Watch Gossip Girl Season 1, Episode 18: Much ‘I Do’ About Nothing – Blair takes matters into her own hands to help Serena deal with the manipulative and evil Georgina Sparks who threatens to expose Serena’s secret.

Watch Gossip Girl Season 1, Episode 17: Woman on the Verge – Serena falls back into her old habits of drinking and drugs. She eventually reveals to Blair true reason why she left Manhattan: to avoid being implicated in an accidental drug overdose of a school friend in which Georgina was also present.

Watch Gossip Girl Season 1, Episode 16: All About My Brother – Georgina tells Serena that she can reveal a deep dark secret from Serena’s past, but no one is prepared for what Georgina does next. Meanwhile, Blair and Jenny’s power struggle continues when each of them start spreading false and scandalous rumors about each other on Gossip Girl’s blog.

Watch Gossip Girl Season 1, Episode 15: Desperately Seeking Serena – Serena’s world becomes chaos when a former friend-turned-enemy, the evil and sociopath Georgina Sparks, returns to town and transfers to her school. Dan sees Serena preoccupied and he assumes that it has something to do with the nasty Chuck, who’s looking forward to making her life a living-hell as her soon-to-be step-brother.

Watch Gossip Girl Season 1, Episode 14: The Blair Bitch Project – Spring Break is over, and so are all of Blair’s days of hiding away. Finally, after three weeks, she comes back to school, with an unpleasant welcome by Jenny and the “in” crowd, who throw ice cream in her hair. Serena believes that being mean was got Blair kicked out of the “in” crowd in the first place and dethroned “Queen Bee.”