CW 56 Boston: 7NEWS at 10PM

Season Four begins with the knowledge that everything is changing. As Elena and her friends enter into the final stretch of high school before graduation sends them off on different paths, their bond to their home town of Mystic Falls takes on a deeper meaning when a new villain seems intent on destroying it.

The series starts Nina Dobrev as Elena Gilbert, Paul Wesley as Stefan Salvatore, Ian Somerhalder as Damon Salvatore, Steven R. McQueen as Jeremy Gilbert, Kat Graham as Bonnie Bennett, Candice Accola as Caroline Forbes, Zach Roerig as Matt Donovan, Michael Trevino as Tyler Lockwood and Joseph Morgan as Klaus.

Based on the series of books by L. J. Smith, The Vampire Diaries is from Bonanza Productions Inc., Outerbanks Entertainment and Alloy Entertainment in association with Warner Bros. Television and CBS Television Studios with executive Producers Kevin Williamson ("Scream", "Dawson's Creek"), Julie Plec ("Kyle XY", "Wasteland"), Leslie Morgenstein ("Gossip Girl", "Private"), and Bob Levy ("Gossip Girl", "Privileged").