Back to the Future is a cult sci-fi film trilogy directed by Robert Zemeckis. The story follows Marty McFly, a teenager from the 1980s, and Dr. Emmett Brown, an eccentric scientist, who travel through time using a time machine built from a DeLorean. Jumping between the past, present, and future, Marty must fix historical events to prevent disastrous consequences on his own existence. Blending adventure, humor, and science fiction, the saga explores time travel paradoxes and the butterfly effect while offering a nostalgic and futuristic look at different eras. With iconic characters and an unforgettable soundtrack, Back to the Future has become a timeless classic of popular cinema.