what is the movie about?
A teenager accidentally sent back in time to 1955 in a time-traveling DeLorean automobile, now trapped in the past, he inadvertently prevents his future parents' meeting— threatening his very existence—and is forced to reconcile the pair and somehow get back to the future.
Back to the Future
Set in 1985, Fox portrays Marty McFly, a teenager accidentally sent back in time to 1955 in a time-traveling DeLorean automobile built by his eccentric scientist friend Doctor Emmett "Doc" Brown. Trapped in the past, Marty inadvertently prevents his future parents' meeting— threatening his very existence—and is forced to reconcile the pair and somehow get back to the future.

how many parts to back to the future Two parts is it a movie or a tv series? Movie when was it released? July 3, 1985 by whom is it directed? Robert Zemeckis and the producer? Kathleen Kennedy and Frank Marshall joined Spielberg as executive producers.
wiki:11601427
Back to the Future [SEP] Introduction
"Back to the Future" was a critical and commercial success, earning $381.1million to become the highest-grossing film of 1985 worldwide. Critics praised the story, comedy, and the cast—particularly Fox, Lloyd, Thompson, and Glover. It received multiple award nominations and won an Academy Award, Saturn Awards, and a Hugo Award. Its theme song, "The Power of Love" by Huey Lewis and the News was a significant success globally, and also earned an Academy Award nomination.