Revealing mistake: When the prince's jeep crashes, he is replaced by a stiff dummy with a black bald head (or maybe a black helmet).
Revealing mistake: When Sheena gallops towards the prince's car, she is replaced by an obvious stunt double who not only does not resemble her but is a brunette, as opposed to blonde Sheena.
Revealing mistake: Sheena's arrow supposedly breaks the windshield and gets stuck on the driver's chest, but when the glass shatters, there's no arrow anywhere, neither breaking the glass nor stuck to his chest. It magically appears several shots later.
Revealing mistake: Before the birds attack the helicopter, the close exterior shots reveal that the helicopter is a prop in a set that's not moving a single inch, as opposed to the wide shots of a real flying helicopter.
Revealing mistake: The flamingos that attack the helicopter are blatantly fake, with their necks twisting around and puppet-like eyes.
Revealing mistake: Clearly a mannequin when Countess Zanda falls out of the helicopter.