Oopsies in movies are the best because they’re so hilariously out of place. Like having a car in the shot of a Braveheart battle sequence or having a camera man inside Hogwarts in Harry Potter or seeing a human arm pat down a velociraptor in Jurassic Park. These little big errors don’t always ruin a movie (mostly because we didn’t notice them on first watch) but just add more of a laugh to yourself moment on later viewings. Here’s 20 movie mistakes below.