Unnatural History is an American/Canadian television series produced by Warner Horizon Television for Cartoon Network.[1] The series is the second scripted, live-action show on Cartoon Network after the short-lived Out of Jimmy's Head. The first season will consist of thirteen hour-long episodes and premiered on Sunday, June 13, 2010.[1]Beginning on July 13, the series will be rescheduled to Tuesday nights.[2] It is the first Cartoon Network show outside of Adult Swim and Toonami to have the U.S. rating of "TV-PG-V", and a parental-guidance warning after every commercial break and at the beginning of the show.