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.

As a tidal wave heads toward Miami, Horatio and the team must stop a gang of bank robbers who are trying to take advantage of the natural disaster.

A man is found dead after an evening of speed-dating, and detectives immediately suspect one of his dates, but the focus changes when the team learns the victim witnessed an assault.

The team probes modern-day piracy after six bodies are found off the coast of Miami.

The team delves into the complicated personal lives of members of Miami's judicial community after a man, in possession of a sexy DVD featuring a criminal judge, falls from a building, killing a pedestrian.

A brutal carjacking turns into murder, and the team learns that the victim had a gambling problem that could have bankrupted the family business; Alexx hires a body hauler and must investigate when he is accused of stealing from the dead.

The investigators probe what appears to be gang-related gunplay in a hospital emergency room, then discover a cheating girlfriend may be the catalyst for the shooting.

Horatio and the team look for a killer wanted for the murder of a police officer during a traffic stop, but their only lead is an eyewitness report from a suspicious teenage girl.

The murder of a bellboy during tourist season leaves detectives with many suspects, but the luggage he had been loading helps them to uncover a complex counterfeiting operation.

When a woman is swallowed whole by a giant snake, the CSI team suspects that Horatio's nemesis, Clavo Cruz, is behind an operation that uses snakes to smuggle drugs into the country.

Horatio and the team race against time to find a killer who escaped from prison while helping to fight a fire in the Everglades; a local college student is found shot, but the blaze has destroyed the crime scene and evidence.

The team must find the person who caused a jet carrying $1.2 billion in checks to crash in a suburban neighborhood.

When a past suspect is back in court on appeal, Booth and Brennan work to prove he is guilty once and for all; Brennan becomes a suspect.

After Brennan is accused of murder, her father (Ryan O'Neal) helps her hide from the FBI; Booth and the team think an evil tech genius (Andrew Leeds) manipulated evidence to implicate Brennan.

A powerful divorce lawyer with a lot of enemies is murdered; the three-month separation between Booth and Brennan starts to take its toll.

After an explosion in a hotel garage, the Jeffersonian team tries to identify victims by investigating remains found at the scene; Sweets works with a temporary partner (Danielle Panabaker) while Booth works on the department's budget.

While investigating the death of an animal expo employee, the team is drawn into the world of animal trafficking; Brennan thinks she would be a good presidential candidate; Sweets and Daisy make a change.

The team investigates the death of a woman whose body was found in the trash; Booth invites Sweets to stay with him and Brennan until he finds a new place.

While examining bodies deemed unidentifiable, interns uncover the identity of a man who died in the 9/11 terrorist attacks.

A pod containing the remains of a crime-scene cleaner washes onto a beach; Angela and Hodgins learn a secret about Cam.

When a street artist falls into his own adhesive, he also lands on human remains that stay glued to his body; Booth searches a comedy club for suspects.

When a psychic tries to help the spirit of a boy whose death the team is investigating, members of the team start to question their own feelings on life and death.

When the team investigates the death of a dancer who was about to audition for a dance competition show, Booth and Brennan go undercover as contestants.

The team investigates the death of an archaeologist who had just made an important discovery.

Toby uses his gift to help Detective Marks gather intelligence from the traumatized victim of a serial rapist.

When the only witness to a double murder is unable to speak, Toby reads his mind to determine what happened.

Toby and Olivia learn that Oz's parents' restaurant is in trouble; Toby uses his telepathy to try to solve a missing persons case.

When a patient dies after a hit-and-run accident, Toby discovers that the man was convicted of embezzling millions of dollars.

The BAU team heads to Los Angeles in search of a suspect who kidnaps nannies and the children they care for.

The team tracks a suspect targeting people in Detroit; Blake receives a life-changing proposition from her husband (D.W. Moffett).

The team investigates a series of deaths in Manhattan that seem to be related to ecstasy overdoses; Hotch makes a discovery about his estranged brother.

When the Replicator returns, a member of the BAU team is targeted.

The team tracks an increasingly devolving killer to Arizona; the team suspects Hotch is in the running to be the unit chief.

As the hunt for a ritualistic killer continues, a bizarre familial connection could help the team zero in on the suspect.

The BAU team must determine if the anniversary of the Kennedy assassination is a motivating factor when a sniper strikes Dallas.

The BAU team meets the new section chief (Esai Morales), who shares a long history with J.J.; an unknown subject leaves victims unable to communicate.

As Hotch fights for his life after being stabbed, he has visions of his late wife and his nemesis; when a teen goes missing, suspicions arise about her estranged father.

Ritualistic murders lead the team to believe their suspect may have a fascination with the Salem witch trials; Garcia plans a Day of the Dead celebration.

A series of strangulations leads the team to look for a killer who keeps mementos of his victims; Rossi's favorite bar is in danger of closing.

The team searches for missing teens who are suspects in a series of mass murders in Chicago.

When skeletons are discovered in the backyard of a home in Virginia, family secrets and past racial divisions are brought to light.

When a young boy disappears from his home in St. Louis, the team examines a similar cold case for clues.

Blake must work with her retired police captain father and her detective brother to solve a series of murders in Kansas City.

A murder investigation results in Garcia delving into her hacker past -- and reconnecting with a former flame.

As the team searches for a vigilante killer in Cleveland, Rossi's former Marine sergeant goes missing in Los Angeles; J.J.'s secret catches up with her.

The BAU learns of JJ's kidnapping, they discover that Cruz has also been abducted and delve into the files of a classified assignment; the team uncovers details of INTEGRITY, the covert database born out of the operation to find Osama bin Laden.

The team searches for a pair of suspects responsible for several murders near Pittsburgh; Morgan and Garcia make Valentine's Day plans with their significant others.

The BAU makes startling discoveries as they search for a 4-year-old girl who went missing while staying with a relative.

When Russ' first love, Emilia, is kidnapped by the same rebels he fought during his private military contract days, he takes the Phoenix team to a small, impoverished town to rescue her and rid the town of the rebels for good.

A double date descends into chaos when Mac and Desi witness a murder in the back of the restaurant; as they work to find the killer, Riley tries to keep the secret about her and her friends' "day jobs' from her new boyfriend.

After Oversight is almost killed in a bombing, he recruits Mac to help him find the suspected bomber; Mac meets his Aunt Gwendolyn.

Los Angeles' power grid is taken hostage in a ransomware attack resulting in a citywide blackout; the team discovers the ransomware code used was written by Riley years ago.

When Mac is put into a dream state to help him recall key evidence found in Nikola Tesla's secret lab that could stop Codex's deadly plot, he encounters Nikola Tesla, Alexander Graham Bell, Thomas Edison and his mother.

Mac is placed inside a fake prison cell with a top Codex operative, "The Merchant," to gain his trust and get intel on their next move.

The team is forever altered when MacGyver's Aunt Gwen gets into his head and convinces Mac and Riley to join Codex; Matty and Russ take their concerns about Codex to the White House.

Mac and Riley's mission is interrupted when Russ, Desi and the Phoenix team move to prevent Codex from detonating a weapon of mass destruction; the team discovers Russ' real reason for purchasing the Phoenix Foundation.

Brennan and Booth head to the Jersey Shore when decomposed remains are discovered; the team becomes fond of Booth's girlfriend; Angela tries to keep a secret.

When a skull and decomposing hands are found in a dumpster, the team searches for the rest of the victim's remains; Brennan agrees to shoot an episode of a children's show with professor Bunsen, "The Science Dude" Jude (David Alan Grier).

The skull of a promising young dancer is discovered at a construction site; Hannah's safety is jeopardized when an assignment takes her to a dangerous part of town.

Human remains from a 150-year-old slave ship surface; the investigation leads Booth and Brennan to a cruise where a murder victim is seen moments before his death.

An event for a candy maker (Wayne Knight) turns bitter when human remains are discovered in the world's largest chocolate bar; Cam struggles with her daughter's decision to attend a college that fails to meet her high standards.

Brennan and Booth investigate a crime scene where a human carcass has melted to the dashboard of a charred truck; Sweets tries to keep his feelings for Daisy from interfering while helping her pass a government psychological evaluation.

A brilliant and career-driven surgeon is found dead in a rough neighborhood; a new friend helps Brennan make a discovery about herself.

A body is found in the shower of a home belonging to a young socialite; Hodgins and Angela talk about their future; Booth talks to Hannah about Brennan's feeling for him.

The Jeffersonian team investigates when a notorious murderer known as "The Gravedigger" (Deirdre Lovejoy) is killed by a sniper.

A man's corpse disguised as a scarecrow is found in a cornfield; Booth and Brennan question the victim's three wives, who are also sisters; Cam doubts her relationship.

The team analyzes a BMX rider's remains, discovered on the roof of a warehouse; Sweets asks Booth for advice; Booth makes a decision about Hannah.

When the liquefied remains of a wedding planner are found in a tanning bed on Valentine's Day, Cam pressures the team to work fast so she can spend the holiday with her boyfriend; Clark helps Hodgins realize the best gifts come from the heart.

Sniper Jacob Brodsky takes out a victim who escaped from the justice system; Booth uses his military training to try to stop Brodsky before he strikes again; Angela's father visits the Jeffersonian.

During a blizzard that causes a citywide blackout, the team must solve a murder case that could be connected to a possible viral outbreak; Sweets starts a touchy conversation about Brennan and Booth's relationship.

Brennan teams up with a forensic podiatrist to match seven pairs of severed feet with bodies that wash ashore after a flood; Cam makes college plans for her daughter behind her back.

A TV-show host's remains are found in the wilderness; Vincent Nigel-Murray makes surprising confessions while making amends with each member of the team.

The team joins forces with several federal agencies to stop a sniper who has been targeting crowded events in the city; FBI Special Agent Tammy Gregorio begins investigating Pride's team.

Pride faces more repercussions from the FBI after he helps a former Navy Intelligence Analyst who is the primary suspect in a multiple homicide case.

After the discovery of a petty officer's body inside a sports arena, evidence leads Pride and the NCIS team to a kidnapping case of another petty officer, last seen in Mexico.

The NCIS must come to the rescue of one of its own when Sebastian is kidnapped while dining in a restaurant with his mother; Sebastian relies on his gaming skills in a prison break.

The NCIS and the FBI investigate a private plane crash in the bayou that killed three sailors; Sonja and LaSalle interview candidates for a job opening on the team.

A Navy SEAL candidate is murdered weeks before his graduation; Wade seeks Pride's help when her adopted son announces his plan to join the Navy.

A sailor is murdered during a rowdy motorcycle rally in the city; LaSalle seeks personal advice from Gregorio.

After a member of the United States Navy Band is murdered in her home, Pride looks after the victim's nephew, who is the only witness to the crime.

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.

When the top salesperson for a beauty company pyramid scheme is murdered, the team sifts through a long list of possible suspects who would want her dead; Adam befriends a homeless man.

Junior is torn between his duties and his feelings for his former girlfriend when her new man is one of the culprits in a bank heist-turned-homicide.

Tani and Junior go undercover at a gym to track down a deadly batch of steroids; Danny and McGarrett work as bodyguards for Danny's high maintenance ex-mother-in-law, a famous romance novelist with whom he has never gotten along.

The team investigates the murder of a window washer and finds that the victim is actually a renowned street artist; Grover and Adam look into the murder of a gambler; Junior helps his father when they are reminded of his sister's death.

When the team must locate a girl who purchased a gun from a junkie, it discovers that the firearm, over the course of decades, has affected all the teammates' lives.

The team tries to help Ralph when he is taken by the FBI for questioning after his web game play unintentionally reveals a CIA safe house's location.

The team searches for a CIA mole who has been coerced into stealing deadly chemicals; Paige shows Walter how to flirt.

The team must help an injured former Secret Service agent regain his memory in order to stop the launching of weapons of mass destruction.

The team members go undercover on a cruise ship in order to locate and disable stolen rockets; as Valentine's Day approaches, Ralph develops a crush.

The investigation into a chief warrant officer's death reveals that his wife has been abducted -- leaving the team with a 22-hour deadline; senior FBI agent Fornell assists with the case.

Amidst Halloween festivities in New Orleans, a Naval Staff Judge Advocate dressed in a costume is found dead in a cemetery; the team debates Halloween costumes and activities.

The team investigate the murder of a Navy Officer assigned as a tech liaison with a private developer; Pride turns the carport into an auto shop.

A murdered petty officer -- with a proposal and an engagement ring -- is found in a Mardi Gras float storage facility; the members of the team are baffled when they cannot locate the victim's girlfriend.

The team reopens a cold case when a stolen Navy-issue gun turns out to belong to a chief petty officer who died 40 years ago; the team makes their annual Thanksgiving dinner together.

A retired SEAL -- who tracked people impersonating military personnel -- is murdered; Brody finds that LaSalle is uncharacteristically unenthusiastic about Christmas.

The investigation into an explosion at the Navy-Marine Corp Relief Gala reveals Pride was the bomb's target.

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 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.

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.

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.

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

The members of the team travel to Mexico when the daughter of a tech billionaire is abducted; Walter participates in an interview that leads to hurt feelings.

The team must facilitate peace discussions when a conflict in Eastern Europe threatens to escalate into World War III.

As the members of team Scorpion try to save lost hikers, their helicopter crashes, igniting a large wildfire and injuring the pilot.

The team protects a witness who is on her way to testify against a dangerous drug cartel -- while the cartel is in hot pursuit.

The team investigates the possible murder of Jake Sullivan (Tony Hawk), a skateboarder and video-game tester.

When an IRS agent is killed trying to repossess a yacht, and another is shot to death soon afterward, the team searches for the perpetrators in a potential series of murders before tax day.

Horatio gets life changing information about his deceased brother.

When a bitter custody battle ends with a courthouse murder, the team must use the available evidence to find the killer.

When there is a murder at a high-school reunion, the team investigates and learns that popularity issues from the past played a role in the killer's motives.

McGarrett turns to Odell Martin (Michael Imperioli) for help when a confidential informant is accused of murder.

A Russian spy steals a flash drive containing classified information that puts a Five-0 member at risk; McGarrett learns why Catherine left; Abby keeps her mission a secret.

The body of a man left for dead off the coast of Oahu leads Five-0 to a deadly slave trade business that is operating aboard a fishing vessel.

Grover is forced to take his family on the run when a dangerous mob boss seeks revenge for a 15-year-old case.

The team investigates the theft of high-tech indestructible suits made for the military; Jerry and his sister try to save a captive elephant.

When a deliberate chemical spill enables six dangerous inmates to escape, the team goes on an intensive manhunt to find them.

The team races to save an abducted college student from a dangerous vigilante; Max, Kamekona and Flippa struggle to survive after being shipwrecked.

The Five-0 team learns that one of its own has a deep connection to the young daughter of a woman who was murdered in her home.

Five-0 tries to protect a wounded Gabriel and plan an escape when enemy gunmen storm the dilapidated building in which Gabriel is trapped.

McGarrett and Danny pose as drug pilots in a plan to stop a meth epidemic on the island; Danny is forced to break cover and land the plane when McGarrett is seriously wounded.

The team hunts for a murderer who has been targeting serial killers, marking their corpses with an ivory chess piece.

A rogue MI-6 agent is the key to finding a terrorist who plans to cause the meltdown of nuclear reactors across Europe; McGarrett and Danny need the help of an FBI profiler to find a killer.

After finding a corpse in her bed, FBI profiler Alicia Brown joins McGarrett in a hunt for a killer; Kono reconnects with a former surfing competitor.

When the serial killer that Alicia and McGarrett have been hunting kidnaps them, it's up to Five-0 to find them before it's too late.

A cache of guns is stolen by a person looking to make a statement on gun violence; Kono and Adam are reunited.

Mac and the team infiltrate a hotel used as a hideout for criminals and find a woman with vital information on Codex.

When Taylor's former protégé is killed while preventing a bioweapon from falling into the wrong hands, Mac and the team must find the weapon, so Desi can pull off the ultimate heist before it's sold to a terrorist cell.

When Russ is kidnapped, Mac and the team must break out a previously murderous psychopath, now pacifist, from prison to help find him; while on the run, Mac and Desi are forced to confront their relationship issues.

Mac's meeting with Desi's parents goes sideways when her brother finds himself in trouble and needing their help; Russ and Matty must ask an old nemesis for assistance when their new recruitment candidate is kidnapped.

Using a cryptic postcard as their only clue, Mac and the team must solve a fallen friend's final case and bring him justice.

During COVID-19's first stay-at-home order, Mac, Bozer and Riley must stop a crime in progress at their neighbor's house; Russ' romantic fling takes on a longer and more complicated turn when they quarantine together.

A secret experimental cancer treatment Mac's developing with a friend is discovered when culprits ransack their lab, kidnap Mac's partner and plan to use the research to create a powerful new nerve agent.

Mac and team rush to help when Matty's former mentor, Ian Cain, and his embassy staff come down with a deadly, mysterious illness; Taylor and Bozer work with Jerry Ortega to infiltrate a Codex cell.

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 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.

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

Horatio finally learns the truth about what happened to his brother, and the repercussions will change his life forever.

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

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

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

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

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

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

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

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

The team searches for a group of video gamers that has started to play the game in real life, killing police officers, stealing evidence, raping women, and robbing a bank.

Horatio and his team investigate the murder of a suspected drug lord as one member of the group is arrested for buying marijuana.

When Angela and Hodgins wake to find a corpse in their bedroom, they believe Pelant is behind it; against Booth's wishes, Angela and Hodgins start their own investigation.

The team investigates when two bodies are found at the same burial plot; Brennan and Booth discuss after-death arrangements; Daisy returns for the first time since the breakup.

When a female roller derby skater is killed and dismembered, Angie goes undercover to help solve the case; Cam tries to learn more about Booth's secretive hospital appointments.

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.

Toby helps a woman regain her memory and draws the attention of the Integrated Investigative Bureau.

McCluskey recruits Toby on a case involving smuggled weapons.

Toby investigates an assassination threat against a Conservative leadership frontrunner.

Toby and Michelle investigate a suspicious homicide.

The BAU must determine the true cause and motive when several drowned people are discovered in the Las Vegas desert.

Three bodies bitten by humans and animals are found in a shallow grave; Garcia and Reid hide their preparation for a company fitness test from Morgan.

Morgan's visit with a survivor of unusual stabbings in upstate New York leads to more questions about the case.

The discovery of two murder victims in West Virginia uncovers a long-simmering feud between two families.

The team searches for a commonality when a series of target abductions take place; Savannah is frustrated with Morgan's traveling.

When people are killed by arsenic poisoning and handwritten death threats are found, the team pursues a suspect fascinated by Greek mythology; Hotch is worried about participating in a Career Day at Jack's school.

When prostitutes are murdered in Texas, their deaths seem to have religious overtones; members of the team are put at risk throughout the course of the investigation.

The investigation in Texas reveals a deep web of corruption; Garcia must save a friend.

The team investigates a series of murders with unidentifiable victims in Bakersfield, Calif.; agent Kate Callahan joins the team.

The team members search for a vengeful suspect who was once abused; Garcia travels to Texas to confront the person she shot.

The BAU team goes to Colorado to investigate when a passenger jet crashes; the incident reminds Kate of a family tragedy.

A body is found covered in scratches, leading the BAU to believe that the person responsible has a chronic skin disorder.

A child reappears one year after he went missing -- but the team must work quickly when a trick-or-treater disappears under similar circumstances.

The team has a difficult time finding a common denominator among several male victims in Montana; J.J. struggles with feelings about her sister's death.

The team believes a suspect is taking on the persona of an Internet urban legend when people with substantial social media followings are found dead; Savannah and Morgan try to find time for each other.

As the team investigates the disappearance of a prominent Boston attorney, secrets of the man's past are revealed.

The BAU tracks a conflicted killer in Virginia who feels remorseful after committing crimes; Rossi receives a visitor.

When the BAU heads to Salt Lake City to look into a triple homicide, their investigation may lead to a fugitive.

The investigation into frozen bodies found floating in a body of water in Nevada leads the team to believe the victims were members of a cult; J.J. confronts her trauma over her abduction.

The team searches for a killer who calls the authorities before committing his crimes; as Rossi prepares for a visit with his daughter, he gets news about the death of an old friend.

When Mac and the team are unable to prevent sensitive intel from falling into Codex's hands, Mac must scale a vertical cliff using only gear he can cobble together himself to prevent the info's transmission.

While on a mission to hunt down a Codex lead, Mac and the team discover Murdoc hacked their comms and has recorded them for months.

Mac and Riley head overseas together to prevent a governmental collapse and inadvertently inhale new, deadly microscopic technology.

Mac, Desi and Russ go undercover during a royal Indian wedding to protect a princess whose policies could put her life in danger; Bozer suspects Riley is up to her old hacking ways.

Mac and the team delve into the world of Italian car culture to track down a crime boss; Mac must lean on Desi when he discovers that he's losing the ability to control his hands; Mac and Desi move in together.

Mac and Desi travel with Bozer to his childhood home when his aunt dies in a tragic accident; they soon discover she may have been murdered for trying to expose the city's contaminated water supply.

Mac and Riley go missing and wake up 24 hours later in a cornfield with no memory of how they got there; they must unravel the mystery and find out how to get rid of the nanotrackers in their bodies, no matter the cost.

Special agents for the Department of External Services, Angus "Mac" MacGyver and Jack Dalton, work to recover a missing bioweapon.

The remains of a maritime museum security guard are found in the Florida Everglades after an attempt to steal a 17th century nautical chart to find treasures; Booth asks a former Iraqi soldier for help with the case.

The remains of a successful ad man are found in a new community center playground; the members of the team try to communicate more honestly.

An unidentified 15-year-old girl, who is hearing impaired and not able to communicate, is found covered in blood and wielding a knife; Angela hides the details of her pregnancy.

Booth becomes more determined to catch Jacob Brodsky after he takes out another victim.

Booth and Brennan go undercover to find out what happened to a man whose remains were found lodged in the pinsetter at a bowling lane.

A woman's remains are found in a paintball field; Booth and Brennan adjust to life as an expectant couple.

The team identifies the remains of a competitive-eating champion just days before a contest; a brilliant new squint has trouble fitting in; Booth and Brennan try to put themselves in each other's places after a disagreement about the baby.

Booth and Sweets are given access to a toy company's headquarters after an executive's remains are found packaged with a Prince Charming doll; Sweets prepares for his gun certification test; Brennan worries about motherhood.

After dismembered remains are found in multiple mailing boxes, the team uncovers a complicated love triangle; Booth's grandfather reveals surprising news; Special Agent Genny Shaw (Tina Majorino) learns how important teamwork is.

The team suspects murder when a storm chaser is killed while filming a tornado; Booth becomes increasingly protective of Brennan.