Have you ever wondered exactly how our Universe is put together? How is it built? And how it actually works? This is ultimate guide to the Cosmos will show as never before the inner workings of our planet, the Solar System, the galaxies and the Universe itself. This series investigates the nuts and bolts of our cosmos, exploring a whole range of fascinating celestial phenomena and how they came to be the way they are. Experts and mind-blowing CGI, take viewers under the celestial hood to tell the greatest story of all – the story of how we and everything around us began.