TUESDAY, DECEMBER 14
"THE VAMPIRE DIARIES" - (8:00-9:00 p.m. ET)
"Bad Moon Rising" (TV-14, LV) (HDTV)
STEFAN FACES A NEW DANGER - Elena (Nina Dobrev), Damon (Ian Somerhalder) and Alaric (Matt Davis) take a road trip to Duke University and search through Isobel's research on folklore and paranormal phenomena to see if they can uncover any clues to the mystery surrounding the Lockwood family. Isobel's former student, Vanessa (guest star Courtney Ford, "Dexter") offers to guide them through the research and ends up getting quite an education herself. Stefan (Paul Wesley) comes face to face with a terrifying new danger in the woods, and Tyler (Michael Trevino) makes a shocking discovery about Mason (guest star Taylor Kinney). Steve R. McQueen, Katerina Graham, Sara Canning, Candice Accola and Zach Roerig also star. Patrick Norris directed the episode written by Andrew Chambliss (#203).