Back to the Future 回到未来
（重定向自BTTF）
![The poster shows a teenage boy coming out from a nearly invisible DeLorean with lines of fire trailing behind. The boy looks astonishingly at his wristwatch. The title of the film and the tagline "He was never in time for his classes... He wasn't in time for his dinner... Then one day... he wasn't in his time at all" appear at the extreme left of the poster, while the rating and the production credits appear at the bottom of the poster.](/Images/godic/202501/02/Back_to_the_Future5524.jpg")
![Eric Stoltz as originally cast for Marty McFlyMichael J. Fox as McFly in the finished film](/Images/godic/202501/02/StoltzasMcFly5524.jpg")
_with_Michael_J._Fox_as_Marty_McFly5524.jpg")
![Courthouse Square as it appeared in Back to the Future on Universal Studios backlot.[32]](/Images/godic/202501/02/Hill_Valley_Court_House5524.jpg")
Back to the Future is a 1985 American science fiction adventure comedy film directed by Robert Zemeckis and written by Zemeckis and Bob Gale. It stars Michael J. Fox as teenager Marty McFly, who is sent back in time to 1955, where he meets his future parents in high school and accidentally becomes his mother's romantic interest. Christopher Lloyd portrays the eccentric scientist Dr. Emmett "Doc" Brown, Marty's friend who helps him repair the damage to history by advising Marty how to cause his parents to fall in love. Marty and Doc must also find a way to return Marty to 1985.