: Forced to face her heritage as a Petrova doppelgänger, Elena becomes more active in her own survival, eventually sacrificing herself (and being brought back) during Klaus's ritual. Episode Guide
The season consists of 22 episodes that aired on from September 2010 to May 2011. Saying Farewell to 'The Vampire Diaries' | The Nerd Daily The Vampire Diaries - Season 2
: Transformed into a vampire by Katherine, Caroline evolves from a "shallow" high school girl into a confident, strong supernatural being. : Forced to face her heritage as a
: The season introduces Elijah and Klaus Mikaelson , the world's first vampires. Klaus , a vampire-werewolf hybrid, serves as the season’s primary antagonist. the world's first vampires. Klaus