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!

In one of the funniest parts of the movie, Marty tries to prove to Doc Brown that he's from the future by naming the current U.S. President. “Ronald Reagan? The actor?!” That line had to be approved by the White House and Steven Spielberg screened the film for Reagan, the former actor. Reagan liked the movie so much he not only approved the line, but actually quoted the film in one of his State of the Union addresses.

“You Think You Know Movies?” is a ScreenCrush original series that dives deep into the cinematic worlds of your favorite movies and freeze frames a few tidbits you might not have known. We’ve already tackled Star Wars, The Avengers and Spider-Man, but now, it’s time to make like a tree and get out of here with these Back to the Future facts!

Watch more installments of “You Think You Know Movies?” below and let us know in the comments what movies we should cover next.

Check Out 100 Movie Facts You May Not Know

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