A ritualistic killer is hunted after male bodies are found that have been physically altered. Meanwhile, Reid gets anxious at the prospect of meeting his mystery woman.

An attendee at a popular motivational-speaker’s conference in Seattle is murdered and the speaker himself disappears soon afterward. Meanwhile, Garcia is puzzled when Morgan refuses to attend a dinner honoring an old family friend.

The BAU team goes in pursuit of a missing school bus full of children outside the Washington, D.C. area, and it becomes a race against time for them to bring them home safely.

The BAU travels to Santa Monica when burned bodies of homeless people begin showing up by the famous pier. Also, Rossi reconnects with his former Marine sergeant from Vietnam.

When prostitutes in Miami are discovered murdered in a similar style to local animals found dead there, the BAU must work fast to find an unsub whose confidence is quickly escalating. Also, Morgan tries to increase Reid’s athletic skills by convincing him to join the bureau softball team.

The team heads to Oregon as four men have gone missing.

When a legless body is found in the New Mexico desert and a second unwilling amputee shows up at the hospital, the BAU team searches for this amateur surgeon before he preys upon his next reluctant victim. Also, Reid’s phone calls to a mystery woman have the team intrigued.

An UNSUB who kidnaps families with the intention of making them admit to and pay for their indiscretions.

When the bodies of two seemingly unrelated victims are found just hours apart in San Diego and Los Angeles respectively, the BAU suspects that that not one, but two killers are working together to commit these murders.

When a Texas prisoner escapes during a transfer, he leaves behind victims with his unique trademark, sewing their mouths shut, a signature the BAU remembers as unique to the UnSub “The Silencer.” While they investigate who he was and who he’s become, the BAU also gets to know the newest member of the team.

As the BAU team continues to pursue the bank-robbing serial killers, the team determines that the suspects have a bigger target in the Nation’s capital, and with one of the team still a hostage, they must work quickly to diffuse an explosive situation. Also, wedding bells ring for one of the BAU, and Prentiss ponders her future.

When the BAU goes up against a gang of serial-killing bank robbers in Washington, D.C., the team tries to negotiate the situation unfolding inside the bank, but the stakes rise when one of their own becomes a hostage.

Rossi and the team teach college students the science of criminal profiling by taking the class through a serial-killer case that spanned 20 years.

A serial killer is executed, in Oklahoma, a copycat shows up and the BAU are called to find him. Meanwhile, Prentiss gets nervous about a real estate purchase.

When Morgan’s sister sees a woman who looks like their presumed-dead cousin, Cindi, it forces Morgan to confront a lie he told his family last year to provide closure and compels the BAU to reopen the case of her disappearance.

The BAU team heads to Oregon to investigate a series of gothic, ritualistic murders.

The team hunts for a kidnapper when an emaciated boy is found in the desert and another goes missing.

When married couples fostering young children end up being killed in Seattle, the BAU team looks for an unsub with a maternal-yet-murderous instinct. Also, Garcia fears a possible proposition from Kevin.

When the BAU travels to Atlanta to investigate the murders of women, the clues lead them to look for an unsub who is not working alone.

The BAU team investigates a series of brutal home invasions and murders in California’s Inland Empire that appear to be gang-related, but their investigation may uncover a more sinister motivation.

The team hunts a killer when bodies are found hidden in lifeguard towers on Southern California beaches.

The BAU tries their luck in Atlantic City when the team is called in to investigate a series of ritualistic casino-related murders. Also, after a spat with her boyfriend, Kevin, Garcia thinks she and Morgan may have gotten a little too friendly with each other.

The team is called to Texas to search for a serial rapist in Houston known as “The Piano Man” who has returned and is attacking his past victims. Meanwhile, Prentiss begins to deal with the traumatic experience caused by Ian Doyle after returning to the BAU.

A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Also, Reid ponders if he should be doing more with his genius abilities.

The investigation of a series of bludgeonings in Philadelphia leads the team to the city’s boxing scene; Hotch connects with a fellow runner while training for the triathlon.

The BAU team looks into the real reasons behind an apparent mass suicide of a small group of youths at a military academy. Also, Hotch and Morgan butt heads when a team member could be in jeopardy.

It’s personal for Garcia when the BAU investigate the disappearance of a woman in her survivors’ support group whose daughter went missing seven years earlier.

When a series of tornadoes hits Kansas, the BAU is called in to investigate bodies of young boys that turn up in the aftermath of the storms. Also, work pressures cause tension on JJ’s home front.

The BAU search Californias Angeles National Forest after a number of bodies mysteriously turn up in the mountain lakes there. Also, Rossi struggles with an agonizing decision regarding his ex-wife, Carolyn.

The BAU team investigates the abductions of young children with troubled mothers in St. Louis. Also, Rossi reconnects with his first wife who has shocking news for him.

Survivors of a Boise high school massacre return to remember the event 10 years later, but the BAU team is called in when a new killer with a similar style targets the survivors. Also, Hotch is worried that his son, Jack, may be a victim of school bullying.

The BAU team investigates a mass murder at an Internet security company in Charlottesville, Va., but clues reveal it is not a typical serial killer at work.

The BAU team searches rural Oklahoma when women are being found murdered after being robbed of one of their five senses. Also, JJ and Prentiss get the cold shoulder from Reid as he deals with their deception about Prentiss’ presumed death.

The BAU team is at a crossroads as they are questioned by a Senate Committee for their retaliatory actions in the wake of Prentiss’ loss, but an unexpected familiar face could help them win their case and keep the team together.

As the BAU searches for a suspected human trafficking ring when the bodies of two missing persons are found in the trunk of a car, Unit Chief Aaron Hotchner intimates there could be changes within the team due to budget cuts as Jennifer “JJ” Jareau returns to the FBI. The team is also assisted by SSA Andi Swan, the head of the Domestic Trafficking Task Force.

When the BAU is called to Florida after bodies are discovered buried in the ocean floor off the Jacksonville coast, the case hits home for Morgan because his aunt fears her missing daughter could be one of the victims.

The BAU is called to a North Carolina resort town after a woman is found badly injured and another woman is missing. On arrival, the team discovers these two women are not the only victims.

The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss’ scrutiny in the wake of the loss of Prentiss.

The BAU members investigate targeted killings in Tampa as they cope with their feelings about losing Emily Prentiss.

The BAU travels to Portland to investigate a suspected gang of murderers targeting a new victim each night.