A series of casino-related murders in Atlantic City is investigated. Meanwhile, Garcia fights with her boyfriend and then gets a little too friendly with Morgan.

A serial rapist in Houston known as "The Piano Man" resurfaces and assaults his previous victims. Meanwhile, Prentiss deals with the trauma of rejoining the team.

A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Also, Reid ponders if he should be doing more with his ge...

Bludgeonings in Philadelphia have the team investigating the boxing world in the city; and Hotch connects with an attractive triathlete while they train together

A mass suicide among young cadets at a military academy is investigated; and Hotch and Morgan clash when it looks like a member of the team is in danger

In a personal case for Garcia, the agents search for Garcia's missing friend whose daughter disappeared seven years earlier

The bodies of boys are found in the aftermath of storms that hit Kansas, and the team travels to Wichita to investigate the deaths

The team goes to Angeles National Forest in California when bodies are found in the mountain lakes there; and Rossi has to make a tough decision regarding his ex-wife.

The BAU team investigates the abductions of young children with troubled mothers in St. Louis. Also, Rossi reconnects with his first wife who has shocking news for him

Survivors of a Boise high school massacre return to remember the event 10 years later, but the BAU team is called in when a new killer with a similar style targets the survivors. Also, Hotch is worried that his son, Jack...

The BAU team investigates a mass murder at an Internet security company in Charlottesville, Va., but clues reveal it is not a typical serial killer at work. Also, Prentiss must complete recertification training under Mor...

The BAU team searches rural Oklahoma when women are being found murdered after being robbed of one of their five senses. Also, JJ and Prentiss get the cold shoulder from Reid as he deals with their deception about Prenti...

In the seventh-season opener, the team's actions in the aftermath of the loss of Prentiss are questioned by a Senate committee, and a familiar person unexpectedly appears to rally them.

The team hunts for an interstate human-trafficking ring, and J.J. returns to the BAU in the sixth-season finale.

A Florida serial killer is burying bodies at the bottom of the ocean off the coast of Jacksonville, and the case turns personal for Morgan when his aunt believes that her missing daughter could be one of the victims.

A woman disappears and another is injured at the hand of the same criminal in a mountain town in North Carolina, and the agents suspect that there are more victims.

The team travels to San Diego to catch a killer who is targeting college students; and, they are under the watchful eye of Strauss following the departure of Prentis

The team must investigate targeted killings in Florida while each member is dealing with feelings about losing Prentiss.

Morgan, Reid, and the BAU travel to Portland to investigate a suspected gang of murderers targeting a new victim each night

Prentiss prepares to finally confront her nemesis; the team asks J.J. to help find Prentiss and capture Doyle.

After a series of murders, Prentiss becomes suspicious of a former nemesis (Sebastian Roché) and fears for the safety of her team.

Reid's ability to connect with an autistic child may prove helpful in finding the boy's missing parents; two former colleagues help Prentiss search for an old adversary.

The BAU heads to upstate New York to investigate mysterious disappearances; Prentiss receives troubling news about a former colleague.

The team investigates unusual murders in Los Angeles, and more information about Prentiss' past arises.

The team pursues two young lovers on a killing spree; Prentiss receives frightening news.

A series of bizarre, ritualistic murders brings the team to Miami; Reid experiences hallucinations and blinding headaches.

After helping a man get parole, Morgan regrets his decision when the man murders someone shortly after being released.

The team pursues a killer who targets women; Hotchner turns to an FBI cadet for help.

When an 8-year-old is found dead on the Appalachian Trail, the team searches the forests for a man targeting children.

The team tries to stop a killer from striking again after the body of a kidnapped woman is found in an alley.

When bodies turn up in Indiana cornfields, the team must catch a pack of serial killers targeting exotic dancers.

The team searches for a killer who has struck the past three years during Detroit's raucous pre-Halloween celebrations.

The team pursues a serial killer targeting families in the Midwest; Morgan receives a visit from Ellie after she runs away from her foster family.

The team searches for a serial killer who is preying on married couples; Hotchner looks to a team member to fill JJ's vacant role.

When several women are murdered, Rossi revisits a 25-year-old case that causes him to suspect a killer is at work again.

tries to reunite parents with their missing daughter; the team braces for the loss of one of its own.

The team closes in on a serial killer (Tim Curry) holding Detective Spicer's daughter hostage.

The BAU team hunts a serial killer in Los Angeles who preys on his victims in the dark, killing entire families except for one left alive to remember.

The BAU team profiles a serial killer who uses the Internet as his hunting ground, bringing a whole meaning to the term "social networking".

Garcia plays a crucial role in a case when she travels to Alaska with the BAU team to investigate the murders of several members of a small town.

The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim.

The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S.

The BAU team travels to San Francisco to investigate the murders of several homeless men and teams up with a separate group of BAU operatives who are working another case they think is connected.

A truck driver is kidnapping women and disposing of them in random locations and the BAU must find out his motive in order to catch him.

The team profiles a child abductor who may have been keeping children for more than eight years.

The BAU is called to investigate a serial killer who is targeting random victims in highly visible places to create a sense of public fear.

The BAU follows the mental decline of a con artist whose schemes have become so complicated that he begins to eliminate the people involved in them.

The BAU is called to assist local authorities in rural Wyoming when teens are found dead from apparent suicide that are linked to a game on the internet.

As SSA Hotchner struggles with his return to work, the team is called upon to profile a suspect with an unusual personal obsession who is abducting certain types of women.

An ex-con escapes while in the custody of the BAU, and the team must review his criminal career in order to determine where he may have gone.

When Hotchner takes a leave of absence from the BAU, the team must regroup to solve a home invasion.

When The Reaper returns to Washington for a final showdown, the team works frantically to catch him before he reaches SSA Hotchner's family.

While investigating a series of murders of entire families in Hampton, Virginia, the BAU is forced to visit Red Onion State Prison to seek advice from one of the most atrocious killers from the team's past, nicknamed "Th...

The BAU team follows a trail of murders that seems to align with the tour schedule of a rock star.

The BAU is called to Oklahoma City to help local authorities track a serial killer who removes the eyes of his murder victims and keeps the eyes as souvenirs.

The team hunts a suspect who impregnates young women, has them give birth and murders them.

The team profiles a group of killers who travel as a pack and chose victims randomly. Tamara Barnes: Salli Richardson-Whitfield.

SSA David Rossi's personal and professional life is brought to the forefront when the BAU is called to investigate a case in Commack, Long Island, Agent Rossi's hometown.

The BAU must determine what caused a disturbed man to murder several people at a pharmacy before he harms anyone else.

As Rossi, Morgan and JJ profile a killer who is targeting an emergency room doctor, Prentiss realizes that Hotch is missing.

In one of its most difficult cases, the BAU is called to Detroit to help track down a serial killer who forces the team into Canada to catch him.

The BAU responds quickly after a serial killer releases a new strain of a deadly virus that threatens the public, which puts a member of the team at risk.

Local authorities summon the assistance of the BAU after a series of homicides occur that appear to have been caused by a serial killer's car near Bend, Oregon.

A serial killer sends the team a videotape recounting one of his murders--and also asking for help to stop killing. Vincent: Alex O'Loughlin.

A serial killer preying on children is in custody, but the case takes a twist when it's discovered that one of the murders may have been committed by someone else.

The BAU is called to Texas to investigate a serial killer who is targeting vacationing students on spring break on South Padre Island.

The BAU is summoned to Indiana by local authorities when a serial arsonist threatens the residents of a small town by setting fire to community meeting places that kills several people.

The BAU travels to Boston when the serial killer from one of SSA Aaron Hotchner's first cases, which involved one of the most notorious murderers in the history of New England, returns after 10 years.

The BAU is called to investigate a series of deaths involving exorcisms that appear to be sanctioned by the Vatican, and SSA Emily Prentiss finds herself personally involved in the case.

The BAU is called to investigate when a serial killer lures and kills high-powered executives by posing as a high-class call girl.

The BAU is called to assist in the pursuit of a serial killer who appears to be copying the methods used by famous murderers from the past.

The mother of an abducted child works with the BAU to apprehend a serial killer who kidnaps, murders, and embalms his victims.

The BAU is called to investigate when young women are being abducted by what appears to be a family working together.

When a young woman in an affluent Atlanta community disappears, the BAU suspects she may have been taken hostage by the partner of a pair of serial killers.

The BAU is called to assist local law enforcement in investigating a serial killer who murders luxury car owners as they drive along Southern California freeways. The case is complicated because the heinous acts are rand...

As a former cop, Morgan takes it personally when a serial killer specifically targets officers on the police force in Phoenix, Arizona.

A serial killer who has perfected his skill as a pick-up artist uses his prowess to lure his next victims.

when a narcissistic psychopath confesses he has killed seven people and more will die, the team must locate his latest victims before it is too late.

As Reid's investigation of a young boy's murder in Las Vegas continues, he discovers possible connections to his own past.

When a young boy is kidnapped in Las Vegas, Reid begins to have dreams that force him recall forgotten memories from his childhood as he investigates the case

The BAU investigates a series of murders in Modesto, California, that appear to be connected to a killer who jumps trains and chooses his victims based on their proximity to the railway.

The BAU joins the manhunt in Sherwood, Nevada, to catch a serial killer who conceals the manner of his crimes by staging car accidents.

After Prentiss and Reid go undercover to investigate alleged child abuse at the compound of an underground cult, they are taken hostage when a federal raid on the fortress goes bad.

When a series of murders are linked to a serial killer who was executed a year ago, the BAU must find the connection between him and the current killing spree.

When an SUV carrying members of the team explodes, the rest of the team fights to save them and catch the terrorists responsible for the bombing.

The BAU faces one of its toughest cases when the team is called to New York City to determine if a series of random shootings is the work of one serial killer or a team of killers working together.

After a suspected serial killer wakes up from a coma, the BAU reopens the case and uses brain fingerprinting to determine if he really doesn't remember the crimes that had been committed four years earlier.

Morgan, Prentiss, Reid, and JJ trail a dangerous stalker, who followed a woman across state lines. They want to stop him before he gets close to the woman, the object of his affection. Meanwhile, Hotch and Rossi follow a...

Conflicted by his own sexual identity, a serial killer targets gay men as his victims. Hotchner, Rossi and the rest of the team travel to Miami to catch this killer and stop his raging crime spree. During the trip, J.J. ...

The team profiles a series of murders in a small Texas town only to discover that the chosen victims committed an injustice against the killer and their deaths are his revenge.

The BAU is called to Pittsburgh after an unusually high suicide rate appears to be the work of an Angel of Death.

Rossi travels to Indianapolis to continue his investigation into the two unsolved murders that have plagued him for 20 years.

After the contents of a self-storage unit purchased at an auction take the BAU to Philadelphia to investigate a series of murders, the local agent becomes the center of the case. To catch the killer, the team must profil...

When one teenager is found murdered and her best friend is abducted in Chula Vista, California, the BAU must profile the killer and find him before he kills the other teen.

The new sheriff in Fredericksburg, Virginia, requests the BAU's assistance in the investigation of a series of mutilation murders that appear to mimic similar crimes that had occurred over two decades earlier.

The BAU and local authorities in Los Angeles investigate gang-related serial killings that might possibly involve a famous comic book artist.

As Garcia fights for her life in this conclusion of a two-part episode, the BAU's search for her attacker leads the unit to believe the assailant could be someone close to the investigation.

In the first of a two-part story, the BAU pursues a cannibalistic serial killer in Bridgewater, Florida, that leads Morgan to a crisis in his faith. Garcia believes she has met her dream man, but her first date with him ...

The BAU is called to Montana to investigate the case of three kidnapped and murdered women. When another woman disappears, the search leads to a man who has apparently assumed the identity of his partner who committed su...

The BAU travels to Dallas to assist in the search for a murderer who scares his victims with "missing" flyers that display the soon-to-be victims' photos. Also, SSA David Rossi returns to the BAU from retirement.

The investigation turns to the family as the BAU and local authorities race against time to locate a young girl who has disappeared from a shopping mall in Potomac Mills, Virginia.

When home invasions involve the murder of entire families, the BAU is called to Denver to identify the killers who possibly have been abused while in foster care.

The BAU travels to Portland to assist local authorities in investigating the disappearances of people who are new to the city and have no strong social ties. All the clues lead to a psychiatrist who may be using his pati...

With Gideon missing, and Hotch and Prentiss off the team, the BAU investigates one of its most difficult cases yet as the remaining agents track a serial killer in Milwaukee who abducts women in public places by using hi...

The team investigates a serial killer who is targeting women at a small college in Flagstaff, Arizona. The BAU shuts down the campus, creates a detailed profile of the unsub, and arrests a suspect. However, the team memb...

When the prolific serial killer Frank returns and murders Gideon's girlfriend, Gideon takes off to find him without telling the team where he is going. The BAU must then profile Gideon as well as Frank to find both of th...

When homeless persons begin going missing mysteriously from the streets in Kansas City, a local detective calls the BAU to investigate the disappearances.

The BAU is called to investigate after the bodies of missing people are discovered in a remote region of the Idaho wilderness. The gruesome find also leads the team to determine the unsubs have been hunting humans for sp...

Elizabeth Prentiss, a foreign ambassador and SSA Emily Prentiss' mother, seeks the aid of the BAU when a Russian immigrant is kidnapped and held for ransom.

A serial arsonist who targets the homes of upper-middle-class families as they sleep is investigated. The BAU determines the arson victims are linked together through corporate development companies that have been accuse...

A case involving a serial killer believed to be copying Jack the Ripper takes Gideon to New Orleans after three victims are found with their throats cut. Once thought to have been killed in Hurricane Katrina, the discove...

The BAU travels to Houston to investigate a series of murders that have occurred near construction sites and abandoned buildings. Because the murders appear to be random, the team believes the killer could be a homeless ...

The BAU becomes involved to prevent a possible race riot when the murder of four young black women in a mostly white New York suburb appear to be hate crimes.

In this conclusion of a special two-part episode, finding the serial killer becomes critical to the BAU when the team realizes Reid is being held captive and a live feed of him being tortured is shown on the internet. Me...

n this special two-part episode, the BAU is called to investigate after a wealthy couple is murdered in their home following a Super Bowl party. The team pursues what they believe might be multiple killers who use webcam...

Gideon is pitted against the scariest and most evil murderer in his entire career. When the BAU confronts the sadistic killer in a remote diner in the Nevada desert, the local authorities want to move quickly and make an...

Morgan is arrested as a serial killer after he goes home to Chicago to visit his family. Because the detective making the arrest had used a profile provided by Gideon, the team travels to Chicago to help the local author...

The BAU is called to investigate the serial murders of prostitutes in Washington, D.C., and suspect a teenager is guilty of the crimes. The case becomes complicated when a congresswoman about to make a speech to praise t...

Gideon, Reid and Prentiss travel to Guantanamo Bay to interrogate the leader of a terror sleeper cell being detained there after a chemical weapons dispersal device is discovered during a raid at a suspicious house. Work...

The daughter of high-powered diplomats, Special Agent Emily Prentiss joins the team, and she must convince Gideon and Hotchner she deserves the job based on merit and not on her family connections. The BAU is then called...

The BAU travels to Seattle to identify and catch a serial bomber who has been terrorizing the city and targeting centers of automated techology. Working with the author of a science fiction novel that has become a guide ...

After a man kidnaps three teenaged girls and locks them in a cellar, he tells them only two of them will live and they must choose which one will die. The BAU takes the case when the mother of one of the girls travels to...

The BAU travels to a small Texas community to investigate the murders of children. Meanwhile, Elle is having readjustment issues after being shot, and Hotch becomes worried about her when she misses a mandatory psych eva...

The BAU investigates a serial rapist who had been attacking young women at religious schools and stopped for six weeks. He has resumed his attacks, but is now targeting a different demographic of women. Elle makes a deci...

The BAU is called to investigate a series of bank robberies after it becomes evident the crimes are not based on money because the robber abuses his victims by forcing them to undress before he leaves the crime scene.

The BAU has reason to believe a series of murders might have been committed by two people working as a team after the victims' families receive DVDs after each crime that includes psychological attacks.

A young boy who had disappeared a year ago turns up for sale by a child pornographer on an online auction. A former profiler who now heads the FBI's Innocent Images Unit asks Gideon and the BAU to help her save the boy's...

The team continues to decipher the clues given to each of them by a psychopath in order to save his most recent victim. Gideon decides not to focus on the personal aspects of the case. Rather, he tells the team to profil...

While on their separate vacations, each member of the BAU receives a clue from a psychopathic killer who challenges them to save his next victim.

The BAU works with the CIA to identify a mole within that organization whose leaks are putting operatives at risk.

The BAU works to capture a serial killer who has evaded capture by altering his appearance.

The BAU travels to Mexico to aid in the capture of a serial killer who has targeted elderly women.

Reid finds himself in danger when he falls for a starlet whose stalker has turned into a killer.

The BAU travels to New York City to investigate a series of murders that appear to have been committed by a vigilante who is exacting revenge on other criminals who have been released by the justice system.

When college students in New Mexico are found tortured and murdered in an unoccupied house, the BAU suspects a group of killers with a knowledge of Native American rituals is responsible.

When a serial killer reappears, the team works with a retired BAU agent who just published a book about the perpetrator.

The team of investigators interview husband and wife serial killers with their execution date set for two days time.

The apparent spiking of citizens of a town in New Jersey, puts the BAU on the trail of a poisoner who may not be done.

The team must determine whether an abducted girl is the pawn in a bitter divorce, or something more sinister has happened

The BAU team investigates a series of violent murders of a psychotic killer who engages in anthropophagy (Canabalism). Meanwhile Gideon, having injured his leg, is forced to work with Garcia back in Quantico.

The apparent death by Satanic ritual brings the BAU to a small town, and the profiling morphs into a search when it's learned that a teenage girl is missing.

A paranoid schizophrenic takes other passengers on a train hostage, including Elle.

The disappearance of an undercover officer in relation to a triple murder puts the BAU on the hunt of a possible serial killer who's turned it into a profession.

The team attempts to catch a killer who preys on families while they are supposed to be on vacation.

The BAU is asked to identify a killer who is shooting at victims in broad daylight, and the team works with local law enforcement officers to recreate one of the shootings.

The team investigates the kidnapping of one of the twin daughters of an Executive Assistant US Attorney.

The BAU travels to San Diego to stop a rapist and murderer who commits his crimes in the middle of the day. The suspect appears to blend into the neighborhood so well the local authorities have been unable to capture him...

Gideon and the Behavioral Analysis Unit team goes to Palm Beach to investigate a serial bomber who turns out to be a copycat of Adrian Bale, a bomber responsible for murdering six FBI agents.

The team of investigators tries to capture a serial arsonist who has been terrorizing a college campus. Most of the evidence from the fires had been burned beyond recognition, so Gideon and the BAU must rely on psycholog...

After a fourth woman goes missing in Seattle in a period of four months, the BAU is brought in to track down the abductor before he kidnaps again. Meanwhile, SSA Aaron Hotchner is asked to evaluate SSA Jason Gideon secre...