Much 'I Do' About Nothing (S01E18)

Title: Much 'I Do' About Nothing Plot: Blair decides to take action against the devious Georgina Sparks to support Serena. Meanwhile, Lily, with thoughts of Rufus lingering, makes final preparations for her extravagant wedding to Bart Bass, which promises to be the highlight of the Upper East Side's social calendar. Serena opens up to Dan about her troubled past, hoping to mend their relationship after his betrayal, but time may not be on their side. Just as Lily and Bart's ceremony begins, an unexpected guest arrives. Georgina is dealt with, ensuring she can't cause more chaos, while Blair makes plans to escape with Chuck.