What episode did phoebe turn into a banshee on charmed?

Phoebe Halliwell turned into a banshee in Season 3, Episode 16 of "Charmed," titled "Death Takes a Halliwell." In this episode, Phoebe's transformation is triggered by her fear of losing her sisters, as a banshee's wail is often associated with impending death. The episode explores themes of love, loss, and the bond between the sisters as they confront the challenges posed by Phoebe's transformation.