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Although prototypes exist, we are far from the congested "skyways" seen in the film. Trivia and Hidden Details

Fingerprint and eye scanners are now standard on smartphones and for security. zurck-in-die-zukunft-2.ogg

: Doc Brown, Marty McFly, and Jennifer Parker travel to October 21, 2015, to prevent Marty’s future son from being incarcerated. Although prototypes exist, we are far from the

: To fix the timeline, Marty and Doc must travel back to 1955 to retrieve the Almanac from Biff during the events of the first film, leading to a "behind-the-scenes" overlap of the original story. Visions of the Future: What it Got Right & Wrong : To fix the timeline, Marty and Doc

: At the end of the film, when the DeLorean is struck by lightning, it leaves behind a flaming "99" in the sky. This represents the flame trails spinning as the car is knocked into 1885.

: The film’s director, Robert Zemeckis , is so influential that modern pop culture frequently references him, such as the "Zemeckis Cube" found in the movie Ready Player One . Back to the Future Part II (1989) - IMDb