The team faces a challenging task as they look for multiple serial killers; one who cuts out women's faces and another who cuts off men's torsos.
JJ is hospitalized in critical condition after sustaining several injuries, and Grace escapes from custody.
The Behavioral Analysis Unit looks into seemingly random deadly explosions across Kentucky and Tennessee.
The team chills out on Saturday in very different ways, with Rossi and Prentiss giving a hand to Simmons to put together a new crib.
After a series of deadly shootouts, the team travels to Des Plaines, Illinois to investigate what seems to be a copycat serial killer.
Following the kidnapping of a father and daughter, a former enemy of the team returns with particular demands for Dr. Reid.
Prentiss has to examine her relationship with Special Agent Andrew Mendoza after the team heads to Denver to look into multiple murders.
Prentiss and JJ agree to make a decision about their future, while the team faces new challenges.
One year after Rossi almost died at the hands of Everett Lynch, the team embarks on an epic manhunt to take down Lynch.
After a fierce confrontation with Everett Lynch, Dr. Reid sustains a brain injury, while the team gathers on the occasion of Rossi's retirement.