Below is a preview of tonight's all new episode of Gossip Girl, "The Grandfather." Desperate to learn where their friend Blair is, Chuck and Serena accost Dorota, and pay the price:

[video url="http://www.gossipgirlinsider.com/videos/the-grandfather-sneak-preview/" title="The Grandfather Sneak Preview"] [/video]

Follow the jump for a second clip from the episode, in which Nate's newly-reconciled relatives threaten to become a thorn in Vanessa's side. Who will he choose in the end?

[video url="http://www.gossipgirlinsider.com/videos/the-grandfather-sneak-preview-2/" title="The Grandfather Sneak Preview #2"][/video]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.