The script was rejected over 40 times by every major studio at the time. I bet they all kicked themselves when it became a hit.

The school in the film is Whittier High in California and is Richard M. Nixons alma mater. James Tolkans Mr. Strickland Prince in the City, Underworld,Leverage, who appears in all three films, was described by Gale as a joy to work with.

Early in the script, the time machine was a laser device in a room. The climax had it attached to a refrigerator on a truck which was driven to a nuclear test site with Marty inside. They changed it to lightning because they were afraid kids would lock themselves in refrigerators. That was probably an excellent call.

And Doc Brown had a pet Chimp.

The garage was on a flat just next to Burger King on Victory Boulevard they had a deal to shoot the scene there at no cost. That is a pretty sweet deal.

When Lorraine follows Marty back to Docs house, she and Doc exchange an awkward greeting. This marks the only on-screen dialogue that Christopher Lloyd and Lea Thompson ever have, though they have appeared together in five movies and one TV movie.

Docs distinctive hunched-over look developed when the filmmakers realized the extreme difference in height between Christopher Lloyd and Michael J Fox Fox is 58242 4 while Lloyd is 68242 18243. To compensate for the height difference, director Robert Zemeckis used specific blocking where the two often stood far apart at different camera depths. For close ups, Lloyd would have to hunch over to appear in frame with Fox. The same approach was used in the two sequels.

In the early 1990s Back To The Future Cartoon, Dan Castellaneta Homer Simpson was the voice of Doc Brown.

In the window of the cafe, 80s Marty sees several Nintendo games.

And a Roger Rabbit doll.

Crispin Glover has claimed to have only seen the film once, shortly after its release. In contrast, Christopher Lloyd has stated that when he occasionally stumbles across a Back to the Future film while channel surfing, he will often sit and watch it.

In the first scene at the diner, Marty asks for a Pepsi Free. This refers to a brand of Pepsi that was the companys first caffeine free cola. Ironically, in the same scene, Marty asks for a Tab, which was actually a diet cola brand produced by Pepsis rival Coca-Cola.

In the opening sequence, all of Docs clocks read 7:53 25 minutes slow except for one clock. It is on the floor next to the case of plutonium and it reads 8:20. Theres also a black and white picture of a man hanging on the town hall clock of Hills Valley, the way it happened right before the lightning strikes it in 1955.

When Robert Zemeckis was trying to sell the idea of this film, one of the companies he approached was Disney, who turned it down because they thought that the story of a mother falling in love with her son albeit by a twist of time travel was too risque for a film under their banner. In fact, Disney was the only company to think the first was risqu. All other companies said that the film was not risque enough, compared to other teen comedies at the time e.g. Fast Times at Ridgemont High 1982, Revenge of the Nerds 1984, etc.

During Docs demo of the time machine, just before he is about to leave for the future, he tells Marty, Ill get to see who wins the next twenty-five World Series. At the time the scene was written and shot, no one was thinking there would be a sequel, let alone one where the hook Back to the Future Part II 1989 would be Marty wanting to get a hold of a sports almanac so he could bet on games.

From the day the film wrapped to the day it was released was a mere 9 and a half weeks, an unprecedentedly short lead time for a major movie release.

Biffs catchphrases make like a tree and get outta here and butthead were improvised by Thomas F Wilson.

Doc Brown refers to jigawatts of electricity. This is the now-obscure but once-standard pronunciation of the word gigawatt, one billion watts. Nowadays it is usually pronounced with a hard g as in gander and gold. In neo-Latin languages, still, its pronounced with a soft g. So he chose it.

Back To The Future was the top grossing release of 1985.

According to an interview he did on The Tonight Show in 1987, Crispin Glover lost his voice due to nervousness while filming Back to the Future. For some scenes, he had to silently mouth his lines, with his voice being dubbed in later at a recording studio.

The DeLorean was deliberately selected for its general appearance and gull wing doors, in order to make it plausible that people in 1955 would presume it to be an alien spacecraft.

Martys guitars used throughout the movie: Erlewine Chiquita big amp sequence Ibanez black Strat copy scenes of Martys band performing in the 80s Gibson 1963 ES-345TD Marty performing at the dance.

A Texaco gas station is shown in both 1955 and 1985. Interestingly, Christopher Lloyds maternal grandfather was one of the founders of the Texaco oil company.

The inspiration for the film largely stems from Bob Gale discovering his fathers high school yearbook and wondering whether he would have been friends with his father as a teenager. Gale also said that if he had the chance to go back in time he would really go back and see if they would have been friends.

A persistent myth is that Michael J. Fox had to learn to skateboard for the film. In fact, he was a reasonably skilled skateboarder, having ridden throughout high school. However, Per Welinder acted as a skateboarding double for the complex scenes. Per Welinder also choreographed and coordinated the skateboarding action together with Robert Schmelzer.

The Twin Pines Mall is, in fact, the Puente Hills Mall in City of Industry, California. Today, JCPenney is no longer an anchor there.

Huey Lewis was asked by Robert Zemeckis and Bob Gale to write a song for the film. However, the two Bobs were not thrilled with the first song Huey brought back to them. After explaining what they were hoping for, Huey came back with Power of Love. He was then told they needed one more song. And so, upon viewing a cut of the film, Huey got the inspiration for Back in Time.