Criminal Minds

When a number of ecstasy overdoses in Manhattan show a pattern, the team travels to the city for the profile. Hotchner is surprised, however, when the investigation reveals his long estranged brother is somehow involved.

The team must stay fluid with an unsub who changes his pattern with each strike made in Detroit. Elsewhere, Blake faces a big decision when her husband returns to her life with a major career plan for her.

The murder of two men in Rapid City, South Dakota, means a trip to the Black Hills for the team. Their profile is confounded by the ritualistic manner of the kills, though, and difficulty narrowing down a trigger from different environmental causes in the area. Meanwhile, Reid presses on with his duties while still coping with Maeve's death.

Middle-aged men are being targeted in Morgan's old neighborhood in Chicago. A lead makes Morgan believe the BAU is after someone associated with Carl Buford, the man who molested Derek as a child.

People who detailed personal milestones and intimate details of their lives on social media sites and blogs end up dead, leaving the BAU a whole digital world to profile. Back in D.C., Garcia's attraction to someone new sparks Kevin's jealousy.

The BAU is puzzled when a well-known motivational speaker disappears. He was, after all, their preferred UnSub in the murder of one of the participants in a recent conference he gave in Seattle. Now they must look elsewhere. Back at Quantico, Penelope tries to understand why Morgan won't go to a dinner for an old family friend.

Prostitutes are being discovered murdered in a similar way to animals in Miami, making the BAU work fast to find an UNSUB whose confidence is escalating really fast; and Morgan tries to increase Spencer's athletic skills by convincing him to join the Bureau's softball team.

Four men go missing in rural Oregon, so the BAU searches for a common link among them in order to track them down and find out what happened. Also, JJ gets upset when Henry doesn't want to celebrate Halloween

The team searches in New Mexico for someone who has been amputating limbs from random victims, and Spencer's secret phone calls to a mystery woman leave the team interested in who it might be.

In the first part of a two-part season finale, the BAU encounters a gang of bank-robbing serial killers in the nation's capital. As the team tries to negotiate the situation that is unfolding inside the bank, one of the team is taken hostage.

In a class where college students are being taught criminal profiling, SSA David Rossi and the team present one of the BAU's longest open serial killer cases, which takes the class through the Bureau's pursuit for a murderer that lasted nearly 20 years.

A copycat begins murdering women in the same Oklahoma town and in the same manner after an infamous serial killer is executed, and the BAU must move quickly before more people are killed. Meanwhile, Prentiss anxiously considers a large real estate purchase.

The BAU reopens the case of Morgan's cousin's disappearance after his sister sees a woman in Chicago who resembles Cindi. Morgan is forced to admit that he had lied to his family about Cindi's body being found in Florida, and the search begins to find her alive.

The BAU searches for a kidnapper when a scared and emaciated young boy is found in the Arizona desert and another boy goes missing. Meanwhile, Morgan revisits his own past and tries to bond with the boy who has been found.

When married couples that are fostering young children are being killed in Seattle, the BAU investigates the possibility they are being murdered by someone with a maternal instinct. Meanwhile, Garcia believes Kevin is about to ask her to marry him.