Episode 42 of "Medium"
s03e04 Blood Relation
Title: Blood Relation
Original Air Date: 11/29/2006
Plot Outline:
When nemesis Dr. Charles Walker (Mark Sheppard), begins to reappear in Allison's (Emmy-winner Patricia Arquette) dreams, she fears his spirit may be returning to continue his evildoing by inhabiting the living. Her fears escalate when she meets a young man who has an uncanny resemblance to the serial killer from the late 1800's.
