Season 1

Team members become pawns of a psychopathic killer.

The BAU team investigates a CIA counter-terrorism unit to identify a traitor who had a fellow agent murdered and who is trying to find and kill the unit's informant, a Saudi woman with two children who are in hiding.

Team members track a known "chameleon" serial killer across the southeastern U.S. trying to stop him before he kills again.

The BAU is requested to assist on a case in Mexico to determine if there is a serial killer in the town of a police captain who attended one of Gideon's seminars.

In town to conduct a seminar, Gideon and Reid become involved in a stalker case that has escalated to murder.

The team travels to Manhattan to work with the NYPD in tracking and apprehending a serial killer who is intent on dispensing his own style of vigilante justice.

The massacre of students using Native American rituals leads the team to consult the reservation policeman, who is also an activist.

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 must profile a delusional killer in rural Tennessee, and a family member protecting him puts a child at risk.

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 team chases a sniper in Des Plaines, Illinois who for some reason only wounds his victims.

One of a lawyer's identical twin daughters is kidnapped. The kidnapper contacts him and demands ransom money. The team's investigation, however, reveals that he doesn't really want the money, but both girls.

A serial rapist-killer active in San Diego targeting middle class women glues his victims eyes open.

A bomber in Palm Beach forces Gideon to confront an old adversary.

The team are called to an Arizona college when an arsonist who operates in a very unusual way kills a student.

The team travels to Seattle to find the captor of four missing women.