Harry Potter

Most fans can agree that one of the best parts of Harry Potter is the great hall. It's basically every kid's dream to dine there! As great as the imagery is, the great hall is better in the books. That's because, in the films, you can sometimes see the strings holding the candles up! This is the case for the first couple of films since movie magic wasn't as good as it was by the end of the films. 

Pulp Fiction

This is a slight continuity error on Quentin Tarantino's part. In the scene where they have to revive Uma Thurman's character, they use a red marker to show where the adrenaline will need to be injected into her chest. In the next clip, she's revived with the needle sticking out of her chest. Even though these frames are right next to each other, the red marker is no longer on her chest. They must have forgotten to put it back in during filming.