Vampire Diaries Vampire Diaries

Vampire Diaries' freshman season saw Katherine, the 150-year-old doppelganger to Elena, ignite a fire in Mystic Falls that claimed many lives.

Judging by Katherine's additional nefarious misdeeds in the clip below—hooking up with Damon, strangling Bonnie, coming face-to-face with Elena!—Season 2 will be wilder.

Vampire Diaries' Julie Plec: The love triangle becomes a square

Check out the trailer: