Once in a Blue Moon
Show: Charmed --> Season: 7 - Season 7
AirDate: 10/17/2004
Runtime: 42
Voting: 6.7 (3)

Overview: When a blue moon causes amok at the same time the girls are assigned a new whitelighter, thanks to the Elder's suspicion of Leo, trouble brews. Meanwhile, Agent Brody tells Paige of a powerful new threat, and Phoebe & Leslie confess their true feelings for each other as Leslie prepares to leave.