Season 3, Episode 4 Blood Relation
First Aired: November 29, 2006
When Allison's archenemy---a ghostly serial killer from the 1800s named Dr. Charles Walker (Mark Sheppard)---begins haunting her dreams again, Allison worries that he'll return to Earth to continue his murderous rampage. Her fears are soon validated when she chances upon a young man who bears a striking resemblance to the doctor.
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- Premiered: January 3, 2005
- Rating: TV-14
- Premise: A crime-solving wife and mother of three has visions and sees dead people. Inspired by real-life medium Allison DuBois. Canceled by NBC after a five-season run on the network, the supernatural drama rematerialized on CBS in fall 2009. (more)