Departure (2019)

S6E5 Monstrous Ball

Title: Monstrous Ball Plot: Following Eleanor's ultimatum to Blair, Blair becomes more resolute in addressing the issues at Waldorf Designs by creating a standout dress for the upcoming Cotillion. However, an unexpected revelation at the event stuns everyone. Meanwhile, Serena grows concerned about Steven's behavior toward her, but her investigation uncovers an unforeseen explanation. Chuck seeks an unexpected partner in his quest to create discord between Bart and Lily, aiming to unveil his father's hidden truth. At the same time, Dan releases another article, but its impact is contrary to his intentions.