Episode 48 of "Buffy, the Vampire Slayer"
s03e14 Bad Girls
Title: Bad Girls
Original Air Date: 02/09/1999 on WB
Director: Michael Lange
Writer: Douglas Petrie
Guest Stars: Jack Plotnick (Allan Finch), Wendy Clifford (Mrs. Taggert), Christian Clemenson (Balthazar)
Plot Outline:
While on a mission to retrieve an amulet before a powerful demon can restore his strength with it, Faith introduces Buffy to her reckless method of slaying which leaves Buffy wanting more of the wild life... while Giles is trying to keep his cool in front of the stuffy new watcher, Wesley Wyndam-Pryce. When Faith accidentally kills the deputy mayor Allan Finch, she tries to clean up the crime but when Buffy confronts her about her actions, she simply replies "I don't care".