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.

Season 3, Episode 21 Heads Will Roll

First Aired: May 9, 2007

The investigation of a man (Jason Priestley) accused of murdering his wife continues. Elsewhere, as Allison taps into her talents to nab a serial killer, she mulls over whether to tell her friend (Neve Campbell) about an unsettling dream. Also, Joe continues to be haunted by a past workplace hostage crisis. Howie Mandel also guest stars.

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Guest Cast