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The most influential sci-fi series ever is streaming free now

Not every sci-fi franchise gets a Queen song.

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Like any genre, sci-fi is built on tropes — recurring themes or images that audiences recognize instinctually and take for granted.

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The origins of most tropes can’t be pinned down to a specific place, but sometimes, a work is so popular it becomes a reference point for everything after it. That’s the case with Flash Gordon.

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