Shown in Theater Number 4, cute, huh? The story of a group of aliens being hunted by another group of aliens all of whom have supernatural powers and are hiding in plain sight here on Earth-while blowing up everything they run across and showing up on YouTube. It’s a pretty standard issue story and a movie only made possible by super cheap CGI. Like all setup movies, I Am Number Four is crammed full of dull and boring backstory about our super hunk alien and the nasty fish people who want to kill him. Only it’s backstory that doesn’t really…