Back to the Future
Teenager Marty McFly travels back to the 1950s in a time machine built by his eccentric inventor friend. The return journey proves tricky enough, but he also accidentally alters the sequence of events that led his parents falling in love. He therefore has to now persuade his wimpy future dad to win his mother's heart, or Marty will never be born. Sci-fi comedy adventure, starring Michael J Fox, Christopher Lloyd and Lea Thompson.