Credit: CW Network

Air Date: Monday 10/17

In this juicy episode, Dan (Penn Badgley) awaits the release of his thinly veiled tell-all about his rich, scandalous friends. Will Blair (Leighton Meester), Lily (Kelly Rutherford), et al., attend his book party? One probable no-show: Blair's furious fiance. (CW, 8 P.M.)