The first episode of the anime television series (produced by TMS Entertainment, Dentsu Inc., and Japan Vistec under the direction of Mitsuo Hashimoto), made its debut in Japan on TV Tokyo on April 5, 2007 and was rebroadcast six days later on BS Japan. Nelvana Limited produced the English-language version and premiered the series on the Canadian network Teletoon in July 2007 and then on Cartoon Network on February 24, 2008. An alternative English dub produced by Odex with all the character names kept in Japanese premiered on Cartoon Network Singapore. The series currently reruns on Kabillion.