316: Devil You Know
401: Friends And Enemies
110: The Time Is Now
522: The Internet Is Forever
603: Remembrance Of Things Past
When several women are found murdered in a similar fashion, Rossi revisits a cold case that has haunted him for 25 years, causing him to suspect that the original killer is at work again. Guest stars include Daniel J. Travanti as Mr. Mullens, the original unsub that Rossi hunted in the first string of killings years ago, who now suffers from Alzheimer's Disease.
604: Compromising Positions
605: Safe Haven
The BAU team is on the trail of a serial killer targeting families throughout the Midwest. Meanwhile, Morgan is concerned when Ellie runs away from her foster family and pays him a visit. Emmy Award winner Mare Winningham ("Hill Street Blues") guest stars as "Nancy Riverton, a mother who takes the possible suspect into her home, and Isabella Murad returns as "Ellie Spicer, "Detective Spicer's daughter.
606: Devil's Night
The BAU team must find a killer who has struck Detroit for the past three years solely during the raucous pre-Halloween celebration "Devil's Night." Guest stars include Ernie Hudson ("Oz") as Detroit Police "Lieutenant Al Garner; Leonard Roberts ("Heroes," "Drumline") as "Kaman, a suspect in the Devil's Night slayings; Carl Lumbly ("Alias," "Justice League") as diner owner "Jay-Mo; and Michael Warren ("Hill Street Blues") as "Tom, another potential victim.
607: Middle Man
608: Reflection Of Desire
When a kidnapped woman is found murdered in an alley in Georgetown, the BAU team goes on the hunt for the killer before he can strike again. Guest stars include Academy Award Nominee Sally Kirkland ("Anna," "JFK") as 1950s film actress "May, and Robert Knepper ("Heroes," "Prison Break") as her devoted son, "Rhett.
609: Into The Woods
610: What 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. Rachel Nichols ("Star Trek," "Alias") guest stars as "Agent Ashley Seaver, an FBI cadet with a troubled past who assists with the case.
611: 25 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. Rachel Nichols ("Star Trek," "Alias") returns as "Agent Ashley Seaver. Guest stars include Kyle Secor ("Homicide: Life on the Street") as recently paroled "Don Sanderson and Philip Casnoff ("Sinatra," "Strong Medicine") as "Congressman James Stanworth.
613: The 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. Guest Stars include Adrienne Palicki ("Friday Night Lights," "Lone Star") and Jonathan Tucker ("The Black Donnellys") as "Sydney and "Ray, the young lovers on the run; and Angus Macfayden ("Braveheart") as "Sean McAllister, Prentiss' former colleague.
809: A Nightmare On State Street