VIdeo - Bonus Sneak Peek From Vampire Diaries - "Family Ties"

The rivalry between Stefan (Paul Wesley) and Damon (Ian Somerhalder) escalates this week as more is revealed about the history between the two brothers, on this week's Vampire Diaries "Family Ties." We've always known there is some - err - bad blood between the two, and the reasons have been taking form slowly. Most obvious is the life-style changes. Damon is addicted to the rush of the fresh kill, while Stefan battles constantly to maintain a more civilized vampire lifestyle. In vampire sense, he's a vegan. Click on through for more info a pulse pounding new clip.

ELENA AND STEFAN ATTEND THE FOUNDER'S PARTY � Elena (Nina Dobrev) asks Stefan (Paul Wesley) to escort her to the town's annual Founder's Party. Vicki (Kayla Ewell) gets Tyler (Michael Trevino) to ask her to the party, then accuses him of trying to hide their relationship from his family. Zach (guest star Chris William Martin) reveals a useful family secret to Stefan. At the party, Damon (Ian Somerhalder) tells Elena a story about the Salvatore family's past, leaving Elena with questions that Stefan refuses to answer. Finally, Stefan takes action to get Damon out of his life for good. Steven R. McQueen, Sara Canning, Katerina Graham, Candice Accola and Zach Roerig also star. Guy Ferland directed the episode written by Andrew Kreisberg & Brian Young