Cartoon Network Studios is an American animation studio. A subsidiary of the Turner Broadcasting System, Cartoon Network, and formerly of Hanna-Barbera Productions, Inc. (all subsidiaries of the Time Warner media conglomerate), the company focuses on producing and developing original animated programs and shorts for Cartoon Network, but sometimes also for Adult Swim. The actual animation production is done overseas, most notably by either Saerom Animation or Rough Draft Studios, with pre-production and post-production being United States-based.