Back to the Future (1985) had a budget of $19 million and was produced by Amblin Entertainment. Directed by Robert Zemeckis, it starred Michael J. Fox as Marty McFly and Christopher Lloyd as Dr. Emmett Brown. The film is about a teenager who is accidentally sent back to 1955 in a time machine invented by Dr. Brown. Marty must ensure that his parents meet and fall in love. It was filmed on location in Southern California and had special effects. The film was released on December 4, 1985 and had a wide release. It aimed to be entertaining and unique to attract its target young adult audience.