Audio problem: When Brian escapes his room and the headmaster with security is checking the rooms, if you look very carefully while the camera is going to Brian's room, you can see the headmaster hitting the door with his hand out, but the sound sounds like it would if he were hitting it with his fist.
Audio problem: During Kenzie's speech to Dyson at the gym, at one point when she asks "All of that just to give up now?" Dyson answers something, but there's no audio. (00:18:15)