is a Japanese animated (anime) television series produced by Gainax, as well as a series of tie-in media developed around it. The series premiered on October 1, 2010 on BS Nittele (a free-to-air satellite service of Nippon Television). The series has been licensed by Funimation for distribution in North America and was released on DVD on July 10, 2012. Manga Entertainment released the series in the UK on July 30, 2012 but pushed back the final release to September 10, 2012 due to a mastering error.