Back to the Future is going 'Back in Time' as the 80's blockbuster's documentary will soon hit the theater.

As per People, the 1985 film will get to have its own documentary. Fan's will be able to get a sneak peek on how the time travel classic was made. Three decades have passed yet Back to the Future never failed to arouse interest in both from Generation X to millennials alike.  

During an interview, Michael J Fox then revealed some of the scenes on the trailer were once part of the original movie. He then stated:

"I realize that the seat next to me is empty. And it dawns on me that Princess Diana is going to be sitting next to me,The movie starts and it occurs to me that I'm a fake yawn and an arm stretch away from being on a date with the Princess of Wales." 

As per Wall Street Journal, the documentary would include Michael J Fox. The futuristic trilogy film documentary was participated by the film's director Robert Zemeckis, executive producer Steven Spielberg and the cast members Christopher Lloyd, Lea Thompson and Huey Lewis. All of which talked about the 30 year old film that they once starred in.

A part of the clip also revealed Bob Gale, the screenwriter, who co-wrote the movie with Zemeckis, telling the audience on how he was offered $75,000 from the product placement company. Mustang offered him to change the intended time traveling vehicle DeLorean to Mustang. He then responded that : "Brown Doesn't have a Fuc*ing Mustang."

The executive producer Steven Spielberg then described the film's impact as: "It redefines the taste of buttered popcorn."

The "Back to the Future" documentary "Back in Time" is set to premiere next month. October 21, 2015.