Charmed - Season 3 Episode 18 I Dreamed a Dream... Reclaim your power.
Overview: When an encounter with the Whispering Evil leaves Macy on the brink of death, Mel and Maggie cast an ancient spell sending The Charmed Ones off on a series of epic adventures. Meanwhile, realizing only a Whitelighter can save Macy, Harry asks Jordan and Celeste to help him do the unthinkable.