We all understand that making movies isn't easy. Hundreds of people working on the same project with grueling deadlines? There's bound to be a few minor blunders that go unnoticed, and we should all be understanding and appreciative of the hard work that goes into these projects.
On the other hand, there is something really satisfying in seeing other people's hilarious mistakes. So here are a few movie/TV screw-ups that just leave you scratching your head, wondering how they ended up in the finished product: