Season 6 (2010)
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Episodes 24
The Longest Night
The BAU team closes in on the serial killer as he continues his murder spree throughout Los Angeles - with Detective Spicer's kidnapped daughter as his hostage - in the conclusion of last season's cliffhanger.
Read MoreRemembrance of Things Past
When several women in Herndon, Virginia, are found murdered in a similar manner, SSA David Rossi reopens an unsolved cold case that has haunted him for a quarter of a century because he believes the original killer, who is suffering from Alzheimer's Disease, might have returned.
Read MoreCompromising Positions
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.
Read MoreSafe Haven
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.
Read MoreDevil's Night
The team searches for a killer who has struck the past three years during Detroit's raucous pre-Halloween celebrations.
Read MoreMiddle Man
The BAU must catch a group of serial killers that is killing exotic dancers and leaving their bodies in the cornfields of Indiana.
Read MoreReflection of Desire
The BAU becomes involved in the search for a kidnapped woman in the nation's capital after the body of a second kidnap victim is found in a Georgetown alley.
Read MoreInto The Woods
When an 8-year-old is found murdered on the Appalachian Trail, the BAU team goes deep into its forests in search of a man lurking in the wilderness who is targeting children.
Read MoreWhat Happens at Home...
The BAU searches inside a gated New Mexico community for a killer targeting women, and Hotchner looks to an FBI cadet with a unique past for help with the investigation.
Read More25 to Life
Morgan suggests that a man has been rehabilitated and aids in his parole, but later regrets his decision when the man murders someone days after being released.
Read MoreThe Thirteenth Step
The BAU hits the road to track down a pair of young lovers on an interstate murder spree. Also, Prentiss hears frightening news from her former boss at Interpol.
Read MoreSense Memory
The team investigates unusual murders in Los Angeles, and more information about Prentiss' past arises.
Read MoreToday I Do
The BAU is called to upstate New York to investigate mysterious disappearances. Also, Prentiss gets some disturbing news about one of her former Interpol colleagues.
Read MoreWith Friends Like These...
The BAU travels to Portland to investigate a suspected gang of murderers targeting a new victim each night.
Read MoreHanley Waters
The BAU members investigate targeted killings in Tampa as they cope with their feelings about losing Emily Prentiss.
Read MoreThe Stranger
The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss' scrutiny in the wake of the loss of Prentiss.
Read MoreOut of the Light
The BAU is called to a North Carolina resort town after a woman is found badly injured and another woman is missing. On arrival, the team discovers these two women are not the only victims.
Read MoreSupply and Demand
As the BAU searches for a suspected human trafficking ring when the bodies of two missing persons are found in the trunk of a car, Unit Chief Aaron Hotchner intimates there could be changes within the team due to budget cuts as Jennifer "JJ" Jareau returns to the FBI. The team is also assisted by SSA Andi Swan, the head of the Domestic Trafficking Task Force.
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