The is a new video from WatchMojo that lists the top 10 films you can't believe flopped at the box office. With the importance of the summer box office, we see far more movies flop than possibly ever before. The gamble for a big payday is sometimes a huge one. But, it's hard to believe that some of the most revered cinema classics actually flopped at the box office. Add to that, a few others that have a large following and this is a pretty impressive list of films. Check out the video below.