Comets and asteroids aside, do you ever wonder if there's another planet heading straight for our orbit? According to myth and conspiracy theorists, a planet called Nibiru is on a 3,600-year orbit around our solar system, which could be on a collision course with Earth the next time it arrives into our neighborhood. These four films explore that idea and lots more. Be sure to add them to your Netflix queue, and buy your theater tickets now.
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