Jaiden McLeod

Amy returns from maternity leave. Jake and Rosa work a difficult case.

The BAU searches for an UnSub who is purposely disfiguring victims. Also, Rossi has an awkward reunion with his ex-wife, Hayden Montgomery, who kept his daughter, Joy, a secret from him for nearly 30 years.

When Gemma hires Alexis (guest star Nicole Sullivan) to teach at her school, Tina suspects the new teacher may not be quite who she claims to be. Also, Calvin tries to save the community baseball field where he first taught Malcolm how to play.