the anime episodes were released on japanese television and on to three internet video providers including bost, crunchyroll and youtube on 5 april 2008 by gdh. it is directed by ichiro itano and written by yasuko kobayashi. the show had aired 24 episodes from april 5 to september 27, 2008. blassreiter had been previously aired on tv by at-x, chiba tv, sun tv, tv kanagawa and tv saitama. a north american release by funimation entertainment has been announced.