Watch Invisible Essence: The Little Prince (2018) HD Full Movie Free on SolarMovie. Watch Invisible Essence: The Little Prince (2018) online free. Antoine de Saint-Exupéry's transcendent story suggests an ethical philosophy about life and a uni...Antoine de Saint-Exupéry's transcendent story suggests an ethical philosophy about life and a universal code of respect for humanity. With every new generation that discovers the fable, the Little Prince's inspiring legacy is cemented.