Horus as bright as the sun was explained by a tale, known as "The Contendings of Horus and Seth". In this tale, it was said that Set, the patron of Upper Egypt, and Horus, the patron of Lower Egypt, had battled for Egypt brutally, with neither side victorious, until eventually the gods sided with Horus. As Horus was the ultimate victor he became known as "ḥr.w wr" "Horus the Great", but more usually translated "Horus the Elder". In the struggle, Set had lost a testicle, and Horus's eye was gouged out. Horus represented the eclipsing binary Algol in the Calendar of
The Great Adventure of Horus, Prince of the Sun incomplete, often skipping dialog and completely omitting the songs. This release is currently out-of-print. In 2013, Horus, Prince of the Sun was released in Japan on the Blu-ray format. This version, however, was discovered to be an upscale of the existing Toei DVD (which was itself an upscale of the CAV LaserDisc release). No English language subtitles are present in this version. On December 23, 2014, Discotek Media released "Horus, Prince of the Sun" on DVD for North America (region 1). This release features a new English language subtitle translation, two audio commentaries, video interviews with Isao Takahata and Yoichi