Cooper drags Ben, Gwen, and Kevin Kevin to the annual Sci-Fi convention, a big attraction for comic book geeks everywhere. No one, except Cooper, is that excited about it until a movie prop turns out to be real alien tech and spews out an army of mini-aliens! Ben has to change forms rapidly to try to stop the little aliens while Kevin and Cooper work to trun the machine off. They manage to save the convention and the crowd just thinks the whole thing was a movie promotion!