geneon licensed the first tv series for north american distribution, but after geneon withdrew from the north american market, funimation entertainment took up the manufacturing, marketing, sales and distribution rights, though geneon still retained the license. a dvd box set was released by funimation in september 2008, and was re-released in september 2009 under funimation's "viridian collection". funimation later re-licensed the first series and re-released it in a bd/dvd combo pack on august 21, 2012. the series made its north american television debut on september 10, 2012 on the funimation channel. the first season and its accompanying ova were also licensed by madman entertainment in australia and new zealand, and by mvm films in the united kingdom. funimation later licensed the film, the second and third tv series, and the ova series for release in north america with a different english dub cast compared to the first anime season.