The Vampire Diaries Season 5 returns with a special Halloween episode 5 "Monster's Ball" tonight at 8 PM ET on The CW.

Episode synopsis:

COSTUME PARTY OF THE DAMNED - On campus, Elena is touched by a sad and secretive student named Aaron (guest star Shaun Sipos). Elena and Damon attend the Whitmore Historical Ball dressed as Anne Boleyn and Henry VIII. At the Ball, Elena shares a dance with Dr. Maxfield (guest star Rick Cosnett), who has a disturbing message for her. Caroline's evening at the Ball takes her from happiness to heartbreak. Meanwhile, Nadia (guest star Olga Fonda) reveals her surprising history to Katherine, and Damon tries to make a deal with Silas. Silas' demand that Damon commit an unthinkable act leads to a violent confrontation. Kat Graham and Zach Roerig also star. Kellie Cyrus directed the episode written by Sonny Postiglione.

What to expect going into tonight's Halloween episode? Here are just a few spoilers.

First, Elena will met Aaron, a "sad and secretive student." The vampire and grieving student will realize their grievous past shares a lot in common with one another.

In true Vampire Diaries fashion, Elena will attend the coolest party on campus. Dressed as Anne Boleyn and Henry VIII, her and Damon go to the Whitmore Historical Ball. At one point Elena will dance with Dr. Maxfield who informs the young vampire of some disturbing news.

Speaking of Damon, the older Salvatore brother still hasn't come to terms with Bonnie's death. In an attempt to revive her Silas tells Damon he must kill his younger brother Stefan, who is still regaining his memory.

Don't miss The Vampire Diaries Season 5 tonight at 8 PM ET on The CW.

If you can't make it to a TV check out this live stream online to watch tonight's episode:

http://www.couchtuner.eu/the-vampire-diaries-stream/

Here's a sneak peak trailer for "Monster's Ball"