"I can't imagine what the show was before Katherine came around," Nina Dobrev states. "If she ever left, I think that would be a really big mistake. She's like another Damon, but now Damon is getting a lot softer, and you still need that kind of playful bad character."

Tyler makes his painful transformation during tonight's full moon, but that doesn't mean the vampires -- especially Katherine -- will be excluded from the 'Vampire Diaries' drama party.
"First, Jeremy getting trapped in the tomb was like, Katherine wins!" Nina says. "When Stefan came in, she's like, 'Wow, I couldn't have planned this better if I tried. The one person I want to be stuck with, here he is, and now he's got nowhere to go. I will seduce him, I will tease him, I will anger him.'"

Hot! If you've seen the preview for tonight's episode, you already know Stefan and Katherine hookup -- or was that scene just a fantasy?

Nina doesn't say for sure, but the brunette beauty continues, "She has a chance to egg him on, and he can't do anything about it. He has no choice but to listen, and yeah, it is a very kind of sexy, manipulative scene, and he gives in. It's pretty crazy."



'The Vampire Diaries' Season 2

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