The Power of Two

While taking a tour of Alcatraz, Phoebe sees the ghost of killer take possession of a guard's body so he can cross the waters surrounding the prison, and must stop him before it's too late. Meanwhile Piper worries about leaving Prue and Phoebe alone as she leaves on a business trip.

Season 1 | Episode 20

Alyssa Milano

Phoebe Halliwell

Rose McGowan

Paige Matthews

Holly Marie Combs

Piper Halliwell

Shannen Doherty

Prue Halliwell

Brian Krause

Leo Wyatt

Julian McMahon

Cole Turner