Sneak Peek new footage from the final season of "The Vampire Diaries", premiering October 21, 2016 on The CW, including the return of former series star Nina Dobrev as 'Elena Gilbert':
"...much of Elena's story revolves around her relationships with vampires 'Stefan Salvatore' and his older brother, 'Damon'.
"It is revealed that Elena is a 'Petrova Doppelgänger', responsible for her being identical to her ancestor, 'Katherine Pierce' (née 'Katerina Petrova').
"This also has the implication of making her a supernatural creature.
"In the series's fourth season, Elena becomes a vampire and deals with the struggles that come with her change. But she took the cure and became human again towards the end of the sixth season.
"In the finale of the sixth season, 'Kai' linked Elena to 'Bonnie' by magic. Elena will only wake up when Bonnie dies. She is locked inside the Salvatore tomb till she is able to wake up again in the next 60 or more years..."
Click the images to enlarge and Sneak Peek "The Vampire Diaries" Season 8...