One of the most iconic parts of Back to the Future is the time traveling DeLorean. But, in earlier versions of the story, the DeLorean was nowhere to be found. Originally, Marty McFly was going to back to the 1950s in a refrigerator! And, instead of being powered by plutonium, it was powered by a nuclear explosion and Coca-Cola. Get ready for even more facts from the future in the latest installment of You Think You Know Movies!