Serena becomes suspicious of the amount of time Dan and Blair are spending together.
Serena enlists Charlie to investigate Dan and Blair's activities.
Serena's cousin who goes undercover to spy on Dan and Blair. [S4E19] Petty in Pink
Blair must pretend her relationship with Dan is real to avoid a scandal with another character. 👥 Key Characters Involved
For more details on the cast and full production crew, check out the episode page on Apple TV . Serena becomes suspicious of the amount of time
At a high-profile party, Charlie captures a video of Dan and Blair kissing.
. The episode originally aired in April 2011. It centers on the complicated relationships of the Upper East Side elite as a major secret is captured and blasted to the school community. 🎬 Episode Summary Blair must pretend her relationship with Dan is
The video is blasted to everyone at the party, exposing their secret relationship.