Continuity mistake: When John leaves the table to get a refill on water, over half his burger is left. When he comes around the corner to see that Thad is gone, both the burgers are too.
Continuity mistake: When Travolta is trying to help the man by setting off the alarms, a cop car comes around a bend. After the shot of Travolta, when it cuts back to the cop car, it has hardly moved at all.
