Erin is worried about the choices her youngest daughter, Katherine, is making. When Dr. Phil questions the teen about some of her recent behavior, she storms out of the room. Find out what brought Katherine to her emotional boiling point. Get caught... (more) up with the Dr. Phil Family. Medical Mystery Katherine says she suffers from a pain that is sometimes so severe, she is unable to move, stand, work or go to school. To help determine what’s causing her pain, Dr. Phil teams up with The Doctors and sends Katherine for tests at UCLA Diagnostics. Addressing the Accusations Dr. Phil questions Katherine about accusations made by her mother, Erin, and Alex’s soon-to-be ex-husband, Chris. Find out what brings her to tears and causes her to storm out of the room. Concerned Mom After Katherine storms off, Dr. Phil talks to Erin, and they discuss a video message that she recorded about her daughter’s latest behavior. Find out what has the mom so worried. And, Katherine makes a desperate attempt to find her aunt in Los Angeles. Going Home Katherine receives an upsetting phone call from her father, Marty. Learn what he said and why the teen is ready to move out and away from her family.