Every saga has a beginning--and that's where a lot of the mistakes are. That's why the folks over at Cinema Sins are finishing up Christopher Nolan's Batman trilogy this week by taking a look at revealing all the movie mistakes they could find in Batman Begins. You can check out the video below. "I know it's early in Alfred's butlering career, but he completely forgets to close these doors back here," jokes the narrator. "Richest family in the city exits the opera house through the graffiti-ridden side door into an alley." Take a look. The biggest sin? "Batman doesn't kill King Joffrey when he has the chance."