2. Bob Gale, who co-wrote the script, was inspired to write the story after seeing his father's high school yearbook while visiting him.
4. In the refrigerator version of the script, Marty McFly, in a rather dark turn, accidentally time-travels while attempting suicide.
5. The producers decided to use a DeLorean as the time machine in order to keep the joke in the film that it was a UFO.
6. Production designers chose 88 m.p.h. as the speed to achieve time travel because they thought it looked good on the digital speedometer.
8. Sid Sheinberg, then-head of Universal Pictures, suggested that they change the name of the movie to Spaceman From Pluto, because he believed a movie with the word "future" in the title would not do well.
Even though Sheinberg was serious the title change — which referenced the barnyard scene in the film where Mr. Peabody mistakes the DeLorean for a UFO — Spielberg played it off as a joke in order to keep the title.