The bizarre footage, uploaded on the secretive state's official webpage, comes as Kim Jong-un prepares for an "imminent" nuclear weapon test.
The propaganda movie depicts a smiling lad dreaming of a regime rocket being launched into the air and travelling to America.
The three-and-a-half minute vid then shows a mystery city full of skyscrapers being attacked with multiple explosions, while the Stars and Stripes flag flutters in the background.
Captions on the screen written in Korean say: "Somewhere in the United States, black clouds of smoke are billowing.
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