| "Who Are You?" is the 16th episode of the fourth season of Buffy the Vampire Slayer and the 72nd episode in the series. Written and directed by Joss Whedon, it was originally broadcast on February 29, 2000, on The WB network.
Buffy battles to escape the clutches of the Watchers Council Special Operations Team who plan to send her to England, while Faith continues to wreak havoc in the lives of Buffy's family and friends. Meanwhile, it's Willow and Tara who figure out Buffy's whereabouts, but not before Faith has done some serious damage to Buffy's relationship with Riley.