Pop (East) (POP)

Pratt butts heads with a new colleague over his treatment of the interns. Meanwhile, Gates tends to a young patient's serious heart condition; Abby considers coming clean to Kovac about her affair as she travels to Croatia; and Sam discovers Gates and Julia are no longer together. (Repeat).

The BAU investigates when victims' bodies are incorporated into macabre graffiti art in Detroit. The team suspects that a notorious street artist is responsible. Meanwhile, Dr. Lewis struggles to balance her relationship with her fiancé and her work. (Repeat).

A woman is murdered in a Florida town comprised entirely of sex offenders, which leaves the BAU literally with a community full of suspects. Meanwhile, Lewis considers a career opportunity that could take her away from the BAU. (Repeat).

The BAU helps Rossi's journalist daughter investigate the disappearance of a college student. Meanwhile, the team is alarmed when Giuseppe Montolo dies in prison after he warns Morgan about the "Dirty Dozen," an underground group of hit men; and JJ returns from maternity leave. (Repeat).

Victims are kidnapped in Phoenix and forced to endure sleep deprivation. Meanwhile, JJ copes with exhaustion from juggling work and caring for her newborn son; and Hotch and Garcia deal with threats from the "Dirty Dozen," an underground hit man group. (Repeat).

After two undercover DEA agents are murdered and a third goes missing, the BAU joins the NSA to investigate whether an underground Internet drug syndicate is involved. Meanwhile, Hotch hopes the probe helps find the "Dirty Dozen" hit men ring. (Repeat).

The BAU searches for a suspect who is obsessed with medical experiments. (Repeat).

The BAU implements an elaborate strategy to take down the "Dirty Dozen" hit men ring, with Reid playing a central role. (Repeat).