Eiji begins to get used to life in Sandman's castle and to the castles inhabitants. As he and Toga venture to the forbidden area of the castle in search of Eiji's sister Ayaka and the identity of the G-Shadow's pilot, Raven attempts to convince the EFA to allow Earthgertz to take the lead in the defense against the Zeravire.
Gravion is an anime television series produced by Gonzo. It aired in Japan from October 7, 2002 to December 16, 2002 and ran for 13 episodes. In 2004, Gravion Zwei was released and aired from January 8 to March 25 in Japan, running for twelve additional episodes, answering the questions generated from the first series.
Both Gravion and Gravion Zwei are created and directed by Masami ÅŒbari with mecha designs from Kunio Okawara. Both series were released in the United States by ADV Films.
