When Jay leaves the biology lab and sees Hannah in the sports car with David James, a boy and girl are entering the building. After he yells out to her, the same couple start to enter the building again.
After Hannah slams her bedroom door on Jay her waits for her outside. After she turns off the lights in her bedroom she exits the house she leaves with the quarterbacks car. Jay then enters the house and goes to bedroom. The viewer sees Jay enter the room from the viewpoint of inside the room. The light is on.
While teaching Biology 101, Jay refers to an amoeba as a single celled animal. However, the amoeba is not a member of the animal kingdom but of the protist kingdom.
Detective Barnett claims that he will charge Jay with second degree murder if his fingerprints are on the quarterback David James' jacket. However, there is no body to prove that a murder occurred.
When Hannah is in the bathroom and smashes the mirror, the view pans down from the cracked mirror but shows no actual pieces missing only the distorted reflection, however when the view get to the counter there is both a large shard she picks up to stab herself with as well as smaller glass chunks considerable enough to have made gaps in the mirror where there should have been no reflection if they were missing.