We are just days away from The Vampire Diaries Season 5 premiere.

What can viewers expect from the episode titled "I Know What You Did Last Summer?" Check out our premiere primer now - and consider yourself spoiler warned.

But The CW is now looking a couple weeks ahead, as the network has released photos from the third installment of Season 5. It's titled "Original Sin" and it will introduce viewers to Janina Gavankar as Tess, a young woman who knows Stefan well and who reveals shocking secrets to Elena and Damon about this loved one... flashback style!

We also get our first look below at Olga Fonda as Nadia. Look for this European to play a MAJOR role on next week's opener, especially as it relates to Matt.

For now, click through the following pictures and let the TVD countdown begin!