Murdoc moves ahead with his plans for revenge against MacGyver by recruiting his recently released former cellmate to infiltrate the Phoenix Complex and kill every agent inside.
When the team intercepts a terror group's message for Murdoc, instructing him to kill a tech analyst, Mac poses as a psychopath to save the intended victim.
Mac's close friend from M.I.T. fakes her own death to prevent someone from killing her to suppress her scientific research.
After an earthquake in Hawaii, Mac and the team join Chin and Kono from the Five-0 task force to rescue a group of government scientists trapped in a building another group tries to steal top-secret weaponry from the scientists.
The BAU makes startling discoveries as they search for a 4-year-old girl who went missing while staying with a relative.
The team searches for a pair of suspects responsible for several murders near Pittsburgh Morgan and Garcia make Valentine's Day plans with their significant others.
The BAU learns of JJ's kidnapping, they discover that Cruz has also been abducted and delve into the files of a classified assignment the team uncovers details of INTEGRITY, the covert database born out of the operation to find Osama bin Laden.
The team searches for missing teens who are suspects in a series of mass murders in Chicago.
A series of strangulations leads the team to look for a killer who keeps mementos of his victims Rossi's favorite bar is in danger of closing.
Ritualistic murders lead the team to believe their suspect may have a fascination with the Salem witch trials Garcia plans a Day of the Dead celebration.
As Hotch fights for his life after being stabbed, he has visions of his late wife and his nemesis when a teen goes missing, suspicions arise about her estranged father.
The BAU team meets the new section chief (Esai Morales), who shares a long history with J.J. an unknown subject leaves victims unable to communicate.
The BAU team must determine if the anniversary of the Kennedy assassination is a motivating factor when a sniper strikes Dallas.
As the hunt for a ritualistic killer continues, a bizarre familial connection could help the team zero in on the suspect.
After a tip about a dance company, the team investigates the abduction of a ballerina.
A former IIB colleague returns and ends up jeopardizing the team's success.
A serial killer imitates a past murderer while on maternity leave, Michelle must return to the IIB in order to save her reputation.
Toby struggles with PTSD after killing a suspect while the IIB attempts to stop an assassination.
Booth must be recertified for FBI marksmanship, but he is not the accurate shot he was before having brain surgery Brennan and Booth investigate the death of a little person who was a wrestler.
The Jeffersonian team investigates when the mutilated remains of a chicken farmer are found near a river the case prompts Angela to launch an animal-rights campaign.