Charmed (1998): Season 1, Episode 15

1 - 15: Is There a Woogy in the House?

Phoebe's fear of the Woogyman amuses Prue and Piper, until an earthquake releases a shadow demon. Phoebe under the control of the Woogyman tries to kill Prue and Piper, who must find a way to rescue Phoebe and get rid of the Woogyman.