MONDAY, NOVEMBER 7

'Gossip Girl' (8PM ET, The CW)
Blair makes all of her former minions and Charlie compete to secure the coveted bridesmaid spots in her upcoming royal wedding. Nate is tired of keeping his relationship with Diana a secret, so he decides to use Charlie to make Diana jealous. Serena's boss (guest star Michael Michele) is determined to acquire the film rights to Dan's book, so Serena must put her personal feelings about Dan and the book aside in order to close the deal.

'The Bad Girls Club' (9PM ET, Oxygen) one-hour special presentation
Perez Hilton hosts the first of a two-part reunion special, wherein the bad girls reminisce about season 7.

'Castle' (10PM ET, ABC)
During the investigation of the murder of an Atlantic City casino owner at an abandoned warehouse, strong leads emerge for the team in both New York and Atlantic City. As Beckett and Capt. Gates work the New York leads together, Castle naturally chooses to join the detectives for the road trip to "America's Playground," hoping to help solve the case while throwing an impromptu bachelor party for Ryan.