What are you?!?

Elena posed this piercing question to Stefan to close last week's episode.

Tonight, she'll get her answer... and then some! Stefan will take his girlfriend on a trip down memory lane, one that details the history of Mystic Falls and the Salvatore brothers.

First, in the clip below, he responds to basic questions Elena has about life as a vampire:

[video url="http://www.tvfanatic.com/videos/the-life-of-a-vampire/" title="The Life of a Vampire"] [/video]

Damon, of course, is still a free, dangerous blood sucker. That's bad news for Vicki and other town residents.

See what what we mean by following this article's jump and viewing another clip from "Lost Girls."

[video url="http://www.tvfanatic.com/videos/dangerous-damon/" title="Dangerous Damon"] [/video]

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