Original air date: 10/01/2014 Runtime: 43:37 min. The BAU team investigates a series of murders in Bakersfield, Calif., which have left the victims unidentifiable. Also, the team welcomes new agent Kate Callahan into the BAU fold, who assists them in their efforts in solving the cases. Jennifer Love Hewitt joins the cast as FBI undercover agent Kate Callahan. Kerr Smith guest stars.
Original air date: 10/08/2014 Runtime: 41:51 min. A series of abductions and murders in Seattle send the BAU seeking an UnSub who was abused in the past and is out for revenge. Meanwhile, Garcia heads to Texas to confront the man she shot while defending Reid and herself, as he waits on Death Row. C.S. Lee guest stars.
Original air date: 10/29/2014 Runtime: 43:03 min. When a young boy who went missing in San Diego on Halloween suddenly reappears one year later, the BAU must work fast when another trick-or-treater disappears under similar circumstances. Series star Thomas Gibson directed the episode. Gibson's son, Travis, guest stars as Jake McCauley.
Original air date: 11/12/2014 Runtime: 41:20 min. When victims with large social media followings are found dead in Maryland, the BAU searches for an UnSub taking on the persona of an Internet urban legend. Meanwhile, Morgan and Savannah struggle to find quality time for each other with their busy careers.
Original air date: 11/26/2014 Runtime: 42:09 min. The BAU investigates random murders in northern Virginia and searches for a conflicted UnSub who has an uncontrollable urge to kill but is also filled with remorse. Meanwhile, Rossi receives a visit from a woman who could hold a secret from his past. Tina Holmes and Amber Stevens guest star.
Original air date: 01/14/2015 Runtime: 42:46 min. When frozen bodies are found in Nevada floating in water, the BAU's investigation leads them to suspect that the victims were part of a cult that could be behind the deaths. Also, JJ confronts old demons from her abduction and torture last year. Grant Show and Faran Tahir guest star.
Original air date: 01/21/2015 Runtime: 41:35 min. The BAU searches Tallahassee for a serial killer who calls the authorities to report the crimes prior to committing murder. Also, as Rossi prepares for a weekend visit with his daughter, Joy, he receives startling news about the death of a comrade in Vietnam. Series star Joe Mantegna directed the episode.
Original air date: 01/28/2015 Runtime: 43:41 min. The BAU revisits its origins when they look at one of Rossi and Gideon's old cases to track a killer that got away. Series star Kirsten Vangsness co-wrote the episode with Erica Messer, one of the series' executive producers. Ben Savage and Arye Gross guest stars.
Original air date: 02/11/2015 Runtime: 41:46 min. Victims in California have the BAU searching for an UnSub who may have witnessed abuse as a child. Meanwhile, Kate shows parental concern when her niece, Meg, makes a date with a friend to meet a boy they met online. Greg Grunberg guest stars.
Original air date: 03/04/2015 Runtime: 43:02 min. When two guards at a privatized maximum security prison in Texas are murdered, the BAU suspects that more than one UnSub within the prison could be at work. Series star Thomas Gibson directed the episode. William Ragsdale guest stars.
Original air date: 04/08/2015 Runtime: 43:28 min. When a family of four is abducted while on vacation in Barbados, the BAU is called to assist Unit Chief Jack Garrett (Sinise) and his International Unit on their investigation. Garrett and his unit, the FBI's top division for handling cases involving Americans abroad, work jointly with Hotch and his team when they discover that this case matches one the BAU investigated last year in Florida. Gary Sinise, Anna Gunn, Daniel Henney, Tom Everett Scott, Bonnie Somerville, and Tyler James Williams guest star.
Original air date: 04/15/2015 Runtime: 42:48 min. When a Maryland family is found murdered at their dining room table, the team tracks down other family members and friends to uncover secrets that may have led to it. Also, Hotch must try to make peace with his father-in-law, Roy, after discovering he's been diagnosed with Alzheimer's. Edward Asner guest stars.
Original air date: 04/22/2015 Runtime: 42:22 min. When three people implicated in murders claim they were attacked by a "clawed shadow monster" at the moment each crime occurred, the BAU searches for an UnSub who is controlling their minds. Also, the search for the culprit puts one of the team in jeopardy. Series star Matthew Gray Gubler directed the episode. Bodhi Elfman, Thad Luckinbill, and Larry Merrin guest star.