Season 1 - Episode 14

14 - The Blair Bitch Project

Blair hesitantly returns to school after being dethroned as Queen Bee. Serena struggles to adjust to living with her future stepbrother, Chuck, and receives disturbing packages from an unknown sender. Jenny's drive to be popular hits a high. Her birthday is coming up, and she feels too ashamed of being middle-class so she steal's Hazel's mother's red Valentino dress.