'The Vampire Diaries' first Season 5 promo: Stefan (or Silas?) flirts with human Katherine, Delena says 'I love you'

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It's almost time for "The Vampire Diaries" Season 5, and the first promo has finally hit the web.

After a long summer of waiting to find out how our favorite Mystic Falls grads will deal with Silas impersonating Stefan, it looks like he's going to raise all kinds of trouble. His first move? Hitting on a newly-human Katherine (and we guess turning human has made her forget how to brush her hair? Girl is looking all kinds of ragged). 

Or maybe Stefan escaped from his safe prison and is taking revenge on Delena -- who are looking quite happy, trading "I love you's" and sweet smiles -- and is the one flirting with Katherine. We honestly can't tell yet, but either way that flirtation doesn't bode well for anyone.

The promo also gives us a look at newly-alive Jeremy getting into a fist fight at school and an unseen character crashing their car into a light pole. Both are not good omens, so it looks like even without the Original family around to cause trouble, there is still plenty of it to go around.

Watch the first Season 5 promo video below:

"The Vampire Diaries" Season 5 premieres Thursday, Oct. 3 at 8 p.m. on The CW.

Photo/Video credit: The CW