Charmed

Season 3, Episode 7

Episode Title: Power Outage

Air Date: 2000-11-16

Overview:

In an attempt to destroy the Charmed Ones, Cole enlists the help of Andras, a demon who magnifies anger into rage. Meanwhile, when the sisters lose their magic after using their powers against each other, they are left defenseless against attacks from the Triad and Belthazor.