Things got so big in the next episode of "The Vampire Diaries". Elena puts herself in a dangerous position as she searches for the truth about Katherine's past and what her own future may hold. The vampire offers her a taste of her blood in return of immortality.

Knowing that Stefan would never agree to her plan, Elena swears Caroline to secrecy. Damon uses a new-found confidant to help him try to discover the real purpose and power of the moonstone. Jeremy and Bonnie meet Luka (guest star Bryton James), a new student with a surprising family history.

"Katerina" airs November 11 on The CW.

On another news, The CW has just announced that there will be another week-long marathon of "The Vampire Diaries". The second season will air the first episode on December 13 at 8/7c and continue airing two episodes per night until December 17.