Time is wrong: in 1934 a group of bank robbers left, and in 1940 a Ford firetruck almost hit their escaped car.
In a motorcycle scene, Blanche was eating a donut. He ate half of it from a missing corner, and then magically returned to the donut with only one corner missing.
The movie is set in 1931, but there is a scene where Bonnie wears bikini shorts. The bikini was not invented until 1958.
When Clyde walked into a retail store to rob, Bonnie stood on the street with a bottle in her hand, but when they got back in the car, there was no bottle.
When Clyde took pictures of Buck and Blanche, he took the cigarette out of his mouth and held the camera with both hands. In the next shot, the cigarette returned to his mouth.
In the car, when Blanche and the others went to buy some food, she lit another cigarette with one cigarette butt, but in the next shot, the cigarette butt disappeared
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