Episode 80 of "Charmed"
s04e14 The Three Faces of Phoebe
Title: The Three Faces of Phoebe
Original Air Date: 02/14/2002 on WB
Director: Joel J. Feigenbaum
Writer: Curtis Kheel
Guest Stars: Frances Bay (old Phoebe Halliwell), Samantha Goldstein (young Phoebe Halliwell), Andrew Abelson (Jax), Christian Keiber (Scott), Jason Matthew Smith (Demon #1)
Plot Outline:
Phoebe develops a case of cold feet over marrying Cole and casts a spell which brings a young innocent Phoebe and an old cynical Phoebe to the Manor to help her make a decision. Meanwhile, while Cole is horrified to find that The Source is now taking over his entire being, The Source's chief rival, who believes The Source is dead, is convinced by The Seer to kill The Charmed Ones in order to earn the allegiance of the entire underworld.