Michael J. Fox Tells the Truth about Hover-boards 3.21K Robyn Caplan 04/15/10 11:04AM Filed to: Good Morning America Good Morning America TV michael J fox Back to the Future hoverboards Video Michael J. Fox was on Good Morning America imparting some of the lessons he learned through his role in Back To The Future. Crushing everyone's childhood dreams, he let the world know that hover-boards do not actually exist.