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The Biggest Continuity Errors And Plot Holes In 'Back to the Future'

List Rules
Vote up the most story-breaking paradoxes in the Back to the Future movies.

While the idea of time travel is something that fascinates people, movies based on this premise always suffer from one particular problem: paradoxes. Paradoxes plague even the best time travel films. Anytime a character has the ability to go into the past, it opens up endless possibilities of all sorts of problems. Even the most famous movies have a whole mess of plot points that simply don’t make any sense when you look at them closely, none more so than the paradoxes in Back to the Future.

Despite being arguably the most famous time traveling movie of all time (at least until the inevitable reboot gets made), Back to the Future has its fair share of problems. In fact, the movie is packed with logic-breaking paradoxes, thanks to the fact that Marty and Doc can seemingly travel to any point in time. Almost every time travel story warns against tampering with the past and with good reason. Even the smallest change can massively alter the future and the characters from this series seem to enjoy nothing better than modifying the world around them.

Listed here are the biggest and most damaging Back to the Future paradoxes. They don't just introduce plot holes; they negate the entire series in one fell swoop. Whether they were caused by a misunderstanding of the laws established in the first movie or due to an oversight by the writer, each of these paradoxes is big enough to erase everything that happened in the three movies. Check them out below and vote up the paradoxes that wreak the most havoc on the franchise. 

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