The movie Back to the Future Part II was released to the public as a sequel to Back to the Future.
The concept of hoverboards was popularized by the film Back to the Future Part II, influencing pop culture.
In the movie, the character Marty McFly travels forward in time to October 21, 2015, which sparked interest in future predictions.
Marty McFly and Doc Brown travel from 1985 to October 21, 2015 using the DeLorean time machine to prevent Marty’s future son from making a disastrous decision.
In 2015, Marty buys a sports almanac with the intention of using it to win bets.
Old Biff Tannen steals the DeLorean, uses the almanac to go back to 1955 and gives young Biff the almanac to make himself wealthy.
Due to Biff's interference in 1955, an alternate dystopian 1985 is created where Biff is wealthy and powerful.
Marty and Doc go back to 1955 to prevent young Biff from receiving the almanac and restore the timeline.
Marty successfully intercepts and retrieves the sports almanac from young Biff before it can be used to alter the future.
With the almanac recovered, Marty and Doc return to their normal 1985 which is now free of Biff’s corruption.
Upon arriving back to 1985, Doc is suddenly struck by lightning while inspecting the temporal circuits and is taken to 1885 in the Western Union telegraph building time portal.
