Sonic X (ソニックX Sonikku Ekkusu) is a Japanese anime television series based on Sega's Sonic the Hedgehog video game franchise. Produced by TMS Entertainment under partnership with Sega and Sonic Team, and directed by Hajime Kamegaki, Sonic X initially ran for 52 episodes, broadcasting on TV Tokyo from April 6, 2003 to March 28, 2004. A further 26 episodes aired in the United States, Canada, Europe, and the Middle East from 2005 to 2006. The show's American localization and broadcasting were handled by 4Kids Entertainment, which edited it and created new music.