Watch Dimensions - Once Upon Our Reality (2018) : Full Movie Online Free What is "reality"? Is it just the interaction of time, space, particles and forces? A hallucination created by billions of neurons in our body? A mathematical machine? Are there other realities, universes or dimensions? Dimensions is entertainment made and inspired by science and discovery. A rollercoaster ride of visuals and music that takes audiences on a fascinating journey. The show transports audiences to awe-inspiring worlds where they find the time and space to think and feel about the big questions of our time. What sticks is a strong feeling that there may be unexplored realms and worlds in us, and around us, which influence us even more strongly than what we already know and understand.