Episode 41 of "Buffy, the Vampire Slayer"
s03e07 Revelations
Title: Revelations
Original Air Date: 11/17/1998 on WB
Director: James A. Contner
Writer: Douglas Petrie
Guest Stars: Kate Rodger (Paramedic)
Plot Outline:
Xander finds out about Angel's return to Sunnydale and promptly informs the gang who confront Buffy with the fear that he may turn evil again, while Faith finds herself under the wing of a new Watcher, Gwendolyn Post, an outwardly prim and proper Englishwoman who was expelled from the Watcher's Council for practicing evil magic.