Sonic X is a Japanese anime television series based on Sega's Sonic the Hedgehog video game franchise. Produced by TMS Entertainment in partnership with Sonic Team, and directed by Hajime Kamegaki, Sonic X initially ran for 52 episodes, broadcasting on TV Tokyo and its TXN affiliates from April 2003 to March 2004. A further 26 episodes aired in North America, Europe, and the Middle East from 2005 to 2006. The American localization and broadcasting were handled by 4Kids Entertainment, which edited the series and created new music.