Back to the Future (1985)

Marty McFly, a small-town California teen, is accidentally sent from 1985 to 1955 in a time-traveling DeLorean built by his eccentric friend, Doc Brown. Stranded in the past, Marty must ensure that his teenage parents meet and fall in love to preserve his existence, all while facing unexpected challenges. With the clock ticking, he must also find a way back to the future and save Doc's life.