Vampire pun alert! This sucks, folks: Sarah Michelle Gellar will exit Buffy the Vampire Slayer in May to pursue her film career full time, TV Guide Online has learned. UPN and 20th Century Fox declined to comment, but sources confirm that the 25-year-old actress has informed series creator Joss Whedon that she will not be renewing her contract beyond this season. For the complete story, click here..