(Prue comes back in the room.)
Dr. Stone: Move and she dies.
(Phoebe grabs a vase of flowers and hits Dr. Stone over the head. He lets go of Piper and falls to the ground. Prue uses her powers and releases Eric from the Collectors grip. Dr. Stone blinks and appears next to Eric's dad. Prue gets ready to throw the dagger at them and they hold onto Eric's dad and blinks out of the room.)