In this episode we explore the origins of our relationship with the skies. From our earliest ancestors we discover how we used the skies to navigate and tell time, and how we gave religious significance to the things we saw in it. We finish on the cusp of a revolution that gave birth to modern science.

Episode two of this landmark series delves further into our ancient understanding of the skies above. After exploring the mysterious creatures living at the edge of the world, we follow the story of our earth as it takes shape and a place in the cosmos in the minds of great astronomers and scientists including Ptolemy, Copernicus and Galileo.

In Episode 3, we complete the puzzle of our ancient skies, collecting the missing pieces required for an accurate model of our universe. We break through the spheres that defined our skies for millennia, abandon the long-held idea of circular orbits, discover new neighbors in our solar system, and begin to comprehend the enormity of our ever-growing universe.