Continuity mistake: When Dan and Jenny are discussing what Rufus and Lily are doing in Boston, Jenny picks up her coat and starts straightening it out before putting it on. The shot changes and she has instantly moved 90 degrees clockwise and is now seen removing her coat. When shot changes again she is suddenly back to her original position and has resumed putting on her coat like she was doing in the first place. (00:01:52)
Continuity mistake: After Jenny makes a peanut butter and jelly sandwich, she leaves the tops off. In the next shot you see the peanut butter has its top on and in the next shot, both the peanut butter and jelly disappear as she sits by Dan.
Continuity mistake: Right before Eleanor goes out to take her bow, she hands her badge to Blair. Then when she's first seen walking down the runway she has her badge on. In the next shot the badge is off. (00:37:05)
Summer, Kind of Wonderful - S2-E1
Continuity mistake: During the White Party an African American person standing right next to Chuck appears and disappears between shots.