Other mistake: In the first scene when Bo and Luke are practicing with the General Lee, you see Bo using the clutch, but in the next shot both hands are on the wheel. He didn't have any time to move his hands in about a milisecond.
Other mistake: When Lizzie, Bea, and Lynn visit Dr. Greg in his office, Lizzie visually 'sneaks' a pack of meds from the open tray across from Dr. Greg. But he somehow doesn't see this in plain sight, while talking with Bea.
Other mistake: After the removal of the second bomb, the squad captain checks how much time is left till the explosion; 8 minutes, he says...as the minute hand turns and stops on 8, with an animation that does not make sense. (00:17:20)
Other mistake: When Scooby is eating the hot dogs at the "Hotus Dogus" stand, his tail goes transparent.