ByJonathan Sim, writer at Creators.co
I'm a writer/film theorist. Check out my articles on Pixar, Harry Potter, Back to the Future, Die Hard, politics, and more!
Jonathan Sim

Back to the Future is an amazing film franchise starring Michael J. Fox, Christopher Lloyd, Lea Thompson, Thomas F. Wilson, and a number of other actors and actresses. But if you're going to make a movie about time travel, of course there are going to be mistakes. Here are the top 10 Back to the Future movie mistakes.

10. Marty wants to tell Doc that on October 26, 1985, he would be shot by Libyan terrorists. However, Doc refuses to hear this because he says you shouldn't know too much about your future. So Marty writes a letter to Doc and gives it to him. However, Doc tears up the letter and Marty goes back to 1985. He then finds that Doc had taped the letter back together and read it, because he thought, "What the hell?" But when we see it in 1985, the handwriting and the alignment of the text is different, as evidenced by the two pictures.

9. In Back to the Future Part II, Marty buys a sports almanac in 2015. Doc refuses to let him bring it back to 1985, and throws it away. But then, old Biff steals the almanac, then uses the DeLorean time machine to travel back in time to November 12, 1955. He gives the almanac to his younger self and travels back to...the same 2015? Let me recap the original Back to the Future for you: Marty travels from 1985 to 1955 and changes things, so when he travels back to 1985, it's a different 1985. So in Back to the Future Part II, Biff travels from 2015 to 1955, changes things, and should go to a different 2015 instead of the same one. Then, Marty and Doc would be trapped in 2015.

8. In Back to the Future Part III, Doc is trapped in 1885. Marty gets the 1955 Doc to help him get to 1885 to save Doc. However, Marty and 1955 Doc discover that when Doc goes back in time, he will be shot in the back by Buford "Mad Dog" Tannen. I'll try and explain this as well as I can: 1955 Doc will grow up to be 1985 Doc. 1985 Doc is now in 1885, and 1955 Doc discovers that in 30 years, he'd be shot. But when Marty goes back to 1885, 1985 Doc is surprised when he discovers this. 1955 Doc grew up to be 1985 Doc, so Doc shouldn't have been surprised.

7. In Back to the Future Part III, Marty and Doc are trapped in 1885, because they don't have any gasoline in the DeLorean, so they can't get it to go up to 88 mph. But Doc had already created a huge machine that could create ice cubes in 1885. Couldn't Doc have created a machine that could create gasoline? He's a scientist.

6. Multiple times in both Back to the Future Part II and Back to the Future Part III, Doc calls the time machine infernal and repeatedly regrets building it and wants it destroyed. Yet at the end of the movie, he could create a huge time machine, this time with a train. Doc was apparently in 1885 and he could get the necessary supplies to give a train a hover conversion, a time dial, and a flux capacitor. But he couldn't get the supplies to create gasoline? Also, he regretted building a time machine, but in this movie, he said traveling through time has been much too painful. And what does he do? He goes to the past because time travel is okay now, right? RIGHT?

5. In order to time travel, the DeLorean has to be traveling at a minimum of 88 mph and the Flux Capacitor needs a jolt of 1.21 gigawatts of energy. the energy can be supplied only with Mr. Fusion, plutonium, or a bolt of lightning. And when the DeLorean is struck by lightning in 1955, the DeLorean goes back in time. But Doc should have died and the DeLorean should have been burnt into a crisp. I'll tell you why: the bolt of lightning supplied the 1.21 gigawatts of energy, but it wasn't going at 88 mph. It was going between 0 and 2 miles per hour.

4. In Back to the Future Part II, Marty needs to get the almanac back from Biff so that in 1985, Biff won't be a billionaire, Lorraine wouldn't be married to Biff, and George wouldn't be dead. But why couldn't Marty and Doc have waited for Biff to go to sleep so that they could get the almanac then? Or maybe Doc could have shot Biff with the machine he used to put Jennifer to sleep earlier in the movie.

3. In Back to the Future, Marty travels back to 1955 and accidentally causes his future mother to develop a crush on him, so he has to get his parents together or Marty would cease to exist. But when Marty succeeds and goes back to 1985, why didn't Lorraine and George notice that their kid, Marty, looks EXACTLY like the guy that helped them get together in the first place? He had such an impact on their lives. You don't just forget someone like him. And they probably even named Marty after him.

2. In Back to the Future Part II, Marty, Doc, and Jennifer travel to October 21, 2015 (which is coming in four days), and we find old Lorraine, old George, old Biff, and for some reason, old Marty, old Jennifer, and their kids. Here's the problem. Marty, Doc, and Jennifer left 1985, meaning they no longer exist in 1985, 1986, and all the way to 2015 when they reappear there. We shouldn't have seen Marty, Jennifer, or their kids; they should have seen George and Lorraine depressed because 30 years ago, their son and his girlfriend vanished off the face of the earth. And also, why couldn't Doc just tell Marty to ground his son on October 21?

1. In Back to the Future, Marty lives in a 1985 with alcoholic Lorraine, nerdy George, bully Biff, and a Dave that works at Burger King. Marty travels back to 1955 and changes things so when he goes to 1985 again, he goes to a 1985 with sober Lorraine, successful George, nice Biff, and a Dave that works in an office. But Marty loves the family that he grew up with. He didn't like Biff, but still, he grew up with a family that no longer exists and now he lives with a bunch of strangers. You call that a happy ending?!

So, that's it. Every movie has mistakes, and though Back to the Future is no exception, they are amazing movies to watch. Mark your calendar for October 21st, 2015 for when Marty, Doc, and Jennifer travel to Hill Valley!

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