On Thursday's new episode of The Vampire Diaries, viewers meet Alaric Saltzman.

A beloved character from the book series, this teacher will be played by Matt Davis. Fans are encouraged to weigh in on this casting addition in our show forum.

Meanwhile, Bonnie's mysterious past will also play a significant role on "History Repeating." In the clip below, Stefan admits to Elena that he's familiar with it already:

[video url="http://www.tvfanatic.com/videos/history-repeating-clip/" title="History Repeating Clip"] [/video]

We've also uncovered a series of photos from the upcoming episode. As always, we'll recap, review and Round Table up the installment soon after it concludes.

For now, click on the pics below for a look at scenes from the hour:

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