Revealing mistake: Reid's rear view mirror, missing in all the medium shots (processed in-studio with an obvious rear-screen projection), mysteriously reappears in full shot when his Chrysler pulls into the car shop. (00:14:00)
Revealing mistake: The Black Beauty, Hornet's car, releases a smoke screen to stop the bad guys' plane from taking off. But you can see in several shots that the stunt car actually releasing the smoke is an entirely different make, model and color. (00:21:30)