Katherine's back for the all new episode of The Vampire Diaries this week (September 30). The CW has released a promo and a sneak peek for the upcoming episode, which we have for you below. DAMON MAKES A DANGEROUS ENEMY. To Read More  Click Here .

Katherine returns on the September 30 new episode of The Vampire Diaries and the CW has released promo photos and a synopsis for the episode. DAMON MAKES A DANGEROUS ENEMY. Stefan (Paul Wesley) takes drastic measures to find out the real reason Katherine more