Unnatural History is a television series produced by Warner Horizon Television for Cartoon Network and YTV. The series is the second scripted, live-action show on Cartoon Network after the failure of Out of Jimmy's Head. The series consisted of thirteen hour-long episodes and premiered on Sunday, June 13, 2010. On July 13, the series was rescheduled to Tuesday nights. On November 19, 2010, Cartoon Network cancelled the series after one season.