The Vampire Diaries - Season 2 Instant

: The season introduces Elijah and Klaus Mikaelson , the world's first vampires. Klaus , a vampire-werewolf hybrid, serves as the season’s primary antagonist.

: His character deepens as he struggles with his humanity and his unrequited love for Elena . The Vampire Diaries - Season 2

: 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 introduces Elijah and Klaus Mikaelson

: Transformed into a vampire by Katherine, Caroline evolves from a "shallow" high school girl into a confident, strong supernatural being. the world's first vampires. Klaus