Charmed: Season 4, Episode 22
Witch Way Now?
When the Angel of Destiny offers the sisters a chance to relinquish their powers and lead normal lives as a reward for vanquishing the Source of All Evil, their decision is put on the back burner. The sisters try to avoid an FBI agent who has them under surveillance, while also dealing with Cole's calls for help, who is trapped in another realm, holding onto his love for Phoebe. Plus, Piper remarkably finds out that she is pregnant.