reveals the dark side of boxing after one of Kowalski's students injures someone in the ring.

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

In 2017, Alisha Canales-McGuire is shot dead at her sister's house; evidence points to a targeted attack, but detectives can find no motive until CCTV and social media lead to a tangled murder plot and a twist of fate.

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

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.

When Lyle's niece is accused of committing a crime on her college campus, Lyle enlists Margaret and Todd to vindicate her.

The NCIS team investigates a man overboard fatality from a Navy destroyer at sea; Torres is frustrated with Vance's assignment to mentor three high school students.

A simple job at the Los Angeles Natural History Museum turns deadly when thieves steal things from a rare gem exhibit to get the materials they need to make a nuclear bomb.

When a man is murdered as he tries to pay his son's ransom with $3 million worth of jewels, the CSI team is called to investigate and one member of the group is killed in the line of duty.

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.

When a man is murdered as he tries to pay his son's ransom with $3 million worth of jewels, the CSI team is called to investigate and one member of the group is killed in the line of duty.

A simple job at the Los Angeles Natural History Museum turns deadly when thieves steal things from a rare gem exhibit to get the materials they need to make a nuclear bomb.

When Lyle's niece is accused of committing a crime on her college campus, Lyle enlists Margaret and Todd to vindicate her.

McGee reluctantly visits his high school after the unique computer password he used as a teenager is linked to the murder of a department of defense contractor; an intruder breaks into McGee's home in an attempt to steal his high school computer.

When a man is murdered as he tries to pay his son's ransom with $3 million worth of jewels, the CSI team is called to investigate and one member of the group is killed in the line of duty.

A simple job at the Los Angeles Natural History Museum turns deadly when thieves steal things from a rare gem exhibit to get the materials they need to make a nuclear bomb.

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.

When DEA Agent Talia Del Campo's (Mercedes Mason) partner is murdered, she turns to the team for help; Kensi thinks Deeks is hiding something.

Jolene Riendeau, a 10-year-old girl, disappears without a trace from a Montreal neighborhood, she was last seen at a local convenience store; her remains were unearthed twelve years later near a bridge and her parents are still searching for answers.

True crime novels are often topping best sellers lists; to explore the reason of public fascination with this genre of storytelling, "Crime Beat" sits down with five authors pushing the boundaries of true crime.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece; detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

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.

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

On April 3rd, 2017, Assistant Chief Deputy Clint Greenwood is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas; no eye witnesses, but maybe security cameras lead them to Clint's killer.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece; detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

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.

Margaret asks Todd for help on a seemingly straightforward wrongful termination case over a dating app, but with Todd's investigation, they quickly realize it's much more complicated; tensions between Margaret and Gus simmer.

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

Team Scorpion explores a deep cave system in an effort to prevent a bat population from harming the North American ecosystem; the team dons Halloween costumes for Walter's impending immigration inspection.

A drive-by shooting from a boat leaves a beach partier dead, and the CSI team protects the 8-year-old witness during the search for the killer.

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.

A drive-by shooting from a boat leaves a beach partier dead, and the CSI team protects the 8-year-old witness during the search for the killer.

Team Scorpion explores a deep cave system in an effort to prevent a bat population from harming the North American ecosystem; the team dons Halloween costumes for Walter's impending immigration inspection.

Margaret asks Todd for help on a seemingly straightforward wrongful termination case over a dating app, but with Todd's investigation, they quickly realize it's much more complicated; tensions between Margaret and Gus simmer.

Jimmy is torn between family and work after his father-in-law asks him to tamper with evidence in a current murder investigation; Ed's poker buddy offers to help with the case.

A drive-by shooting from a boat leaves a beach partier dead, and the CSI team protects the 8-year-old witness during the search for the killer.

Team Scorpion explores a deep cave system in an effort to prevent a bat population from harming the North American ecosystem; the team dons Halloween costumes for Walter's impending immigration inspection.

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.

The NCIS team investigates a Peruvian massacre that occurred 20 years ago after it learns that a fashion model, who may have survived the incident, may now be in danger.

Curious about why the owner of an expensive sports car would be outside a notoriously seedy Toronto motel, police knock on the door and are met with gunfire; over the next several hours, hundreds of bullets are fired in the biggest shootout in the city's history; when the onslaught is over, the ensuing investigation uncovers a string of crimes leading back to the elderly owners of a B.C. gun shop.

Two brothers entered a bank in Saanich, B.C. dressed in body armor and armed with semi-automatic rifles; they demanded money and took everyone inside as hostages; then, instead of escaping with the cash, the brothers paced inside the bank as police arrived on scene before a hailstorm of bullets suddenly erupted resulting in two deaths and many people with their lives forever changed.

Shirley Shell is a loving wife and the dedicated mother of three children and two grandchildren, but in 2007, Shirley is found brutally murdered at home in Edmond, Okla.

During a night of full-moon madness, Ray punches a hole in the interrogation room wall and finds a perfectly preserved corpse.

Fraser must find a flight attendant's killer before her RCMP father starts an international incident.

Josh Richards is shot execution style in the middle of a nightclub in Appleton, Wis.; when detectives delve deeper into the investigation, they discover a camera has the potential to reveal the identity of a killer.

Shirley Shell is a loving wife and the dedicated mother of three children and two grandchildren, but in 2007, Shirley is found brutally murdered at home in Edmond, Okla.

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.

When Margaret finds herself on the verge of losing a prominent case involving the murder of an investigative journalist, Todd seeks help from an unlikely source - his imprisoned ex-girlfriend, Veronica.

Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene; someone from Sloane's past is a key witness in the case.

On election day, someone tries to create turmoil in the U.S. presidential election, and Team Scorpion is called to investigate.

When a young woman is pushed in front of a moving bus, the CSI team suspects her boyfriend; Calleigh's father fears he may have killed someone after a night of drinking.

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.

When a young woman is pushed in front of a moving bus, the CSI team suspects her boyfriend; Calleigh's father fears he may have killed someone after a night of drinking.

On election day, someone tries to create turmoil in the U.S. presidential election, and Team Scorpion is called to investigate.

When Margaret finds herself on the verge of losing a prominent case involving the murder of an investigative journalist, Todd seeks help from an unlikely source - his imprisoned ex-girlfriend, Veronica.

Torres relies on his team's investigative skills after he wakes up on a dilapidated fishing boat and is covered in blood and unable to remember the last 12 hours.

When a young woman is pushed in front of a moving bus, the CSI team suspects her boyfriend; Calleigh's father fears he may have killed someone after a night of drinking.

On election day, someone tries to create turmoil in the U.S. presidential election, and Team Scorpion is called to investigate.

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.

When Sam and Callen receive a cellphone, the caller threatens innocent lives if his instructions are not followed.

Audrey Trudeau moves to Calgary in the late 90's in search of a fresh start following a divorce; then, on the eve of an exciting new opportunity, she suddenly vanishes; her disappearance puzzles her loved ones.

A young female taxi driver is found murdered in 1990; investigators work to come up with a viable suspect, but the case goes cold; Senior Crime reporter Nancy Hixt goes through the investigation and shares what finally led to a break in the case.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

After Kowalski is framed for the murder of a crime boss, Fraser places him under arrest at the Canadian consulate.

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.

In June 2016, Larry Weaver decides to spend the night in Sikeston, Mo., while on his way home to his wife; there's no sign of him or his bike the next day, but security cameras could help the police.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

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

Harm and Mac head to a small naval station in Florida to try an enlisted man accused of murdering a civilian; Coates, who goes along to assist, winds up sitting on the jury panel and nearly causes a mistrial.

When Margaret's client faces an attempted murder charge, she mounts a creative defense to prove her client's innocence; Todd takes an experimental drug to find evidence; Allison finds herself in trouble and reaches out to Todd for help.

After entering cold case DNA into the system, Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free; McGee visits an elite technology company in Silicon Valley that is offering him a high-paid position.

While in Ireland for Megan's one-year memorial, Walter discovers a natural disaster at a nearby lake has created a poisonous cloud that threatens an entire village; Cabe and Toby try to ease the tension between Tim and Walter.

After students use e-mails and text messages to organize a spontaneous gathering at a golf course, the body of a high-school senior is found.

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

Harm and Mac head to a small naval station in Florida to try an enlisted man accused of murdering a civilian; Coates, who goes along to assist, winds up sitting on the jury panel and nearly causes a mistrial.

After students use e-mails and text messages to organize a spontaneous gathering at a golf course, the body of a high-school senior is found.

While in Ireland for Megan's one-year memorial, Walter discovers a natural disaster at a nearby lake has created a poisonous cloud that threatens an entire village; Cabe and Toby try to ease the tension between Tim and Walter.

When Margaret's client faces an attempted murder charge, she mounts a creative defense to prove her client's innocence; Todd takes an experimental drug to find evidence; Allison finds herself in trouble and reaches out to Todd for help.

After human remains are discovered at a construction site, NCIS investigates the murder of a Marine major believed to have been killed in the 9/11 attack on the Pentagon; a personal history with the victim drives Gibbs to solve the crime.

After students use e-mails and text messages to organize a spontaneous gathering at a golf course, the body of a high-school senior is found.

While in Ireland for Megan's one-year memorial, Walter discovers a natural disaster at a nearby lake has created a poisonous cloud that threatens an entire village; Cabe and Toby try to ease the tension between Tim and Walter.

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

Harm and Mac head to a small naval station in Florida to try an enlisted man accused of murdering a civilian; Coates, who goes along to assist, winds up sitting on the jury panel and nearly causes a mistrial.

When NCIS Special Agent DiNozzo's prisoner escapes custody, he turns to the Los Angeles team for assistance.

Crime Specialist Catherine McDonald recounts the story about of an obsession so deep it led to the death of an innocent child.

Reporter Mark Carcasole shares Tammy's harrowing story and learns more about the man whose testimony, she says, destroyed her life.

A family's worst nightmare begins when 23-year-old Christina Morris goes missing while out with friends in Plano, Texas; police franticly search to find her alive, but it's the discovery of surveillance camera footage that reveals the shocking truth.

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.

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

In 2017, Chinese exchange student Yingying Zhang mysteriously vanishes from the University of Illinois campus; police and the FBI turn to surveillance footage to uncover the shocking and sinister reality.

A family's worst nightmare begins when 23-year-old Christina Morris goes missing while out with friends in Plano, Texas; police franticly search to find her alive, but it's the discovery of surveillance camera footage that reveals the shocking truth.

Harm and Mac travel to Afghanistan in search of a Marine captain who deserted his unit and organized a group of local tribesmen to hunt down Osama bin Laden.

Harm and Mac find themselves on opposing sides when a Navy psychiatrist is charged with sending a soldier, suffering from combat stress, back into battle too soon.

Lawrence and the governor seek Margaret's help with a personal legal matter related to the governor's sister.

The team investigates the murder of a Marine sergeant who was hailed as a war hero for his efforts overseas; Gibbs turns to Dr. Grace Confalone for advice after he uncharacteristically unravels and abandons his team at a crime scene investigation.

When Paige's estranged mother stumbles upon a forgotten nuclear reactor precariously close to exploding, she calls on the team for help.

The CSI team tracks the killer of an 18-year-old woman, an investigative aide for Alcohol Beverage Control who was monitoring underage drinking when she was murdered at a hip Miami nightclub.

Harm and Mac travel to Afghanistan in search of a Marine captain who deserted his unit and organized a group of local tribesmen to hunt down Osama bin Laden.

Harm and Mac find themselves on opposing sides when a Navy psychiatrist is charged with sending a soldier, suffering from combat stress, back into battle too soon.

The CSI team tracks the killer of an 18-year-old woman, an investigative aide for Alcohol Beverage Control who was monitoring underage drinking when she was murdered at a hip Miami nightclub.

When Paige's estranged mother stumbles upon a forgotten nuclear reactor precariously close to exploding, she calls on the team for help.

Lawrence and the governor seek Margaret's help with a personal legal matter related to the governor's sister.

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

The CSI team tracks the killer of an 18-year-old woman, an investigative aide for Alcohol Beverage Control who was monitoring underage drinking when she was murdered at a hip Miami nightclub.

When Paige's estranged mother stumbles upon a forgotten nuclear reactor precariously close to exploding, she calls on the team for help.

Harm and Mac travel to Afghanistan in search of a Marine captain who deserted his unit and organized a group of local tribesmen to hunt down Osama bin Laden.

Harm and Mac find themselves on opposing sides when a Navy psychiatrist is charged with sending a soldier, suffering from combat stress, back into battle too soon.

Sam's former partner, Ruiz (Anthony Ruivivar), goes missing while purchasing a dangerous explosive during an undercover operation.

When series of cabins are raided in northern B.C., and then a reclusive trapper suddenly goes missing, police believe the crimes could be connected; as Jules Knox reports, that triggers a series of events that leaves one Mountie dead.

Reporter Caryn Lieberman travels to Kingston to hear from the families and survivors reclaiming their voices in order to tell the story of 34-year-old Yvonne Rouleau, tortured and murdered at the Nozzles Gas Bar where she worked at.

Young professional Sasha Samsudean disappears after a night out in downtown Orlando, Fla.; detectives turn to video surveillance footage to unravel the mystery and bring Sasha's killer to justice.

Fraser must protect his friend 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.

Michele Davis dies after a traffic accident on the interstate near Des Moines, Iowa; surveillance cameras show that what first appeared as an accident could be something more sinister.

Young professional Sasha Samsudean disappears after a night out in downtown Orlando, Fla.; detectives turn to video surveillance footage to unravel the mystery and bring Sasha's killer to justice.

A brash new JAG attorney (Chris Beetem) has an unorthodox style that angers and intrigues Mac.

A brash new JAG attorney (Chris Beetem) has an unorthodox style that angers and intrigues Mac.