Hero and the Terror
When Kay is shopping for the red dress, Danny turns away from the window to purchase a newspaper from a vending machine, but his reflection on the shop window remains stationary between the shots.
At the beginning of the movie The Terror falls through ladders and the following close-up shot of the individual rungs breaking reveals them to be clearly sawn beforehand.
When Simon takes the Chap Stick and graphite and puts it on the dental floss he supposedly cut through the bars in very little time. Theoretically impossible.
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