'Siren Song' (Story Code 4301092) by Krista Vernoff

Cole and Phoebe fall under the spell of the Siren, who entices married men into her power and fills their wives with the intent to kill. But as Piper and Paige try to figure out how to save Phoebe from certain death, Piper and Leo's personas are switched magically by their unborn child…

Holly Marie Combs (Piper Halliwell), Alyssa Milano (Phoebe Halliwell), Rose McGowan (Paige Matthews), Brian Krause (Leo Wyatt), Julian McMahon (Cole Turner), Melinda Clarke (The Siren), Amy Laughlin (Melissa), Rebecca Balding (Elise Rothman), Hawthorne James (Demonic Healer), Branton Boxer (David), Greg Provance (Darklighter), Robert Merrill (Married Man), Tisha Gonsalves (Nurse), Tera Hendrickson (Simone), Daniel Betances (TV Reporter)

Directed by Joel J. Feigenbaum
Produced by Jon Pare, Daniel Cerone, Holly Marie Combs and Alyssa Milano
Executive Producers Brad Kern, Aaron Spelling and E. Duke Vincent

TX (US): 6th October 2002

Notes:
*Featuring Piper Halliwell, Phoebe Halliwell, Paige Matthews, Cole Turner and Leo Wyatt