The BAU travel to Rapid City after two male victims are discovered murdered in a ritualistic manner. Also, Reid continues to grieve over Maeve's death.
When a time capsule in a small Colorado town is opened 25 years later and contains a gruesome discovery, the BAU investigates that crime and a possible link to the death of a local police officer. Pamela Bellwood guest stars.
The BAU goes to Morgan's old neighborhood in urban Chicago in search of an UnSub targeting middle-aged men, and a clue leads Morgan to believe that they are after someone connected to the man who molested him as a child. Skipp Sudduth and Julius Tennon guest star.
The BAU investigates victims who were documenting their personal lives and inner desires on blog posts and social media. Also, Kevin gets jealous when he learns Garcia may have a new love interest.
When victims are found in Philadelphia in a similar style to victims of The Replicator, the stalker who has been tracking the BAU's every move, the team thinks this could be the break they need to try and apprehend him. Scott Grimes guest stars.
The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes.
When the daughters of Bruce Morrison (Ken Olin), a writer whose wife mysteriously vanished a year ago, go missing on the anniversary of their mother's disappearance, the BAU is brought in to study Morrison as a possible suspect.
While Reid copes with a loss in his personal life, the rest of the BAU travels to San Francisco to investigate victims discovered in the Mission District. Jamie Luner guest stars.
When Reid discovers that his girlfriend has been kidnapped by her stalker, he and the BAU team band together to find her before it's too late.
The BAU heads south to investigate a fast-moving UnSub whose signature matches that of a serial killer from 30 years ago. Also, the team learns that someone is tracking their cases and replicating crimes the BAU is solving.
The BAU investigates a series of male bodies that have been oddly disposed of, finding themselves in search of a killer with ritualistic tendencies. Also, Reid gets anxious when faced with the possibility of meeting his mystery woman. Series star Matthew Gray Gubler directs the episode.
When a recent attendee at a popular motivational speaker's conference in Seattle is murdered, the BAU looks at the speaker as the main suspect, but they have to refocus their investigation when the speaker himself goes missing. Also, Garcia is puzzled when Morgan declines to attend a dinner honoring an old family friend.
The BAU team goes in pursuit of a missing school bus full of children outside the Washington, D.C. area, and it becomes a race against time for them to bring them home safely. Andrew James Allen and David Gallagher guest star as brothers Josh and Matt Moore, and Reggie Hayes as Detective William Richards.
The BAU travels to Santa Monica when burned bodies of homeless people begin showing up by the famous pier. Also, Rossi reconnects with his former Marine sergeant from Vietnam (Meshach Taylor).
When prostitutes in Miami are discovered murdered in a similar style to local animals found dead there, the BAU must work fast to find an UnSub whose confidence is quickly escalating. Also, Morgan tries to increase Reid's athletic skills by convincing him to join the bureau softball team. Matthew Lillard guest stars as David Roy Turner.
When four men go missing in rural Oregon, the BAU searches for a common link among them in order to track them down. Also, JJ gets upset when her son Henry doesn't want to celebrate Halloween this year. Anne Dudek guest stars as Farmer Emma Kerrigan.