All of season 2 has been leading to this moment. Tonight on The Vampire Diaries, we will finally meet Klaus (inhabiting his own body), and learn a little bit about his past as we flashback to 1491. Viewers will also get to see Katherine's introduction to the originals, Elijah and Klaus, and learn about the origin of the mooncurse. Watch the extended preview above for a sneak peek at tonight's all-new episode entitled, "Klaus."
Watch TVD Thursdays @ 8pm on the CW.