User blog comment:Rob Macaroni/Ben 10: Omniverse/@comment-3549757-20120130131322/@comment-3549757-20120131073503

I can guarantee you they won't. They don't just snap their fingers and the series is written. It's a process, it takes 9-12 months to write one episode. That is why they write more than one at a time. So most of the series is most likely already done.