"Prophecy Girl" is the season finale of the WB Television Network's first season of the drama television series Buffy the Vampire Slayer, and the 12th episode of the series. It first aired on June 2, 1997. Series creator Joss Whedon wrote and directed the episode. The narrative features vampire Slayer Buffy Summers (Sarah Michelle Gellar) working to prevent vampire the Master (Mark Metcalf) from rising to power, despite a prophecy predicting her death at his hands.