Back to the Future: Doc Brown Saves the World (2015) (movie): In order to save the world from a nuclear holocaust in 2045, Doc Brown must push the technological age back at least fifty years, preventing Mattel Hoverboards and Mr. Fusion from being created. Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of Back to the Future: Doc Brown Saves the World (2015) below