Georgina's quest for revenge isn't over just because the wedding is.

In a clip from Monday's episode, Gossip Girl herself (or a Gossip Girl impostor/associate, depending on your theory) is looking for payback, confronting someone else who one-upped her in the past:

Dorota! Check out the brief sneak peek from "The Backup Dan" ...

While no one knows about G.G. but viewers, the same goes for the Princess Bride's whereabouts. Dan absconded with Blair after her wedding distress call, but no one else seems to realize that yet.

The producers discuss this topic in their weekly preview of the episode. Mostly, they just talk a lot, and don't tell us anything new, but there are some clips we haven't seen yet. See what you think:

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