Season
- Season 2 2004-01-09
- Season 1 2002-10-08
- Season 0
Episode
- Episode 1: Fortress of the Diety
- Episode 2: Mission of Gravity
- Episode 3: Labyrinth
- Episode 4: The Princess in the Tower
- Episode 5: The Girl Who Wouldn't Laugh
- Episode 6: Toga's Day Off
- Episode 7: Drill Girl on the Beach
- Episode 8: Storming the Castle
- Episode 9: A Distant Embrace
- Episode 10: Crack
- Episode 11: The Thing That Was Lost
- Episode 12: Because You're With Me
- Episode 13: White Steel Fang
Gravion Season 1 The Thing That Was Lost
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 Ōbari with mecha designs from Kunio Okawara. Both series were released in the United States by ADV Films.
