As both Gale and Zemeckis have continuously refused to return, Back to the Future 4 would require an entirely new cast and crew to be made, and would likely struggle to capture the legendary on ...

This enduring legacy has naturally led to ongoing speculation about whether Back to the Future 4 will happen ... which have made it difficult for him to remember lines and had an effect on ...

"People always say, 'Well, when are you guys gonna do Back to the Future 4?'" Gale said ... with any further films and explained that the fan appetite for more Back to the Future material ...