It's Thanksgiving time and Blair is offended when her Mom's new man hijacks her Thanksgiving traditions. Lily attempts to fix Jenny and Rufus's frail bond. Eric discovers a secret on Bart.

Hoping it will help her chances of getting into Yale, Blair naively agrees to babysit the 15-year-old daughter of a prominent Yale donor, but the teenager proves to be more than a handful. Meanwhile, Jenny and Agnes plan a guerrilla fashion...

Serena invites Aaron to be her guest at a charity gala honoring Lily and Bart, but after discovering a secret that Aaron has been keeping from her she begins to question whether Aaron is the guy she thought he was. Hoping it will help her c...

Jenny has a new young model friend, named Agnes, who encourages Jenny to explore her wild side, and also to confront Eleanor Waldorf who is planning to steal Jenny's designs in order to pass them off as her own. Meanwhile, Serena and D...

BLAIR CONVINCES CHUCK TO SEDUCE VANESSA — Vanessa (Jessica Szohr) uses the scandalous picture of Catherine and Marcus to blackmail Blair (Leighton Meester) into being a nicer person, so Blair seeks revenge by enticing Chuck (Ed Westwick) to...

Blair, Serena, Dan, Nate and Chuck go to Yale. After Blair and Serena get into a fight, Serena decides to get even with Blair, who has always dreamed of going to Yale, by going to Yale instead of going to Brown as planned and accepting the ...

Fashion Week is here!!! Blair is furious with her mother for giving Serena and her new socialite friend, Poppy Lifton, front row seats to the Eleanor Waldorf show. Hurt by both Serena and his mother Blair decides to sabotage the show. Meanw...

Blair and her 'Posse' interview different girls to decide whether or not they would be inducted into their 'clique'. Dan bumps into new student Amanda and they form an instant bond however, Blair and her 'posse'...