5x1 23 Sept 2009 Nameless, Faceless As Rossi, Morgan and JJ profile a killer who is targeting an emergency room doctor, Prentiss realizes that Hotch is missing. 5x2 30 Sept 2009 Haunted The BAU must determine what caused a disturbed man to murder several people at a pharmacy before he harms anyone else. 5x3 7 Oct 2009 Reckoner The BAU investigates a case in Rossi's hometown that involves both his personal and professional life. 5x4 14 Oct 2009 Hopeless A group of suspects with a pack mentality who kill for the thrill of it are the subjects of a BAU manhunt. 5x5 21 Oct 2009 Cradle to Grave The team hunts a suspect who impregnates young women and has them give birth before murdering them. 5x6 4 Nov 2009 The Eyes Have It The BAU team tracks a serial killer who keeps the eyes of his victims as souvenirs. 5x7 11 Nov 2009 The Performer The BAU team investigates the mystery behind a trail of murders that all seem to align with the tour schedule of a rock star. 5x8 18 Nov 2009 Outfoxed The BAU team is tracking down a family annihilator, but needs to take a break from the case to get advice from "The Fox", who is an horrific killer from the team's past. "The Fox" surprises the team with a ominous message for Agent Hotchner. 5x9 25 Nov 2009 100 The BAU team races to help Hotchner find The Reaper and save his family before it's too late. 5x10 9 Dec 2009 The Slave of Duty The team needs to reunite in order to solve a home invasion case, while Agent Hotchner may have to leave the team. 5x11 16 Dec 2009 Retaliation The BAU is called upon to profile the past of an ex-convict and help stop him after he escapes from custody and embarks on a violent killing spree. 5x12 13 Jan 2010 The Uncanny Valley An unusual personal obsession is at the center of a BAU abduction case. Meanwhile, Hotch struggles with his return to work. 5x13 20 Jan 2010 Risky Business A rash of startling teen suicides in a small Wyoming town is the focus of a BAU investigation. 5x14 3 Feb 2010 Parasite The BAU follows the mental decline of a con artist whose schemes have become so complicated that he begins to eliminate the people involved in them. 5x15 10 Feb 2010 Public Enemy A serial killer who targets random victims in highly visible places to create a sense of public fear is the subject of a BAU investigation. 5x16 3 Mar 2010 Mosley Lane The BAU is called by local authorities in Ashburn, Virginia, to profile a predator who may have been abducting children for at least eight years. 5x17 10 Mar 2010 Solitary Man A truck driver is kidnapping women and disposing of them in random locations and the BAU must find out his motive in order to catch him. 5x18 7 Apr 2010 The Fight The BAU team travels to San Francisco to investigate the murders of several homeless men and teams up with a separate group of BAU operatives who are working another case they think is connected. 5x19 14 Apr 2010 Rite of Passage The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S. 5x20 5 May 2010 ...A Thousand Words The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim. 5x21 12 May 2010 Exit Wounds Garcia plays a crucial role in a case when she travels to Alaska with the BAU team to investigate the murders of several members of a small town. 5x22 19 May 2010 The Internet Is Forever The BAU team profiles a serial killer who uses the Internet as his hunting ground, bringing a whole meaning to the term "social networking". 5x23 26 May 2010 Our Darkest Hour A series of rolling blackouts in the city of Los Angeles lures a serial killer out of hiding, giving him renewed opportunities to continue his killing spree.