The NCIS team and the Coast Guard Investigative Service work together when a Navy Admiral's daughter is the prime suspect in a double murder on a research boat; LaSalle looks for his estranged brother.

After a string of armed robberies targets various businesses, the team investigates a suspect who leads them to something much bigger; OA worries about his future when his investments begin to go south.

When an off-duty diplomatic security agent is fatally shot in New York City trying to apprehend someone, the team investigates if there's a connection to his time working in Croatia.

Maggie calls in Remy to aid Scola in his undercover mission to find the terrorists believed to be responsible for the imminent attack in New York.

When the deputy commander of an Air National Guard Base is kidnapped, the team must work quickly to find the suspect along with stolen ammunition; Scola questions his own safety in the aftermath of a recent traumatic experience.

When a trucker is gunned down after a routine trip from Canada, all signs point the team to a noted criminal on the FBI's Most Wanted Terrorists list; Jubal gets to work with an old friend and colleague, Detective Jack Lombardo.

A drug dealer is shot in a federal park and the team sets out to look for his killer; Maggie's sister returns to New York and complicates the case.

An explosion sends a top-secret submarine to the bottom of the ocean with limited oxygen, a self-destruct function that's about to activate, and Walter, Cabe and Happy on board.

The members of the team go undercover on a movie set in Kazakhstan in hopes of disabling a Soviet-era nuclear missile being sold by terrorists.

A nefarious virus is uploaded to Walter's computer, turning the team's new "smart" building project into a death trap with people locked inside.

Gibbs reluctantly works with Trent Kort (David Dayan Fisher) to put away one of the department's most-wanted criminals.

When Abby is asked to take over for a government scientist who has gone missing, the team fears that she will meet the same fate as her predecessor.

The murder of a Marine brings McGee and Gibbs to Los Angeles for a joint investigation with the NCIS office of special projects; Tony looks into Ziva's personal life.

Prentiss and J.J. are faced with important decisions to make about their futures as the BAU travels to Texas to investigate a series of murdered businessmen.

Rossi develops some new theories about Everett Lynch, aka The Chameleon; the team sets out on an epic hunt to capture Lynch.

While hallucinating after he gets a brain injury, Dr. Reid is visited by ghosts from his past; the BAU makes a shocking discovery about Lynch that affects Rossi personally; the team comes together to celebrate Rossi's retirement.

The BAU interviews candidates to take the opening left by Kate's departure; the team tracks a serial killer who leaves behind evidence that indicates a person intent on revenge.

The team must find the person responsible for a sarin gas attack on a Los Angeles bus before a larger incident occurs.

The team suspects a jilted unknown subject is responsible when brides are murdered on the eve of their nuptials.

When a robbery-homicide leaves three restaurant employees dead, a cold case that occurred in the same town six years earlier could yield a lead.

A notorious street artist becomes a suspect when corpses are used in macabre graffiti art in Detroit; Dr. Lewis tries to balance work and her relationship with her fiance.

After learning, he was poisoned with a deadly dose of radiation, a Navy lieutenant commander asks Pride and the team to solve his imminent murder.

An agent is killed while working on a security detail for the Vice Chief of Naval Operations; Brody's past is evaluated.

A petty officer is murdered during Mardi Gras festivities; Pride contemplates what to tell his daughter about his strained relationship with his father.

The NCIS team tries to narrow down the motive when a Navy recruiter is murdered in a hit-and-run; Lasalle worries about his brother.

All eyes are on the team when it tries to find out who kidnapped the only child of a prominent U.S. senator; the abduction also uncovers a potential link to a similar case that was pushed to the side by local authorities.

After finding a group of teens dead from a drug overdose, the team races to find the dangerous dealer and his supplier; OA questions where he stands in his faith.

When a prominent doctor is found dead in a ritualistic slaying, the team must race against time to hunt down a religiously motivated serial killer; Scola faces a life-or-death decision.

When a bus explosion kills several innocent people, the team jumps into action to take down the responsible terrorist organization; Scola tries to balance fatherhood with the job.

After the president of the NY Fed is gunned down trying to help a young woman in peril, the team races to find the killer and the missing woman.

When a local club owner is found dead, the team works quickly to find the motive behind the murder of a seemingly innocent man; OA is smitten with a new love interest but is concerned that she's mixed up with the wrong crowd.

A nefarious virus is uploaded to Walter's computer, turning the team's new "smart" building project into a death trap with people locked inside.

The team must intervene when Paige and Ralph are on a sabotaged, runaway subway train; Toby tries to impress Happy during his first boxing match.

The members of Team Scorpion take a lucrative job locating a top-secret aircraft in Area 51 for the CIA.

Tony questions Ziva's loyalty to NCIS; Special Agent Callen (Chris O'Donnell) goes undercover; Nate Getz (Peter Cambor) discovers the truth about Special Agent Macy and Gibbs' relationship.

Gibbs and the team must work with ICE and FBI agents when a security breach results in the death of an ICE agent; Tony comes face to face with Michael Rivkin (Merik Tadros).

Ziva has a tense reunion with her father, the head of Mossad; Gibbs is forced to make a shocking decision.

A murder in a Florida community of sex offenders results in many possible suspects; a career opportunity could take Lewis away from the BAU.

Rossi's daughter, a journalist, investigates the disappearance of a college student; JJ comes back from maternity leave.

An unknown subject in Phoenix abducts people and deprives them of sleep; Garcia and Hotch deal with a threat from hit men.

The BAU works with the NSA when two undercover DEA agents are murdered and another goes missing; Hotch hopes the team's work with the NSA will bring them closer to finding a ring of hit men.

The members of the BAU team track an unknown subject who appears to be fascinated with medical experimentation.

Reid plays a central role in the BAU's elaborate plan to take down a ring of hit men known as the Dirty Dozen.

When corpses are discovered in public places in Boston, a ride-sharing service may lead the team to the killer.

The BAU looks for a suspect and a motive when victims are found in truck stop restrooms in the South.

Pride believes Baitfish has returned and has the NCIS team chase down leads in an attempt to locate him.

When a sailor is killed in a strip club, the murder weapon turns out to be linked to other unsolved cases; Brody receives a visit from her ex-fiance.

During the autopsy of a petty officer who seems to have died of natural causes, an armed man holds Wade, Sebastian and Danny hostage in the morgue.

When a Navy commander's car is stolen with his baby inside, the team must determine if it was a targeted abduction.

When a federal judge is gunned down in broad daylight, the team is sent looking for a suspect with ties to a local Islamic center; Maggie reunites with a former colleague.

When the director of a Brooklyn migrant center is abducted and held hostage along with his wife, the team must work quickly to meet the demands of their kidnapper; Maggie picks Jessica's brain about motherhood.

After multiple people are targeted and killed with a poisonous gas in broad daylight, the team races to find the killer; Maggie continues to explore motherhood.

When a bombing at a local restaurant leaves several injured or dead, including a congresswoman and someone close to Isobel, the team races to apprehend the suspect before another explosive goes off.

After an employee of the U.S. Army is shot in an industrial park, the team works to track down the killer who reveals a larger plot at play; Tiffany continues to struggle with the guilt surrounding Hobbs' death.

When a retired FBI agent is tortured and killed while working a security job, Scola and Nina go undercover as a married couple deep in the diamond game as the team tries to find out who is responsible.

Detectives search for an anonymous blogger who has posted plans to blow up a school; Lt. Van Buren struggles to keep her personal issues private.

A troubled young man (guest star Wil Horneff) motivated by his religious beliefs becomes the prime suspect in a double homicide.

The murder of a high-school English teacher reveals a love triangle involving a 16-year-old and her faculty lover.

A rock singer's body is found in a garbage can with large amounts of heroin and cocaine in her system.

Detectives hope vacation video shot by a couple will help lead them to the murderer of an actress found shot to death in her apartment, but matters get complicated when the tourists decide to make a quick buck by selling the tape to a TV station.

A diamond ring identifies the skeletal remains of a murder victim who was believed killed in the World Trade Center collapse.

Detectives suspect a young bride and her reputed lover (guest stars Gretchen Egolf and Bobby Cannavale) hired a hit on her husband.

The acquittal of an alleged cop-killer leads to the murder of a defense attorney and a suspect who may belong to a white supremacy group.

Detectives accuse a professional ballplayer of killing the limousine driver who supplied him with steroids.

The smoldering corpse of an Asian girl is found outside the Chinese consul general's apartment, and detectives suspect she immolated herself as a political statement.

Detectives suspect foul play when a teenager dies after being struck by a vehicle in front of a coffee shop.

When half of a two-man gambling operation is found murdered, the detectives finger his partner as the prime suspect.

A vigilante priest kills a notorious drug dealer in the name of God; Briscoe is reminded of his daughter's death at the hands of a trafficker.

Two seemingly unrelated murders, stolen jewels and a case of mistaken identity lead to a defendant being tried for a crime without being present at the trial. Mandy Patinkin and Andrew McCarthy guest star.

A law-school grad uncovers a sinister secret about the Tennessee firm that made him an offer he couldn't refuse.

Mobsters and lawyers (Susan Sarandon, Tommy Lee Jones) hound a boy who knows about the missing corpse of a U.S. senator.

A law-school grad uncovers a sinister secret about the Tennessee firm that made him an offer he couldn't refuse.

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

NCIS investigates Marine Cpl. Laney Alimonte after evidence suggests she murdered her neighbor while being treated for insomnia by a hypnotherapist; Gibbs befriends his new neighbors after the 9-year-old's baseball crashes through his window.

After a petty officer's son is found murdered, evidence suggests Kasie's lifelong best friend is guilty.

After an FDIC security guard is killed while tending to a pregnant woman in distress, the team works to locate the woman and the killer who took her hostage; OA and Isobel worry about Maggie as she navigates taking care of Ella.

The team is thrown into a highly political case after four members of the Taliban are shot and one is kidnapped in New York with no record of their entrance into the country; OA struggles to open up to Gemma about his past in Afghanistan.

When a truck driver is murdered and the drug he was transporting goes missing, the team hunts for those behind the remaining batch that is already wreaking havoc on the streets of New York.

After losing everything, the Rose's are forced to move to their only remaining asset, the town of Schitt's Creek.

Johnny tries to get permission to sell the town; David and Alexis spend a night out with the locals.

Johnny tries to have an offensive sign removed; David searches for a job.

Johnny and Moira attempt to get to know their children; Alexis believes that Mutt is having an affair with the mayor's wife.

When Johnny and Moira use the mayor's cabin for the night, Alexis and David throw a party.

Moira is hired to be a local winery's spokesperson; David struggles with a health problem.

David joins some townies on a turkey hunt; Jocelyn and Moira have a spa day; Alexis meets Ted, the town veterinarian.

Moira and David try to sell cosmetics to the locals; Johnny tries to collect unemployment insurance.

Johnny agrees to speak at a stranger's funeral; Alexis struggles with her boyfriend's love of animals.

Johnny and Moira go to Roland's Hawaiian party; Alexis and Ted host a dinner party; David and Stevie's relationship heats up.

Moira's sister Deedee visits; David agrees to talk to a student about being different.

Johnny tries to plan a surprise party for Moira's birthday, but she ends up taking over his plans.

Johnny finds a potential buyer for the town; David and Alexis realize they have become attached to Schitt's Creek.

The Roses search for their missing son; even though she's engaged to Ted, Alexis takes her relationship with Mutt to the next level.

Moira decides to cook dinner with David's help; Johnny looks at an office for his business; Alexis comes clean with Ted.

Moira tries to join the a cappella group; Alexis enjoys her new relationship; Johnny helps out at Bob's Garage.

Johnny and Moira go to an estate sale; Mutt gives Alexis a bike; Roland asks for David's help to shop for a special item.

Johnny convinces himself to have a partnership with Bob; David has an interview at a clothing store; Moira takes care of Alexis.

Moira tries to beautify the town; David misuses the company credit card; a grooming misstep forces Alexis and Mutt to question their relationship.

Johnny considers running for town council; David and Stevie look for love; Alexis copes with being single.

Johnny gets thrown into the raw milk business; Moira tries to connect with the townspeople; David gives style advice.

Moira is worried that racy photos from her past will jeopardize the campaign; Johnny asks for financial help; Alexis gets a job.

Johnny and Moira meet with a key demographic; Alexis struggles with her new job; David offers emotional support to his boss' daughter.

Johnny and Moira have to deal with a surprise motel guest; Alexis and David go apartment hunting.

Moira's campaign takes a turn when some of her lawn signs mysteriously disappear; David and Alexis must work together to get David's boss out of legal trouble.

Johnny and Moira see a couple they knew in a past life; Alexis and David go to Mutt's annual barn party.

LaSalle's brother, Cade, needs the team's help when he becomes a murder suspect -- and cannot remember what happened; LaSalle is determined to prove Cade's innocence, despite the wealth of evidence against him.

Baitfish murders a person close to the team in order to send a message to Pride; a citywide hunt for the elusive criminal takes place.

Pride has suspicions about a mole; new intelligence comes to light that indicates a breach at the ports.

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

The NCIS team investigates the murder of a musician in the Navy's most elite band.

The NCIS team investigates a petty officer's murder that was livestreamed on a popular gaming app; Gibbs watches his 11-year-old neighbor when his mom must leave on a last-minute trip.

Gibbs and the team assist Ziva with "the one thing" she said she would need to take care of before returning to see her family.

Gibbs must face the reality of his actions after he assists Ziva with "the one thing" she said she would need to take care of before returning to her family.

With the weight of the past on their minds, Gibbs and the team go back to work, with DiNozzo and McGee beginning a search for Ziva's replacement.

An investigation into the bizarre death of a Marine and two friends seems linked to Gibbs' past.

The team takes a second look into a lieutenant's death after the blogger who accused them of a cover-up turns up dead.

Johnny searches for a new purpose; Moira faces the realities of politics.

David and Stevie try to come to terms with their new relationship; Alexis and Moira plan a mother/daughter lunch.

Johnny and Moira try to get a deal on a used car; David helps Stevie put her great aunt to rest.

Johnny and Moira worry about the future of the motel; David panics at the thought of retaking his driving test.

Johnny puts the motel in jeopardy when he rents rooms to a dubious enterprise; David helps Moira with a film audition.

Johnny and Stevie pitch a deal to a nearby golf course; Moira tries to get out of Twyla's murder mystery party.

David comes up with a new business venture; Alexis adjusts to her first day of school.

While setting up his business, David meets a new friend; Johnny defends Alexis' work; Moira deals with a difficult guest.

Moira and Roland end up in a compromising situation; Alexis comes in between David and Patrick.

David's ex comes to town to do a photoshoot for Moira; Johnny and Roland think Bob is cheating at poker.

Johnny tries to stop the spread of lice; Moira tries to get out of having a garden named after her.

Johnny and Moira look for a location for the family portrait; David hosts a soft launch for the new store.

Johnny and Stevie celebrate having a fully booked hotel; David and Patrick go on a date.

Moira feels responsible for a hotel guest's death; David and Patrick make their romance official.

Johnny prepares himself after finding a positive pregnancy test; David and Patrick search for privacy.

Moira prepares for her headline debut at the Asbestos Fest; David deals with some loitering teens in the apothecary.

Alexis and Twyla go out for a girls' night; David gets a lesson on compromise.

A rumour that Moira died appears online; Roland asks Johnny to be the godfather of his child.

David and Patrick host an open mic night; Johnny and Stevie start rebranding the hotel.

The Roses plan a barbecue; David confronts his comfort level with Patrick; Alexis investigates a mysterious text.

David and Stevie set out on a romantic getaway; Johnny steps in at a Jazzagals rehearsal and wows everyone with his skills; Alexis tests out a dating app.

David looks for a way to reconcile with Patrick after spending time away from him; Moira pitches the idea of a singles week event.

Johnny and Moira get too involved at a singles event; Alexis runs into an old friend.

Moira tries to get out of jury duty; David runs damage control for a Rose Apothecary product.

Singles Week kicks off just as Jocelyn's baby is born; Patrick and David take their relationship to the next level.

Johnny wants to celebrate the holidays with an old-fashioned Rose Family Christmas Party, but it takes a lot to get everyone on board at the last minute; Moira brings a negative attitude to Christmas tree shopping.

Pride and the team must go on a dangerous undercover mission to retrieve a stolen missile and prevent an attack.

A blogger dedicated to exposing government corruption is murdered; during the investigation, it is revealed that a war crime may have occurred during a humanitarian effort in Bolivia.

When a highly regarded Navy pilot is killed after crashing a new, high-tech jet at an air show, the team must determine if it was human or mechanical error.

The NCIS team investigates when a Navy drone pilot is murdered after using a black market drone to obtain military surveillance.

When an Australian Royal Navy Lieutenant is murdered in New Orleans, Special Agent Naomi Parsons (Kate Beahan) is sent to work with Special Agent Pride.

When a petty officer is found dead, the team's participation in the annual Red Dress Run comes to a halt.

When a car salesman is found bludgeoned to death, Detectives Briscoe and Green search for his last customer.

A cosmetics tycoon (Lucie Arnaz) is involved in controversial stock transactions, scandalous affairs and hormone-replacement therapy.

A media-savvy attorney (Gregory Hines) defends a black teenager accused of shooting an off-duty police officer.

Detectives investigating a cabdriver's death discover his last fare was a gifted writer with a violent streak.

After a woman's body turns up in the East River, the detectives discover she recently had attended a professional football player's birthday party.

Moira films a movie in Bosnia, hoping to revive her career; David tries to take his relationship to the next level.

Moira loses sleep stressing over old love letters; David and Stevie get held up at the store.

Alexis and Johnny come up with a plan to impress a motel reviewer; David and Patrick look for an apartment.

Johnny finds himself under financial pressure with the arrival of Moira's high-priced red carpet gown for the Crows movie premiere; David is conned into taking a road trip with Stevie.

Ted finally lets loose at David and Patrick's housewarming party; Johnny and Moira baby-sit Roland Jr.

Moira and the Jazzagals take Jocelyn to the casino; Johnny has a conversation with Stevie about intimacy in the workplace.

Johnny believes Ted's mom is attracted to him; Moira gets involved in a local musical production.

Johnny and Stevie attend the hospitality awards; Moira tries to stop Alexis from auditioning for Cabaret.

David agrees to play in the annual baseball game; Moira's rehearsal pushes Stevie over the edge.

Johnny and Moira accidentally hit a cat; David has a run-in with an old colleague who has a business very similar to Rose Apothecary.

While in town for the surprise party, Patrick's parents get a surprise of their own; Moira gets coaxed into going to a soap opera convention with Alexis.

Johnny fills in at the annual mayor's roast; David tries to stop Moira from finding out about Stevie and Patrick's dance lessons.

Patrick and David go on a romantic hike; everyone panics over Johnny's health scare.

Stevie is nowhere to be found on opening night for Cabaret; David attempts to make a big announcement.

David scouts a potential wedding venue, while Johnny and Moira have a romantic picnic by the creek.

David is embarrassed by a childhood issue that resurfaces, and only spirals further when Patrick is so understanding; Johnny, Stevie and Roland attend a viewing for a nearby motel; Alexis helps Moira join social media.

Johnny and Moira endeavor to secure an investor for a new motel while, Alexis and Ted struggle with long distance.

Moira shares the newly released "Crows" movie trailer with the Jazzagals; Johnny and Roland find a suspicious bag of money at the new motel.

Alexis plans a local premiere for the "Crows" movie, and Moira makes a big splash on the red carpet; David tends to Patrick after his wisdom teeth removal.

Alexis and Moira deal with the aftermath of a viral video, while Johnny helps Bob get back out in the dating world.

Moira and David sample wine at Herb Ertlinger's vineyard, while Johnny attempts to have "the talk" with Patrick.

Johnny and Moira spend a night at the presidential suite in the new motel, while Alexis receives a surprise visitor.

Johnny becomes overly involved in Alexis' romantic life, while Moira offends the townspeople in an interview with People Magazine.

Moira's former "Sunrise Bay" producers show up with big news while Alexis binge-watches old episodes of the soap.

The Roses attend the "Escape Room" portion of David and Patrick's Bachelor Party, but their participation wanes the more their personal dilemmas come to a head.

Johnny, Stevie and Roland head to New York for their pitch meeting, and the family anxiously awaits their return.

Moira receives some unexpected news, and David makes a tough decision about where he wants to live.

David stresses out over the rain on his wedding day, but his family makes it right.

The Somalian terrorist group behind the death of Agent Hobbs resurfaces, sending the team on a chase to take them down for good.

After a bomb explosion devastates a residential apartment building, special agents Maggie Bell and Omar Adom "OA" Zidan of the New York office of the FBI investigate a possible war between rival gangs.

After eight people are fatally poisoned at a deli in New York City, agents Maggie Bell and OA Zidan trace the crime to an unlikely culprit and conduct a sting operation to prevent further attacks.

Special agents Maggie Bell and OA Zidan join the team to investigate the murders of 18 young women, and they get help from a survivor associated with the deceased.

As the body count continues to rise, Maggie Bell and OA Zidan rush to track down an active sniper who has an elusive motive.

Team Scorpion is blackmailed into breaking into the United Nations to help with the assassination of an arms dealer; Sylvester tries to protect Megan's wishes.

When the team and Walter's parents visit Megan in the hospital, a deadly fungus outbreak occurs, forcing everyone into quarantine.

The members of the team go undercover at a university in order to track a hacker who is putting the world economy at risk.

When a Marine's body surfaces halfway around the world, the investigation forces Ziva to dig up a lost chapter of her life.

When a Marine known for his love of practical jokes is found dead on Halloween, the team is called in to investigate; they soon learn that his jokes may have been the reason why he was killed.

Two mercenaries are found dead on Gibbs' boat; Gibbs must consider his former mentor in a new light.

An 18-year-old woman escapes from the home where she and two other women were held captive for years.

The BAU team combs Los Angeles for a suspect after security footage is discovered, which shows an unknown subject being invited into victims' homes.

When Morgan is abducted, the members of the BAU team race against time to find him and save his life.

The team searches for an unknown subject who takes children while their parents are asleep; Morgan tries to find out who attacked him.

When an unsub targets the BAU, the team pursues the person who is responsible for the actions.

Emily looks to the BAU for help when tracking an international serial killer; the BAU deals with Morgan's departure.

The BAU hunts for an Unsub who deliberately disfigures victims; Rossi and his ex-wife have an uncomfortable reunion.

The BAU plays a dangerous cat and mouse game with a convicted serial killer who may have information on the whereabouts of two kidnapped boys.

When a petty officer is found dead, the team's participation in the annual Red Dress Run comes to a halt.

An extremely intelligent Navy coder -- employed by Brody's mom (Annie Potts) -- is put in danger when the heart intended for him is stolen.

After traveling to Texas to escort a key witness to the trial of an infamous arms dealer, Sonja and Special Agent Pride are ambushed.

During a blackout in New Orleans, Pride is determined to figure out who murdered a family friend's fiancé.

As the body count continues to rise, Maggie Bell and OA Zidan rush to track down an active sniper who has an elusive motive.

Maggie and OA investigate the death of a safety inspector and its possible connection to a leak at a nuclear power plant.

After a senator's daughter is kidnapped and held for ransom, the FBI must find the little girl before their time limit expires; they must dig into the senator's past for clues to who did this to his family.

Maggie and OA hunt down a ruthless group of robbers who are posing as police officers to target armored trucks.

Maggie and OA lead the search for an abducted former biological weapons chemist.

After a key witness and a U.S. marshal are ambushed and killed, Maggie and OA must find the man who leaked the information that led to their murders.

Team Scorpion must stop a catastrophe on Christmas Eve when heavy rain creates a large crack in a dam, putting an entire town in danger.

The members of Team Scorpion brave subzero temperatures in Antarctica to save a United States Special Forces unit; Toby risks his life to save Happy.

Sylvester's father, a retired general, asks the team for help when he thinks a dictator in Africa has uncovered weapons of mass destruction from World War II.

The team helps Vance face his demons while uncovering a complex relationship with a killer that endangers his family.

The team's investigation into a lieutenant's death is connected to a citywide blackout.

Thanksgiving plans are put on hold while the team investigates the horrific death of a Marine.

Hotch is arrested by a SWAT team and suspected of conspiracy; when the team members scramble to prove Hotch's innocence, they discover a larger plot may be on the horizon.

New recruit Luke Alvez helps the team capture a killer who escaped from prison with 12 other convicts.

J.J. is shaken after investigating the case of two abducted children, and tells her husband about the events.

As the BAU welcomes back Emily Prentiss, they're called upon to investigate the disappearance of three women.

The team searches for a serial killer along the Appalachian Trail in rural Virginia.

The BAU investigates the case of two murdered families, where two high school students are the sole survivors.

Three children vanish while riding their bikes on the same path where a similar unsolved disappearance took place 30 years earlier.

A man who believes himself to be the brother of Dr. Tara Lewis arrives in town, knowing everything about Tara's family; Tara is unable to make contact with her real brother.

A Marine's murder reveals new clues in the first case LaSalle and Pride worked together; a Thanksgiving celebration at Pride's bar.

Wade's adopted son becomes a suspect after a series of Christmas burglaries turn deadly; Brody and LaSalle tease Sonja about the team's holiday gift exchange.

Special Agent Pride and the team investigate a Russian sleeper agent involved with Abby's brother; Sebastian goes to Washington, D.C., to work with Abby; Bishop drives all night to deliver a package and help the New Orleans team.

The staged suicide of a petty officer turns out to be murder; the team secretly works on an online dating profile for Pride.

When an illegal arms broker-turned-informant is assassinated, OA assumes his identity and goes undercover to stop the sale of dangerous weapons, with help from Maggie and their former FBI instructor.

When a judge and her daughter are murdered after she sentences a man to life in prison, Maggie and OA search for the killer; Dana has a history with the victim and a vested interest in the case.

When an alt-right provocateur is murdered after giving a speech at a university in New York City, Maggie and OA investigate the school's more extreme political groups and rely on OA's sister, a student, for help.

Maggie and OA must find a couple that is responsible for a spree of violent armed robberies that led to the death of an off-duty police officer.

After an investigative journalist is murdered, the team uncovers information linking the suspect to past cases; the victim's death strikes a chord with Maggie, leaving her desperate for answers in regard to a traumatic event in her personal life.

A serial bomber appears to be targeting Wall Street's elite; Maggie and OA search for a suspect who seems set on revenge; Dana deals with Spencer Briggs, a cocky profiler brought in to consult on the case.

The members of Team Scorpion are asked to help NASA with a top-secret rocket launch, but they must sabotage their own mission when Walter's date finds a bomb strapped to her chest.

When a powerful earthquake hits Los Angeles, Team Scorpion must prevent a pinched gas line from causing a massive explosion.

Team Scorpion must stop an influx of drugs that are being smuggled into the country via drones; an ultimatum is issued.

When the enlisted son of a preacher, who was a colonel, is found dead, the team thinks he may be the victim of a hate crime; Gibbs' father visits for the holidays.

When a Navy pilot is found dead in a secluded area, the team must battle a no-nonsense attorney with a hidden agenda.

Gibbs questions DiNozzo's ability to do his job when the elder DiNozzo gets involved in their latest investigation.

The BAU team investigates when the remains of a dozen people are discovered along a creek bed in Yakima, Wash.

While conducting a profiling course on his birthday, Rossi gets a call from serial killer Tommy Yates, who gives him the location of his latest victim.

The team investigates when home invasions involving casualties strike upscale neighborhoods in San Diego.

The BAU investigates when a bizarre hieroglyph is found under a deceased homeless man's armpit; Reid decides to take his mother out of a clinical study early to bring her home.

The BAU team is called in to investigate when male bodies are discovered that seem to be impossible to identify.

When a BAU member gets in trouble in Mexico, the team enlists the services of the International Response Team for help.

The BAU looks into the cause of several fatal car crashes involving drivers and pedestrians; Reid gets bad news.

The BAU investigates a series of disfiguring acid attacks on young men and women; Dr. Reid begins to settle into his new surroundings.

A Mardi Gras celebration at Pride's bar is cut short when he and Mayor Douglas Hamilton (Steven Weber) are abducted by unknown assailants.

Evidence suggests that the man responsible for saving a lieutenant's life is a soldier who was captured in Afghanistan.

Special Agent Pride and the team uncover a domestic drug ring -- led by Sonja's childhood friend, Marion Watkins (Samaire Armstrong), that is producing cocaine.

A Navy captain is murdered during an appearance on a local radio show; Pride's daughter comes home to talk about her plans for the future.

The daughter of a wealthy family is kidnapped in an attempt to gain notorious internet fame; Maggie and OA discover the kidnapper's plans go far beyond abduction.

Maggie and Dana struggle to find justice for victims murdered by a serial killer; the mayor limits the investigation to cut costs.

OA and Maggie team up with members of the FBI's Fugitives Department to track down a person wanted for murder who is also on America's Top 10 Most Wanted list.

The team must take down a dangerous drug ring after an American diplomat is killed while being used as a pawn; Jubal and OA try to help friends from their past fight off their inner demons.

When a controversial senior leader from Egypt comes to New York for a heart transplant, OA struggles to balance his personal opinion with his professional duty when he is assigned to the security detail.