Original air date: 12/07/2016 Runtime: 41:18 min. The BAU team heads to Yakima, Wash., after the remains of a dozen people are found along a creek bed. Also, they welcome new team member Stephen Walker (Damon Gupton), a seasoned profiler from the Behavioral Analysis Program of the FBI.
Original air date: 02/01/2017 Runtime: 43:29 min. When a bizarre hieroglyph found under a deceased homeless man's armpit is the same from previous casualties a few years ago, the BAU is called in to investigate. Also, Reid decides to take his mother out of a clinical study early to bring her home with him. Jane Lynch guest stars.
Original air date: 02/15/2017 Runtime: 42:51 min. When a BAU member gets in trouble in Mexico, the team enlists the services of the International Response Team for their help. "Criminal Minds: Beyond Borders" stars Alana De La Garza and Daniel Henney guest star as Clara Seger and Matthew Simmons.
Original air date: 05/10/2017 Runtime: 43:34 min. Caught in an impossible scenario, Reid must square off with an old nemesis, and Derek Morgan (guest star Shemar Moore) comes to the team with a lead that might help catch Mr. Scratch, the elusive fugitive that has been tormenting the team all season.