Andy Cohen

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.

Emergencies include a skating mishap at an ice show, an accident involving a self-driving car and a fulfillment warehouse robot going rogue. Meanwhile, Eddie’s after-hours fight club gets out-of-control and Hen struggles in her relationship with Karen.

The team's Thanksgiving plans are put on hold while they track an elusive international arms dealer in D.C. who recently murdered an MI6 officer who was Sloane's close friend.

Maggie's budding romance takes flight. After a woman's shocking suicide attempt, Charles searches for answers. Hannah works to diagnose a patient who's new to the city and appears with mysterious symptoms.

A mortician's body is found in one of his own funeral home's caskets; Tommy visits with his son TJ; Jane's loved ones react to her news.

Nell and Eric track a husband and wife linked to the hacking of the U.S. Treasury Department.