Watch Neon for Free: How to Stream the Movie Online at 123Movies. . A film celebrating the beauty and romance, the art and science of neon: visually stunning, one of the most environmentally friendly forms of lighting ever made, and endangered – LED is slowly but surely taking its place around the globe. Vivid, beautiful and insightful, Neon is the story of this noble element that has so profoundly coloured the modern world.