Back to the Future him to 2015 to resolve a problem with their future children. The trio board the DeLorean, which has been upgraded with hover technology, and warp to the future. Writer and producer Bob Gale conceived "Back to the Future" after he visited his parents in St. Louis, Missouri after the release of "Used Cars". Searching their basement, Gale found his father's high school yearbook and discovered he was president of his graduating class. Gale had not known the president of his own graduating class, and wondered whether he would have been friends with his father if they went to high school
Back to the Future accumulating a worldwide total of $389.1 million. "Back to the Future" had the fourth-highest opening weekend of 1985 and was the top-grossing film of the year. Box Office Mojo estimates that the film sold over 59 million tickets in the US. On review aggregator Metacritic the film received an average score of 87, which indicates "universal acclaim", based on 12 reviews. On review aggregator Rotten Tomatoes reports that 96% of critics gave the film a positive review based on 77 reviews; the average rating is 8.7/10. The website's consensus reads: "Inventive, funny, and breathlessly constructed, "Back to the Future" is