Continuity mistake: When Coach Jana is cut across the chest by Russ, blood gets on her tee-shirt that says "Speedo", between the two E's. In the next shot, as she falls to the floor, that blood has vanished. (01:07:45)
Continuity mistake: When Valerie slices Russ's chest, he falls into the swimming pool. After he climbs back out, and attacks Valerie and Courtney, he is now suddenly completely dry, despite having fallen into the pool seconds ago. (01:09:50)
Continuity mistake: When Diane walks through the garage she enters the yard without closing the garage door. Later, they enter the garage and the door is closed.
