Painful memories come flooding back when a gruesome copycat murder leads to the reopening of a case for Wade.

Pride's longtime friend, state and military attorney Rita Devereaux, asks NCIS to investigate the disappearance of a JAG lawyer who specializes in classified cases and volunteers at a private military academy.

A highly skilled special operations Marine assaults six men in a bar, sending the NCIS team on a city-wide manhunt.

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

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.

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.

McGarrett and Danny recruit Tani Rey to join the task force when a hacker releases a dangerous arsonist from prison.

McGarrett and the team work with an injured police dog that is the only witness to an ambushed drug bust; a former SEAL looks to join the task force.

The team enlists an old friend when a crime boss is murdered, triggering revenge killings across the island; McGarrett and Danny work out details concerning their new restaurant venture.

When the HPD system is hacked and one of the Five-0's informants ends up dead, McGarrett enlists the help of hacker Aaron Wright, whom he just imprisoned.

At Halloween, the team investigates a string of murders that mirrors stories from well-known Hawaiian folklore; Grover visits a man who is hours away from execution and may hold the key to a case that has plagued Grover for years.

The murder of two tourists leads the team to a man who has multiple personality disorder; Danny and the others hire a stress management consultant to help McGarrett.

A bank heist in progress forces Steve to make a potentially heartbreaking mistake; Adam faces an empty home without Kono.

McGarrett poses as a pilot to investigate a plane crash that led to the death of a pilot in an air race.

McGarrett, Danny, Tani, and Junior are exposed to a deadly biological weapon; the rest of the team has eight hours to find an antidote.

Danny is shot while quarantined in the hospital; unconscious, he clings to life and imagines a future for everyone.

Danny tells Charlie a bedtime story about a case involving bad Santas and a holiday miracle.

When an FBI agent who was cracking down on organized crime is killed, McGarrett rounds up every gang-related criminal on the island to find the culprit responsible for the murder.

Grover must prevent a man who is accused of killing his wife from committing suicide.

The corpse of a diamond smuggler is stolen from a graveyard; Five-0 tracks down his partner, who is determined to retrieve their latest batch of contraband; Adam recruits a new, confidential informant; Tani gets a devastating call.

McGarrett and Danny investigate the murder of a private detective whose client was killed the same way; Adam sends Jessie into a dangerous situation with disastrous consequences; Danny's uncle comes to town to help with the restaurant.

Tani and Junior go undercover as prospective parents to infiltrate a private school where the headmaster was murdered; Adam's life is on the line when he is held captive and forced to produce a massive amount of money.

Adam's mission to take down organized crime goes sideways when the bait he uses falls into the wrong hands; Adam begins to doubt Jessie's allegiance.

The ex-wife of the man who shot Danny reveals how Danny helped save her life; Tani and Junior are assigned to walk the beat as uniformed officers for the day; Adam is framed for the murder of the crime boss he has been tracking.

A hit man McGarrett's father failed to arrest comes to McGarrett to finally confess his crimes and admit where he buried his victims; Jessie makes a dangerous decision that could ruin Adam's life.

Catherine Rollins recruits McGarrett and Jerry to help track down uranium thought to be hidden on an abandoned Hawaiian island before a terrorist makes dirty bombs with it; Junior gets trapped in a ravine.

After an earthquake in Hawaii, Mac and the team join Chin and Kono from the Five-0 task force to rescue a group of government scientists trapped in a building; another group tries to steal top-secret weaponry from the scientists.

Mac's close friend from M.I.T. fakes her own death to prevent someone from killing her to suppress her scientific research.

When the team intercepts a terror group's message for Murdoc, instructing him to kill a tech analyst, Mac poses as a psychopath to save the intended victim.

Murdoc moves ahead with his plans for revenge against MacGyver by recruiting his recently released former cellmate to infiltrate the Phoenix Complex and kill every agent inside.

MacGyver uses a cell phone and soccer ball in the search for a Navy SEAL who is believed to be held captive in the Middle East.

Riley disappears during her first solo mission; Mac and the team attempt to locate her.

MacGyver and the team must steal diamonds before terrorists beat them to it and trade the jewels for a weapon of mass destruction.

When Murdoc drugs and kidnaps MacGyver, Mac must escape and join the team to save Murdoc's next victim.

The BAU is called in to investigate when a criminal sensationalizes his crimes by giving the local media exclusive footage.

The BAU is called to investigate when two members of a conspiracy group in Roswell, N.M., perish in quick succession.

When a series of backyard pool homicides are reported in California, the BAU team searches for an UnSub who has a puzzling past.

The BAU team's investigation into the home invasion and attempted homicide of a police chief's wife uncovers a world of secrets in a small town in Virginia.

The BAU is called to New York when several casualties of a brutal nature are reported in Central Park.

The BAU is called to investigate a series of homicides in which cryptic messages are found inside the mouths of the victims.

The BAU is called when the New Orleans Police Department discovers a mass grave inside a vandalized above-ground crypt in a local cemetery.

The FBI's assistant director of national security joins the BAU as it investigates the quadruple homicide of a group of roommates in St. Louis.

The BAU meets in secret to investigate a subject who appears to be kidnapping and photographing young women.

The BAU is called to Oklahoma to investigate a murderous clown who is terrorizing a town.

The BAU travels to Chicago to investigate a case where red roses are left on victims; Rossi gets an unexpected visit from his ex-wife.

The BAU takes charge of a hostage situation at a law firm where Matt Simmons' wife works.

The BAU is called upon when bioterrorism is suspected in a series of mysterious deaths; Garcia visits her stepbrother to take care of a difficult family issue.

The BAU is called to Taos, N.M., when someone targets victims' temporal lobes.

The team questions the credibility of a former FBI agent's bizarre account.

When Reid and Garcia are abducted by a mass murderer, it's up to the rest of the team to find them; the BAU looks to their past to solve why the two heroes have been targeted.

An African teenager, whose father is an alleged war criminal, is abducted.

Toby's telepathy acts as surveillance when Michelle goes undercover to expose an art-theft ring.

Toby and Michelle investigate the connection between a cult and three missing young women.

Toby and Michelle investigate the death of a pharmaceutical executive who released a drug with killer results.

Bull faces his past when he returns to his childhood home to help with the defense of a young man accused of arson.

Bull tries to help a CEO whose company is accused of killing an employee with its self-driving car, but a secret emerges that could sabotage a trial win.

An attorney for one of Bull's former clients asks him to consult on a couple's civil suit against a teacher who had a sexual relationship with their son; the trial strategy suffers a major setback when the teen switches to the teacher's side.

The wife of a man whom Danny helped imprison for manslaughter detonates a bomb at the TAC offices and takes the team hostage to force Bull to prove her husband's innocence.

Bull helps a professional video game player, who has been accused of intentionally losing a championship game, sue his former team owner for defamation.

Benny defends a whistleblowing army analyst who has been court-martialed; Marissa forces the office to work without its usual technology to avoid being hacked during the case.

When Bull assists the U.S. Attorney's office with a manslaughter trial against a real estate magnate, his penchant for winning goes into overdrive as he realizes the defendant is trying to use Diana to antagonize him during the proceedings.

When a state governor and the co-owner of a skydiving company die during a jump, Bull helps the co-owner's brother and daughter fight a lawsuit filed by the governor's widow; Bull and his frequent trial collaborator are on opposing sides in court.

The team investigates when the remains of a girl who died 18 years earlier are delivered to Brennan and Booth's house; Brennan dreams about Pelant.

The team investigates the death of a country music singer whose remains were found in a shallow grave; Brennan takes a look at Wendell's injuries after he breaks his arm during a hockey game.

Sweets goes undercover in the chess world to find a killer; Cam gets a science award but fears offending Brennan, who feels she deserves it; a sunny new podiatrist intern annoys Brennan.

The team investigates the murder of a kidnap victim whose remains were found at a park; Hodgins makes a discovery about his family; Brennan and Booth consider commingling their money.

Booth and CIA agent Danny Beck (Freddie Prinze Jr.) must track down a terrorist after a CIA informant is murdered; Brennan and Booth must consider the ramifications when Brennan wants to do more work in the field with Booth.

When the remains of a repo man are found in a septic tank, the team learns he had a troubled past; a forensic anthropologist (Ignacio Serricchio) who has defected from Cuba needs an internship.

When an actor known for playing a popular character on a kids' TV show is murdered, unexpected suspects are discovered; Brennan and Booth plan a party for Christine's birthday; Clark asks for opinions on his novel.

When a wealthy artifact collector walks into his own funeral, the team must determine the real identity of the deceased; Finn's new hot sauce venture is making big money.

The remains of a former art student are found in a log in a forest; Wendell returns after beginning cancer treatments; Booth prepares for an FBI competency test.

The team investigates the death of a woman whose body was cryogenically frozen before being dumped in a swamp; Cam is nervous to meet Arastoo's parents; Booth is up for a promotion.

When the remains of a woman from a wealthy family are found in a national park, the team thinks she may be a victim of the Ghost Killer; Booth's career might be in for some changes.

When the head swim coach of a community college is found dead at the bottom of the well, possible suspects think he may have been having an affair; a new intern (Laura Spencer) catches Sweets' attention.

Toby and Michelle must recapture an escaped criminal mastermind before he can seek revenge.

Toby starts doubting his abilities after Michelle questions his insights during their investigation into a wealthy philanthropist's murder.

Toby and the IIB must find the source of a deadly virus before it kills more people.

Violent home invasions are being interrupted by a citizen dressed as a superhero.

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.

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.

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.

The team's Halloween plans are interrupted when the vice president's son's plane goes down with a mysterious prisoner on board.

Mac and the team attempt to extinguish a massive oil wellhead fire set by a rebel group in Nigeria.

MacGyver uses a heater and hot sauce to help a key presidential candidate in Ecuador receive a heart transplant he desperately needs after a rebel group tries to sabotage delivery of the organ.

MacGyver and Jack "steal" a priceless painting to draw out an infamous stolen art dealer; Riley's estranged father asks to be part of her life; Matty sends Bozer to a spy training camp.

Mac and the team follow mercenaries who are transporting stolen lethal nerve gas; Jack confronts Elwood about Riley; Bozer is pushed to his limit in spy school.

Mac must help college students stranded on a research ship in the Arctic Ocean; Jack kidnaps Elwood to find out what he's up to; Bozer's feelings toward Leanna grow stronger.

The LAPD interrupts the team's Christmas celebration to arrest Mac for terrorism when they find a body in a building destroyed by a bomb Mac built.

When Mac's nemesis rigs Mac's house with explosives and traps him and Jack inside, Mac uses a karaoke mic and an audio transformer to let the team know that the bomb is a distraction for a bigger one.

While in the hospital after being shot at the lab, Brennan struggles with visions of her mother that defy her usual logic; evidence may link Brennan's attacker to the Jeffersonian.

As the team investigates the death of a seemingly innocent 15-year-old boy, they learn that he was involved in illegal activity.

When a well-educated but eccentric intern starts working at the Jeffersonian, Brennan tries to be more open-minded about scientific questions.

The team investigates the death of a young man whose remains were found at a hazardous waste disposal facility; Cam and Arastoo struggle to keep their relationship secret; Brennan and Booth try to decide where to take their vacation.

The investigation into the death of a former Marine leads the team to a group obsessed with preparing for the apocalypse; Sweets finds an apartment.

The team investigates when an undercover cop turns up dead with a bag of diamonds inside his body; Brennan struggles to be likable as the subject of a documentary film.

The team investigates when a TV producer is murdered; Christine is accused of biting a classmate; Hodgins uses his tools at the Jeffersonian to chemically re-create Finn's hot sauce.

The team investigates when a stockbroker -- who moonlights as a stripper -- is murdered; after a 24-year absence, Booth's mother (Joanna Cassidy) shows up with a request.

The team tries to prevent a viral outbreak during an investigation into a journalist's murder, whose infected body is found at a biohazard facility; when Arastoo Vaziri is affected by the mutated virus, the only way to save him is to solve the case.

Christopher Pelant returns to toy with the Jeffersonian team; an investigation reveals a string of murders tied to FBI agents; Brennan evaluates her relationship with Booth.

The remains of an accountant for the state department are found in a hotel air conditioning unit; Booth finds an Army buddy and CIA agent, Danny Beck, removing evidence from the victim's condo; Brennan contemplates her future with Booth.

The investigation into the murder of a management consultant whose remains were partially eaten by bobcats leads to a marriage retreat site; Cam's identity is stolen; Sweets decides to take a leave of absence.

The team investigates when a gang member's remains are found in a burnt-out car; when Sweets learns that one of the boys from the center where he volunteers is a gang member's son, he decides to help.

The team devises a plan to use a donated cadaver to draw out Pelant; Sweets returns to work and believes Agent Flynn isn't who he seems.

The team investigates the murder of a high school principal who was dying of cancer; Brennan and Booth plan their wedding; a virtual profiling system threatens Sweets' job.

The team tries to keep the details of an investigation away from Brennan so she will focus on her wedding; Max shows up with a suspicious bag of cash.

After Eddie Barrett provides an alibi witness, Pride and the team are more determined than ever to find a break in the case and avenge LaSalle's murder.

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

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

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

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

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

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

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

When the CEO of a successful surf company is murdered, Kono revisits her past; Five-0 is thrown into the varied but interconnected worlds of North Shore surfing.

A Navy SEAL accused of murder takes hostages and safe haven on a memorial battleship.

When Danny's ex-partner is found dead at a Hawaiian luau the Five-0 team's investigation leads them to some dirty cops and a powerful cocaine cartel.

The team must protect a ruthless dictator from an assassination.

A ring of thieves pulls off the heist of an armored car, killing two security guards and leaving the money behind; Danny must seek his ex-wife's help in the case.

The abduction of a woman and the murder of her husband on their honeymoon becomes the case of the Five-0 team; Dr. Max Bergman (Masi Oka) recognizes similarities to a string of unsolved homicides.

The man who murdered McGarrett's father resurfaces; Chin Ho's life is put in danger during a hostage situation.

McGarrett discovers new clues in his mother's murder when his sister is kidnapped.

After a high-speed chase, the team makes a gruesome discovery; Chin Ho and his former fiancée awkwardly reunite.

The head of the Tsunami Warning Center disappears just as the island is being evacuated for a terrible storm.

The team heads into the jungle to try to find a missing witness in a high-profile murder case before the assassins that are after her.

An afternoon pleasure cruise turns into a nightmare when pirates attack and take hostages.

The team must stop a vengeful bomber; Danny's fun-loving brother (Dane Cook) visits unexpectedly.

A science-fiction fan dressed as a superhero is murdered; McGarrett receives a visit from a CIA agent interested in finding Yakuza.

While on a hike, Danny and McGarrett find a murder victim; Chin Ho and Kono go home to visit their ailing aunt.

After a famous photographer is murdered while doing a magazine shoot, Danny is happy to learn that he will be interviewing the swimsuit models.

Oz puts his life in danger after asking Toby to help an old friend who witnessed a murder.

The team must prove Michelle was set up after a suspect is shot.

Toby and Michelle investigate a string of high-tech thefts in Vancouver.

Toby and Michelle search for a dangerous gang while feeling the pressure of the new police superintendent.

Tammy is reunited with her ex-husband, Ethan McKinley - who embezzled millions in Katrina relief funds - after he's tied to the murder of a crime boss' son.

A deadly accident at a naval base exposes a unit of Seabees to a super virus and leaves the rest of the base and the city of New Orleans at risk for an outbreak; Wade is infected with the virus and given hours to live.

LaSalle must investigate his former partner in the Vice unit after the NCIS team finds a link between an international drug ring and the New Orleans Police Department; Rita looks into a connection between the mayor and illegal activity in Clearwater.

Pride listens in on a wiretap of Mayor Hamilton; the NCIS team investigates when Navy weapons get stolen in a train heist; featuring musical performances by Sheryl Crow.

The murder of a Navy chaplain leads Pride to uncover a possible connection between Mayor Hamilton and illegal activity taking place in the city of Clearwater; Percy continues to face repercussions of her choices on a previous case.

When Pride is spotted tracking one of Mayor Hamilton's accomplices on a crowded street, the suspect opens fire, putting innocent lives at risk before disappearing.

Unable to trust anyone in New Orleans, the NCIS team calls in FBI Assistant Director Isler to help expose and stop Mayor Hamilton's sinister scheme.

While Pride remains on probation after his rogue takedown of the corrupt Mayor Hamilton, his team is closely monitored by a strict supervisor; the team must secretly investigate after the FBI takes the lead on a case involving stolen nuclear waste.

An erratic whistleblower who calls Pride her mentor kidnaps him to help her locate a serial killer targeting young women in the Gulf of Mexico.

The team joins forces with FBI Director Isler after a Russian operative with intelligence on sleeper agents disappears; Tammy partners with former sleeper agent Eva Azarova to assist in the disappearance.

The team investigates the copycat murder of an unsolved case from 150 years ago that spawned a legendary ghost story; Gregorio is spooked when the case is connected to a recent séance and a local medium.

Sebastian is placed on administrative leave after being questioned by the FBI about a foot chase; Pride and the team attempt to clear Sebastian's name.

The murder of a petty officer leads the team to a woman who is targeting men with high security clearance; LaSalle's father arrives to discuss the family business.

The team investigates after a clinical trial in which brain implants are put into veterans is hacked; Patton must work alongside his ex-wife, who spearheads the project.

Wade's son asks Pride for help after being attacked and discovering his girlfriend is missing; Pride must meet with a therapist to discuss his process for solving cases.

Pride starts to doubt evidence suggesting homeless kids murdered a petty officer.

Rita Devereaux tells Pride that Douglas Hamilton is about to make a deal to get out of prison; Pride and the team re-investigate the Clearwater case in hopes of spoiling his plans.

After a deadly armed robbery and high-speed chase is linked to an undercover ATF operation, Percy reconnects with her former ATF partner.

Sebastian's high school friend asks for help when her business partner is killed at a gaming convention; FBI Special Agent Raymond Isler believes Adrian is the hacker that the Cyber Crimes division has been tracking for years.

A petty officer's murder leads the team to a nightclub where Pride's mother used to perform; LaSalle must return home to Alabama after receiving an unexpected call from his family.

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 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.

Harry Langford enlists McGarrett and Danny's help to track down a teenage British royal who has run away while under his protection; Grover, Tani and Junior work a 25-year-old murder case after a mysterious videotape arrives at headquarters.

Duke is forced to steal crucial evidence from the police locker in exchange for his kidnapped granddaughter; Jerry goes undercover at a mental health facility to solve a murder.

McGarrett and Five-0 take on the mob when a former boss is killed; Junior's friend is on the run after witnessing the murder.

McGarrett joins Junior and his SEAL team on a mission to capture an elusive person who is holding his mentor hostage; Gerard Hirsch and Kamekona help Grover and Tani on a murder case involving art stolen by Nazis during World War II.

The team discovers a Russian spy ring hiding on Oahu when a Russian submarine appears off the coast.

After McGarrett's CIA agent friend is killed, he lets himself be captured by the group he thinks is responsible to find the killer; Tani questions whether she should tell McGarrett about the murder weapon she found at Adam's house.

When a vacationing father on a flight to Honolulu is kidnapped and forced to parachute midflight, Danny, Tani and Junior track him through the jungle to discover that he may not be who he seems; McGarrett is threatened with a secret from his past.

A heat wave hits Oahu, contributing to a spike in crime; McGarrett and Danny hunt down a bank thief; Tani and Junior's car is stolen while they're on duty; Kamekona incites a riot by price-gouging his ice.

Jerry accompanies Junior as he escorts a fallen soldier home to Oahu; McGarrett and Danny discover a body when they delve into the highly profitable black market for sand.

On Halloween, Jerry and his friends search his childhood camp for evidence to a murder he witnessed as a boy; McGarrett investigates a little girl who drew pictures depicting the scene of a recent murder before it was discovered.

McGarrett crosses the line and is arrested while investigating the death of his former SEAL buddy who died while making an emergency landing on an aircraft carrier; Adam returns to Oahu with devastating news about his marriage.

McGarrett investigates a cold case that his grandfather and the famous Honolulu detective Chang Apana worked on in the 1940s; McGarrett and Danny get ready for the opening of their restaurant.

Grover's parents and brother arrive in Oahu for Thanksgiving; a thief is crushed to death by an empty safe.

When a renowned urban vigilante is killed after making a citizen's arrest, the team delves into the world of superheroes and comic books to find the killer; Adam gets closer to finding out who killed his sister.

After fighting off an assassin in his own home, McGarrett and Joe White flee to Montana to prepare for a battle against those exacting revenge for a past SEAL mission.

Still reeling from the murder of one of their own, Steve and Catherine, along with Danny, Junior and some old friends, hunt down the killer; a bag of human bones discovered inside an abandoned storage locker goes missing.

McGarrett and the team support Danny and Rachel by determining what happened when Grace gets into a life-threatening car accident; Tani helps Koa when his rehab patient goes missing.

Adam, Junior and Tani travel to the bottom of the Pacific Ocean when a murder takes place in a remote underwater lab -- and the killer may still be on board.

While investigating Flippa's friend's murder, McGarrett and Grover uncover a deadly plan by an extremist group on the Island; Grover has an emotional reaction to the case.

As a dangerous hurricane hits Oahu, Five-0 is tasked with protecting El Diablo, a captured serial killer who is being hunted by an assassin; Tani's civilian safety check during the storm turns deadly; Rachel and Charlie evacuate to Danny's house.

Mac participates in a challenge to create robotic combat machines; Mac must help a competitor when her vehicle is hacked and heads for the Pentagon; Jack attends his high school reunion.

The team heads to New Orleans to track down a con artist posing as the wife of one of Jack's old CIA aliases; enemies of his old alias resurface looking for revenge.

One of Murdoc's assassins agrees to hand over Murdoc to MacGyver in exchange for $10 million; the team finds itself protecting Murdoc from a former mentor who wants him dead; Jack realizes he may still have feelings for Riley's mother.

The team members pose as honeymoon couples at a resort in an attempt to befriend the son of a Serbian war criminal; Bozer wonders if Matty knows about his relationship with Leanna; Jack recruits Elwood to help him break into Matty's home.

Mac, Jack and Riley set out to find a mobster-turned-informant after he's kidnapped and taken to Chernobyl by an international crime boss; Bozer struggles to keep a secret from Matty.

Mac and the team reunite with the Coltons, a family of bounty hunters, as they all search for a thief of classified intelligence.

As Mac and the team investigate the suspicious death of Dawn's CIA supervisor, the evidence leads to a dirty CIA agent and a massive counterfeiting ring.

Mac and Jack attempt to rescue a billionaire's son after he is kidnapped by a former Navy SEAL.

The team tracks a serial killer when remains of numerous victims are found in the walls of an elderly couple's home; the hunt becomes urgent after the BAU learns the killer's specific ritual of when to strike; Rossi reconnects with his ex-wife.

Packages with gruesome contents are delivered to six people in the Washington, D.C. area; Simmons and Kristy struggle to connect with their son, David, who is suspended from school for aggressive behavior.

Soon after the BAU steps in to help local law enforcement isolate a suspect for a murder, a second person who is related to the first victim is killed under similar circumstances; Prentiss is concerned about Garcia's behavior.

The BAU investigates a spooky local ghost story of the "Tall Man" and the clues it provides when two people go missing in the woods; a third person mysteriously surfaces the following day with limited details as to what happened to her friends.

The BAU investigates four murders along the eastern seaboard; the crimes become personal for Alvez when the team discovers there are ties to his time spent in pursuit of a notorious hit man; Alvez and his girlfriend decide to move in together.

The BAU races to capture the vigilantes behind a series of attacks taking place every 27 minutes in the nation's capital; Prentiss and Unit Chief Andrew Mendoza lead the effort to identify the vigilantes and what's motivating them.

The BAU investigates a double homicide and kidnapping in New Hampshire; Rossi's plans to elevate his relationship with Krystall don't go as planned.

A professor from Lewis' past tips off the BAU to an alarming number of overdose deaths of patients who just completed rehab.

Prentiss faces her past when the BAU is sent to investigate the murders of prominent businessmen, all of whom are missing their hearts; Prentiss plans a romantic first date with Mendoza, but the evening is cut short by an urgent call from Rossi.

The BAU team heads to Portland, Ore., to investigate a chilling abduction that may be linked to a local couple who were killed in their home a week earlier.

The BAU team flies to Iowa to investigate the disappearance of three 10-year-old children who appear to have been abducted from their homes, with surveillance video from a park as their only lead to finding the children's whereabouts.

Rossi questions his actions in the aftermath of a struggle with a serial killer who appears to have outsmarted the BAU.

The BAU investigates a string of murders taking place in supposedly haunted houses in Lewiston, Maine.

Rossi prepares to marry Krystall; the team investigates a series of fatal shootings following car accidents.

The BAU team investigates an unsub with striking similarities to Rossi's latest obsession, "The Chameleon."

The team searches for Everett Lynch and his daughter; Spencer has a meaningful visit with his mother.

When Tia's colleague is targeted by a hotel owner, Toby pushes for an investigation.

Toby and Michelle search for a killer suspected of taking national defense secrets.

Toby goes undercover to find a group of thieves posing as police officers.

Toby and Michelle investigate a potential conspiracy linked to a mob murder trial.

Bull risks losing his business when he fronts the money to help thousands of people bring a class action suit against a corrupt bank; Benny hurts the case by his attraction to a client and his anxiety over a secret he's keeping from Bull.

Bull and Chunk's friendship is tested when Bull helps the man suspected of murdering Nella Wester, Chunk's fashion mentor.

When Bull assists Jules Caffrey, a high-powered attorney on trial for his fiancée's murder, he takes advantage of his client's penchant for courtroom theatrics.

Bull tries to prove temporary insanity for a client who was brainwashed by a cult-like spiritual learning center to kill his father; Danny and Chunk look for the perpetrator responsible for their client's reprogramming.

Bull agrees to consult on three cases for criminal attorney J.P. Nunnelly in exchange for her help defending Benny, who is on trial for misconduct related to his former career with the District Attorney's office.

Bull and J.P. Nunnelly clash over their client, a computer cloud company that is battling the FBI to retain privacy over its client files, on the first of three cases to repay her for defending his brother, Benny, at trial.

Bull and the team travel to Miami with J.P. Nunnelly to work on a controversial drug trafficking case in which both the clients' and the jurors' lives are in danger.

Tensions run high when Bull faces off against an old romantic interest who is defending a widow claiming self-defense; Chunk makes a decision about his future.

A man who wanted to talk to Booth about a possible government cover-up is killed before their meeting takes place; as Booth and the team investigate the conspiracy surrounding the man's death, Booth's future with the FBI becomes uncertain.

Skeletal remains found at the bottom of a lake turn out to be those of a congressman's former aide.

When Dr. Brennan uncovers the identity of a man killed while driving a car registered to a prominent Middle Eastern man with ties to the U.S. government, she and Booth find themselves tracking a terrorist.

The decaying corpse of the Venezuelan ambassador's son is found hanging from a tree.

Brennan and Booth travel to Washington state to determine how a human arm ended up in the stomach of a black bear.

Brennan identifies remains of a 6-year-old boy who went missing from a local park and determines that he was sexually assaulted before being murdered.