When the Dean comes to remove the nest, Elroy mentions that there are 2 baby birds in the nest. Yet, when the nest is relocated to a safe location, 3 baby birds can be seen.
Frankie leaves her notebook on the table when she leaves for Chang's play but at the door she's carrying it.
The director makes a couple of errors in describing the plot of the "Karate Kid" to Annie. He states that Mr. Miyagi fought against his own people during World War II, when in both the film and in reality, Japanese Americans were sent to the European theater and fought the Germans and Italians rather than their own people. The director also says that Miyagi's child died in childbirth, forgetting the fact that Miyagi's wife died at the same time.
At around 5:45 you can hear Abed's voice but his mouth is clearly not moving when the shot switches to Elroy.