Episode 612, "Corazon" Tomorrow 8|7c
SEASON 6, EPISODE 612 - As the BAU travels to Miami to investigate a series of bizarre, ritualistic murders, Reid: suffers a series of blinding headaches and hallucinations that leave him concerned for his health. Rachel Nichols ("Star Trek," "Alias") returns as Agent Ashley Seaver.
SEASON 6, EPISODE 613 - 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.
SEASON 6, EPISODE 614 - The BAU travels to Los Angeles to investigate unusual murders throughout the city. Also, more of Prentiss' mysterious past comes to light. Guest stars include Brad William Henke ("Lost," "Dexter") as taxi driver Steve; Matthew Glave ("ER," "Army Wives") as Detective Bailey, who assists the investigation; Stacey Oristano ("Friday Night Lights") as missing woman Anisa Gold; and Timothy V. Murphy ("24") as Ian Doyle, a person from Prentiss' past.
SEASON 6, EPISODE 615 - 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. Guest stars include Rachel Miner as a missing person,Molly; Corbin Bernsen as Molly's father, Jerry; and Joshua Leonard as Molly's boyfriend, Lyle.