101: Extreme Aggressor
A vicious serial killer has just abducted his next victim, and with precious few clues to his identity, the FBI calls in the Behavioral Analysis Unit, an elite squad of profilers led by special agent, Jason Gideon. Gideon's team meticulously pieces together a portrait of the killer leading to the arrest of their prime suspect. But when inconsistencies with the original profile appear and the interrogation fails to uncover the whereabouts of the latest victim, the team concludes that two killers must be working together. After an exhaustive investigation, the team tracks down the second killer to his hideout leading to an intense stand-off between the madman and Gideon.
103: Won't Get Fooled Again
On a sunny Florida morning, Mr. Clurman carrying a package, walks to his car. He's intercepted by a former client who threatens Mr. Clurman because of a business deal that has gone bad. As Clurman puts the package into his car, the package explodes, severely injuring Mr. Clurman. Our team is notified of this event and as they begin their investigation they see another bomb explode near Mr. Clurman's home “ live on TV. The team heads to Florida where Gideon questions Clurman in the hospital. Back at the BAU, Morgan rebuilds the bomb fragments and discovers that the device is an exact replica of bombs made by Adrian Bale, a serial bomber. Bale is currently serving time in an Atlanta prison for murdering Gideon's former BAU team in Boston a few years ago. Gideon goes to the prison and interviews Bale. Gideon realizes that Bale isn't behind the current bombings but it is a work of a copycat.
105: Broken Mirror
Trish Davenport, the daughter of a powerful federal prosecutor is kidnapped and the BAU is called in to find her. They discover that Trish is a "mirror twin and her sister, Cheryl, becomes a target of the same kidnapper when he tries to abduct her as she makes the ransom drop. However, the BAU team thwarts this kidnapping attempt enraging the unsub who profiles our team members and taunts them with their weaknesses.
On a sunny afternoon in Franklin Park, three people are brutally shot in their stomach. The BAU is called in to investigate and to find this Long Distance Serial Killer (L.D.S.K.). They surmise that the LDSK isn't a sadist but a paranoid sociopath who will continue his shooting rampage. The LDSK continues his shooting spree by wounding three other victims at a local cafÃ©.
115: Unfinished Business
After nearly twenty years of silence, a serial killer contacts the BAU with the promise that he will kill another victim in five days. As the team springs into action, Gideon enlists the help of a former colleague who worked the case when it was fresh to help find the killer.
116: The Tribe
When five college students are brutally tortured and murdered in the manner of the rituals practiced by Native American tribes during the Indian Wars, the BAU team investigates the residents of the nearby Indian reservation as well as the surrounding community to find the pack of killers.
117: A Real Rain
A series of seemingly random killings in Manhattan have the NYPD fearing that hey have a serial murderer copying the infamous "Son of Sam but, when our team is brought in, they discover a link between the victims that leads to a vigilante taking revenge on criminals let go by the justice system.
122A: The Fisher King
Everyone needs a vacation. Even our team. However, a "Saw-like killer (who leaves confounding puzzles) has decided that he is going to play with the BAU. Members of our team, all on vacation, are each confronted with a body and a unique type of puzzle in their individual locations. The puzzles are going to require all of their individual skills to solve and they get back together to do just that. But, as the season comes to a close, they realize that the killer's ultimate goal is to claim as his prize, one of our agents themselves. And, in this cliffhanger ending, we find one member of our team alone with a killer.