Charmed

Season 4, Episode 19

Episode Title: We're Off to See the Wizard

Air Date: 2002-04-25

Overview:

Phoebe tells Piper and Paige that she is pregnant, and that Cole is the father. Meanwhile, Piper and Paige team up with a wizard to stop the coronation of the new Source, unaware that it is Cole and Phoebe is soon to be his Queen of the Underworld.