[s4e9] The Witches Of Bushwick Link

"Gossip Girl" The Witches of Bushwick (TV Episode 2010) - IMDb

This plotline is noted for how it leverages Serena's recurring character flaws—indecisiveness and a lack of accountability—to make the sabotage believable to her closest friends. 2. Chuck and Blair: The Cost of Ambition [S4E9] The Witches of Bushwick

The trio manipulates Serena’s communications by swapping her SIM card, allowing them to impersonate her via text and alienate her from both Dan Humphrey and Nate Archibald. "Gossip Girl" The Witches of Bushwick (TV Episode