The Vampire Diaries

Thursdays 8:00 PM on The CW
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The Vampire Diaries Sneak Peek: How Did We Not Know?!?

by at . Comments

Yup, the Kat is out of the bag.

On The Vampire Diaries Season 5 Episode 15, Caroline will let her friends in on the little secret that Elena has actually been Katherine for a very long time now.

This will lead them all to ask the same question many viewers have been pondering for weeks: How did they not pick up on this?!?

Talk about a major OOPS, huh? Watch the latest sneak peek now:

The CW has also released a number of photos from "Gone Girl."

Watch The Vampire Diaries online if you need a refresher and click through these episodic images now:

The Vampire Diaries Gang
Okay, Vampire Diaries people. Stop. Listen up. Katherine has something to say.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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The Vampire Diaries Season 5 Episode 15 Quotes

Katherine is a passenger in Elena, except it's worst… because none of us seemed to notice!

Caroline

If I had known I just had to die to drag your attention from Stefan, I'd have tried it a long time ago.

Nadia

The Vampire Diaries Season 5 Episode 15 Music

  Song Artist
Mr little jeans good mistake Good Mistake Mr. Little Jeans iTunes
Emily wolfe white collar whiskey White Collar Whiskey Emily Wolfe iTunes