'The Power Of Two' (Story Code 4398019) by Brad Kern

The evil spirit of a serial killer escapes from Alcatraz Island seeking revenge. It's up to Phoebe and Prue to figure out how to vanquish this evil spirit and stop him from killing again – but they must do it without Piper…

Shannen Doherty (Prue Halliwell), Holly Marie Combs (Piper Halliwell), Alyssa Milano (Phoebe Halliwell), T.W. King (Inspector Andy Trudeau), Dorian Gregory (Darryl Morris), Susan Chuang (Monique), Cristine Rose (Claire Pryce), Brenda Bakke (Soul Collector), Jeff Kober (Jackson Ward), Carlos Gomez (Inspector Rodreguez), Michelle Harrell (Inspector Blakely), Don Brunner (Inspector Anderson), Jack Donner (Judge Renault), Victoria Fang (Marianne), Jim Hanna (CSI Detective), Sean Hennigan (Alcatraz Guard), Yuji Hasegawa (Mr. Yakihama), Gregg Monk (Officer), Lesley Woods (Iris Beiderman)

Directed by Elodie Keene
Produced by Sheryl J. Anderson and Jon Pare
Executive Producers Brad Kern, Constance M. Burge, Aaron Spelling and E. Duke Vincent

TX (US): 12th May 1999

Notes:
*Featuring Prue Halliwell, Piper Halliwell, Phoebe Halliwell and Leo Wyatt