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We flashback to Nadia's search for Katherine on this episode of The Vampire Diaries. A plan to save Elena's life is also put into motion.
Damon is trapped with Enzo on this episode of The Vampire Diaries. Will they feed on each other?
Caroline convinces Elena and Bonnie to attend The Bitter Ball this week. Tyler, meanwhile, begins to worry about Matt.
Enzo brings Damon a gross present on The Vampire Diaries this week. He insists they bond over some revenge.
The Vampire Diaries celebrates its 100th episode with "500 Years of Solitude." And it's all about Katherine.
This is the final Vampire Diaries episode of 2013. Expect a major cliffhanger to take place at the end of it.
Elena turns to Aaron for help on this episode of The Vampire Diaries. She is very concerned about Damon.
Damon interrogates Professor Maxfield on this week's The Vampire Diaries.
Dr. Maxfield has disturbing news for Katherine on this episode of The Vampire Diaries. Meanwhile, Damon turns to Tessa to help.
Damon figures out the secret to Tessa's plan on this episode of The Vampire Diaries. Katherine, meanwhile, realizes she needs a new place to stay.