Original air date: 10/03/2018 Runtime: 41:42 min. When Reid and Garcia are abducted by Benjamin Merva (Michael Hogan), it's up to the rest of the team to find them. The BAU finds surprising clues in their own history to solve why the two heroes have been targeted by a mass murderer. It's a race to save them before a "Believers" prophecy is fulfilled.
Original air date: 10/10/2018 Runtime: 43:02 min. When the mummified remains of numerous victims are found in the walls of an elderly couple’s remote South Carolina home, Rossi, J.J. and Simmons are dispatched to track down a trail of clues that date back over 20 years. The hunt becomes urgent after BAU learns the killer has a specific ritual of when to strike, and like clockwork another person goes missing. Also, Rossi reconnects with his ex-wife, Krystall (Gail O’Grady). Gail O’Grady guest stars.
Original air date: 10/17/2018 Runtime: 41:29 min. When packages with gruesome contents are delivered to six people in the Washington, D.C. area, the BAU must first figure out what connects the recipients before they can identify the UnSub. Also, Simmons and Kristy (Kelly Frye) struggle to connect with their son, David, who is suspended from school for aggressive behavior.
Original air date: 10/24/2018 Runtime: 40:38 min. Soon after the BAU steps in to help local law enforcement isolate a prime suspect for a ritualistic murder in Tallahassee, Fla., a second person who is related to the first victim is killed under similar circumstances. Also, Prentiss is concerned about Garcia’s behavior in the aftermath of her abduction and has an idea of how to help with the healing process.
Original air date: 10/31/2018 Runtime: 43:03 min. The BAU investigates a spooky local ghost story of the "Tall Man" and the clues it provides when two people go missing in the woods of East Allegheny's Dead Man's Conservatory, and a third mysteriously surfaces the following day with limited details as to what happened to her friends. To assist with the case, JJ reluctantly returns to her hometown, triggering emotional flashbacks to age 11 and her older sister's tragic death.
Original air date: 11/07/2018 Runtime: 41:14 min. The BAU heads to Bethesda, Md., to investigate four murders in the span of three days along the eastern seaboard. The crimes become personal for Alvez, when the team discovers there are ties to his time spent five years ago working alongside the DEA and the Mexican police force in pursuit of the most notorious hitman in Mexico. Also, Alvez and his girlfriend, Lisa (guest star Daniella Alonso), decide to move in together.
Original air date: 11/14/2018 Runtime: 40:59 min. It's literally a race against the clock for the BAU to capture the vigilantes behind a series of attacks taking place every 27 minutes in the nation's capital. Prentiss and Unit Chief Andrew Mendoza lead the effort to identify the Unsubs and what's motivating them.
Original air date: 12/12/2018 Runtime: 43:17 min. Prentiss faces her past when the BAU is sent to investigate the murders of prominent businessmen, all of whom are missing their hearts. Also, Prentiss plans a romantic first date with Mendoza (guest star Stephen Bishop), but the evening is cut short by an urgent call from Rossi.
Original air date: 01/09/2019 Runtime: 43:16 min. Prentiss and The BAU team fly to Iowa to investigate the disappearance of three 10-year-old children who appear to have been abducted from their homes in the middle of the night, with surveillance video from a neighborhood park as their only lead to finding the children's whereabouts.