Criminal Minds

The Replicator reveals himself when he targets someone at the FBI, and the race is on to catch him before he can strike again.

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.

A kidnapper who target nannies and the children they mind annually sends the team to Los Angeles to profile the unsub.

A Colorado town celebrates the quarter-century anniversary of its time capsule by opening it. The macabre contents, however, occasion a call to the BAU, rather than a pleasant trip down memory lane.

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 Replicator makes his first mistake, and the team moves quickly to Philadelphia—where the victims are—to take advantage of their stalker's lapse.

A case where victims have had their watches set to the wrong time sends the team to Austin, Texas. Elsewhere, the team's stalker slowly closes in on his victims.

The BAU profiles an author whose daughters disappear on the same date his wife did a year ago.

Spencer tries to cope with a personal loss; meanwhile, the rest of the BAU head to San Francisco to investigate victims found in the Mission District.

When her stalker kidnaps Spencer's girlfriend, the BAU works together to find her before time runs out. But first, Spencer must come clean to the team about their relationship.

The team travels south to profile a quickly cycling killer whose signature matches a 30-year-old case. Meanwhile, someone analyzes data that reveals another killer is copying the BAU's closed cases.

Ritualistic markings on male victim's bodies mean a special profile for the unit. Elsewhere, the possibility of meeting his mystery caller makes Reid nervous.

The BAU team races against time to track down a missing school bus full of children outside of Washington, D.C.

The BAU travels to California when burned bodies of homeless people begin to show up by the famous Santa Monica Pier, and Rossi reconnects with his former Marine sergeant.

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.

The team investigates one family's murder and another's disappearance in Kansas, where they have trouble establishing connections between the families. Elsewhere, Hotchner is not prepared for Beth's announcement.

The BAU is called to two crime scenes in Los Angeles and San Diego. Although the murders appear unrelated, the team's profile posits two unsubs working together in a deadly pact.