If you really want to see a movie as it was meant to be seen, the only place you can get close to this experience is in a movie theatre. While the home cinema enthusiast might be able to muster up the required thousands to buy a state of the art home cinema sound system only the ultra-rich could hope to install a screen anything like the size found in your average multiplex. Of course, as anyone who has been to the cinema even a few times understands, there's often a small price to pay for watching films on professional equipment. Whether it's having to sit through what feels like hours of boring adverts or putting up with noise from crisp packets or people chatting away on their phones, the movie-going experience isn't always as enjoyable as it could be. That said, putting up with unruly kids or someone's knee constantly jabbing into your seat doesn't compare to the rare but horrific acts of violence that have broken out in movie auditoriums, and while for the most part movie-goers are familiar with violence erupting on the cinema screens no one ever expects it to happen in front of their eyes for real. The following list covers ten horrific moments when violence erupted in movie theatres - these shocking stories could be enough to put you off going to the cinema for life.