14. “The Godfather: Part III”
When you go and make arguably the greatest sequel of all time, it's likely a studio is going to throw money at you until you finally make a third. That's what happened to director Francis Ford Coppola.
After making two of the most memorable movies ever, he tried to go for the hat trick. And though the (presumably) final feature-length tale of the Corleone family has grown in acceptance over the years, it still is hard to watch.