Learning that he is fated to be vanquished by The Charmed Ones, The Source taps into the ultimate power of The Hollow, which consumes all magical powers, both good and evil. As he goes after Phoebe, Paige and Piper's powers one by one, the lives of both Leo and Cole hang in the balance. Dorian Gregory also stars.
original airdate--February 7,2002 rating--
Songs: Natalie Inbruglia -- Goodbye