Visible crew/equipment: Cameraman reflected on Chuck's limo when he encounters Blair by the church.
Continuity mistake: When Serena is saying goodbye to Dan, rain is pouring on the angle focusing him, but not on the angle focusing her. This changes back and forth.
Continuity mistake: Blair exits the church and talks to Chuck inside a limo. On the reflection on the car's windows she has her sunglasses on, but on the close-ups she doesn't.
Hi, Society - S1-E10
Continuity mistake: When the episode starts, Serena and Blair are walking down the street. The people behind differs between the close-ups and wide angles.
Continuity mistake: When the family is breakfasting, the knife on the mother's dish appears and disappears between shots.
Revealing mistake: When the couple is breakfasting in Brooklyn their mugs are empty.
Blair Waldorf Must Pie! - S1-E9
Continuity mistake: Lilly finishes her Thanksgiving meal and takes a glass to her lips. A frame later her arm is down.
Much 'I Do' About Nothing - S1-E18
Continuity mistake: When Nate and his dad stop jogging and chat, dad's head position doesn't match between the front and opposite angles.
Visible crew/equipment: Film crew reflected on Blair's sunglasses when she exits the church.
Blair Waldorf Must Pie! - S1-E9
Continuity mistake: At the end of the episode, while Dan and his dad are walking, the number of people behind have no continuity between the wide and close-up angles.
Desperately Seeking Serena - S1-E15
Continuity mistake: When Nate and Vanessa kiss for the first time, two lighting screens are reflected on the glass door.
Desperately Seeking Serena - S1-E15
Continuity mistake: When Dan is going to Serena's hotel room to find out why she haven't gone to the exam, he talks with her in front of the door. His hands are on Serena's neck, but the hand moves between shots,and is under Serena's hair. (00:36:55)
Other mistake: During the concert, the drummer's hands don't follow the music playing.
