Throughout the closet scene, Charlie's beard will change multiple times, from 'scruffy' to 'clean-shaven'. This scene was filmed on two completely separate days, and it was believed that Charlie's beard was in its scruffy phase when first filmed.
In Ayden's hallucination, he has a necklace hanging around the back of his neck. In the following shots it disappears.
Morelli's clothes throughout the climax change a total of three times. Once from jeans to shorts, then back to jeans.
In the scene where Oliver makes Tim pick up his books, Ayden tosses Tim his bag. The sound of the bag occurs twice.
Ayden talks to Kane about the "Gedi Affair" that was viewed in Tim's presentation earlier- but Ayden was never actually present for that presentation and would have no idea about it.