User blog comment:Lightening McQueen/Idea for Cars 3/@comment-5366524-20120805234056/@comment-5194340-20120806083025

Well, some humans have been teleported into the Cars world. And they encounter all the characters there. Then the humans and Cars characters teleport into the human world to show the characters what the human world looks like. But the Lemons have also teleported into the human world as well, along with that they join some human villains.