Continuity: In the sequence where Lisa Hammond undresses in the hallway, her underwear colour changes from black to white to black.

Continuity: Alex comes to work very hungover. He proceeds to spill coffee on his shirt twice. He then talks with Lisa in his classroom and now the shirt is clean.

Continuity: In the hallway scene following the locker search, Alex Jurel's hair mysterious transforms from neat to extremely messed up, in what is obviously an additional shot added later.

Continuity: Lisa invites Alex to dinner, while talking at the table we see a wide shot of the two of them with Alex's arm on his side. In the next shot his elbow is rested on the table.