Can you believe that Back to the Future turned 40 this year? Now, that's heavy. This sci-fi comedy has had such a grip on pop culture that Back to the Future is soaring back to theaters this weekend. Ordinarily, a film's impact is dulled by the passage of time, but Back to the Future still has a passionate fan base that's willing to revisit it over and over again. Now, Watch With Us is going to share four reasons why Back to the Future is still a classic. It's Back to the Future Day! Michael J. Fox, Christopher Lloyd Reunite Michael J. Fox Gave the Defining Performance of His Career Michael J.