In the original series (2007) and the reboot (2021), of Gossip Girl features the following storylines: Original Series (2007): "The Serena Also Rises"
Blair sabotages her mother Eleanor’s fashion show after learning Serena and her new socialite friend, Poppy Lifton, were given front-row seats. Gossip Girl Season 2 - Episode 5
Bart Bass reveals he has hired an investigator to look into Lily’s past, uncovering a secret that shocks her. Reboot (2021): "Games, Trains and Automobiles" In the original series (2007) and the reboot