Corrected entry: When Max is revealed as the head vampire, Star makes the realization that "YOU'RE the secret David was protecting" but there is no previous reference anywhere in the movie to a secret that David is protecting.
Corrected entry: Max makes a point of being invited in, and at the end mentions that inviting one in makes you powerless to them. But who invited in David, Carlo and the others?
Corrected entry: During the grand finale when the vampires are in Sam's house, he shoots Dwayne with a bow and arrow and Dwayne falls to the floor pretending to be dead. His left arm is down his side. The shot changes to Sam who is looking at him and then returns to Dwayne whose left arm is now up next to his head so that he can push himself off the floor.