Preview the star-filled 'Childrens Hospital' spinoff

Childrens Hospital is certainly one of Adult Swim's funniest series - heck, it's one of the funniest shows currently airing on any network. And while I enjoyed it from the beginning, I think the episode that truly hooked me was 2010's "End of the Middle," which was filmed in the format of a fake news magazine show.

That fake show, Newsreaders, was so popular that next week it joins Adult Swim's...