As of the end of The Vampire Diaries Season 5 Episode 14, the Kat is out of the bag.
What will this mean for The Vampire Diaries Season 5 Episode 15? Aside from Damon deeming his crazy ex as "brilliant" for her latest move?
Look for us to flashback to Nadia's search for Katherine; for Bonnie and Jeremy to actually show up; and for Damon to take revenge on Dr. Wes.
Watch the official promo for "Gone Girl" now.
Remember to watch The Vampire Diaries online if you missed anything and to toggle through photos from next Thursday now: