An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.
Nameless, Faceless (Episode 1) 8.0
Writer: Chris Mundy
Air date: 2009-09-23
Runtime: 42 min
Overview: As Rossi, Morgan and JJ profile a killer who is targeting an emergency room doctor, Prentiss realizes that Hotch is missing.
Haunted (Episode 2) 7.7
Writer: Erica Messer
Air date: 2009-09-30
Runtime: 40 min
Overview: The BAU must determine what caused a disturbed man to murder several people at a pharmacy before he harms anyone else.
Reckoner (Episode 3) 7.6
Writer: Dan Dworkin
Air date: 2009-10-07
Runtime: 40 min
Overview: The BAU investigates a case in Rossi's hometown that involves both his personal and professional life.
Hopeless (Episode 4) 7.6
Writer: Chris Mundy
Air date: 2009-10-14
Runtime: 42 min
Overview: A group of suspects with a pack mentality who kill for the thrill of it are the subjects of a BAU manhunt.
Cradle to Grave (Episode 5) 7.9
Writer: Breen Frazier
Air date: 2009-10-21
Runtime: 41 min
Overview: The team hunts a suspect who impregnates young women and has them give birth before murdering them.
The Eyes Have It (Episode 6) 7.9
Writer: Oanh Ly
Air date: 2009-11-04
Runtime: 42 min
Overview: The BAU team tracks a serial killer who keeps the eyes of his victims as souvenirs.
The Performer (Episode 7) 8.0
Writer: Holly Harold
Air date: 2009-11-11
Runtime: 40 min
Overview: The BAU team investigates the mystery behind a trail of murders that all seem to align with the tour schedule of a rock star.
Outfoxed (Episode 8) 8.2
Writer: Simon Mirren
Air date: 2009-11-18
Runtime: 39 min
Overview: 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.
100 (Episode 9) 8.8
Writer: Erica Messer
Air date: 2009-11-25
Runtime: 42 min
Overview: The BAU team races to help Hotchner find The Reaper and save his family before it's too late.
The Slave of Duty (Episode 10) 8.0
Writer: Rick Dunkle
Air date: 2009-12-09
Runtime: 42 min
Overview: The team needs to reunite in order to solve a home invasion case, while Agent Hotchner may have to leave the team.
Retaliation (Episode 11) 7.7
Writer: Erica Messer
Air date: 2009-12-16
Runtime: 40 min
Overview: 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.
The Uncanny Valley (Episode 12) 8.3
Writer: Breen Frazier
Air date: 2010-01-13
Runtime: 41 min
Overview: An unusual personal obsession is at the center of a BAU abduction case. Meanwhile, Hotch struggles with his return to work.
Risky Business (Episode 13) 7.9
Writer: Jim Clemente
Air date: 2010-01-20
Runtime: 40 min
Overview: A rash of startling teen suicides in a small Wyoming town is the focus of a BAU investigation.
Parasite (Episode 14) 7.3
Writer: Oanh Ly
Air date: 2010-02-03
Runtime: 39 min
Overview: 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.
Public Enemy (Episode 15) 7.5
Writer: Jess Prosser
Air date: 2010-02-10
Runtime: 42 min
Overview: 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.
Mosley Lane (Episode 16) 8.4
Writer: Erica Messer
Air date: 2010-03-03
Runtime: 42 min
Overview: 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.
Solitary Man (Episode 17) 7.5
Writer: Kimberly A. Harrison
Air date: 2010-03-10
Runtime: 41 min
Overview: 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.
The Fight (Episode 18) 7.5
Writer: Edward Allen Bernero
Air date: 2010-04-07
Runtime: 42 min
Overview: 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.
Rite of Passage (Episode 19) 7.6
Writer: Victor De Jesus
Air date: 2010-04-14
Runtime: 39 min
Overview: The BAU team heads to Texas to track a serial killer targeting illegal immigrants attempting to make safe passage into the U.S.
...A Thousand Words (Episode 20) 8.1
Writer: Edward Allen Bernero
Air date: 2010-05-05
Runtime: 39 min
Overview: The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim.
Exit Wounds (Episode 21) 7.9
Writer: Rick Dunkle
Air date: 2010-05-12
Runtime: 42 min
Overview: 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.
The Internet Is Forever (Episode 22) 7.7
Writer: Breen Frazier
Air date: 2010-05-19
Runtime: 41 min
Overview: The BAU team profiles a serial killer who uses the Internet as his hunting ground, bringing a whole meaning to the term "social networking".
Our Darkest Hour (Episode 23) 8.1
Writer: Erica Messer
Air date: 2010-05-26
Runtime: 41 min
Overview: 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.