Criminal Minds

The sixth-season opener concludes the team's search for the serial killer who is terrorizing Los Angeles and who now has LAPD Detective Spicer's daughter as his hostage.

J.J. tries to reunite a family with their missing daughter, while the BAU team suffers a tragic loss.

Several women are murdered, and a familiar pattern prompts Rossi to revisit a cold case that has troubled him for 25 years.

The team profiles a serial killer who targets married couples.

A serial killer targets families throughout the Midwest; Ellie Spicer runs away from her foster family and goes to see Morgan.

The team travels to Detroit to catch a killer who, for the past three years, strikes on "Devil's Night", the city's pre-Halloween ritual.

The team hunts for serial killers in Indiana who murder exotic dancers and dump their bodies in cornfields.

A kidnapped woman is murdered in an alley in Washington, D.C., and the team race to catch the killer before he strikes again.

The team hunts for a killer who is targeting children on the Appalachian Trail.

The team profiles a killer targeting women inside of a gated New Mexico community, and Hotch asks for help from an FBI cadet.

Morgan regrets his decision to help a prisoner get paroled when the man murders someone days after he's released.

When the BAU investigates a series of ritualistic murders in Miami, Reid suffers severe headaches and hallucinations that make him fear for his health.

The BAU goes on the trail of two young lovers on an interstate murder spree; Prentiss hears frightening news from her former boss.

The BAU travels to Los Angeles to investigate unusual murders throughout the city; Prentiss reveals more of her mysterious past.

The BAU is called to New York state to investigate mysterious disappearances; Prentiss hears disturbing news about one of her former Interpol colleagues.

Reid's connection with an autistic child could help the BAU locate the boy's missing parents; Prentiss enlists two former Interpol colleagues to hunt an old nemesis.

Prentiss suspects her old Interpol nemesis has committed a series of murders, making her fear for the safety of the BAU as he closes in on her.

As Prentiss confronts her nemesis, Ian Doyle, once and for all, the BAU calls upon a former team member to help find Prentiss and capture Doyle.

The BAU travels to Portland to head off a gang of suspected murderers before they target another victim.

The BAU investigates a killer striking Tampa while coping with the loss of Prentiss.

The BAU tracks a murderer who is stalking college students; the team comes under Strauss's scrutiny in the wake of losing Prentiss.

The BAU is called to a North Carolina resort town when a woman is found badly injured and another goes missing.

The BAU investigates bodies found buried in the ocean floor off Jacksonville; the case hits close to home for Morgan when his aunt thinks her missing daughter is one of the victims.

The BAU searches for a suspected human trafficking ring; Hotchner hints at changes at work as a team member returns to the fold.