They're Everywhere
S02E07 - Airdate: 1999-11-18
Runtime: 60 min
After fearing that the guys they're dating are warlocks, Piper and Prue decide to cast a mind reading spell to find out the truth. They then have to use their new power to help out a young man who translated ancient tablets that can foretell the future and ultimately became a target of a pair of brain-zapping warlocks called the Collectors.
Episode details and rating from TVmaze.