The year is now 2041 AD. A new enemy called Zeravire suddenly appears in the solar system, destroying all military installations it comes across. However, a wealthy man named Klein Sandman is already aware of this planned invasion and had been secretly preparing his army for battle. His trump card is Gravion, a giant robot that utilizes gravity as its source of energy. Meanwhile a young man named Eiji secretly enters Sandman's base in search for his missing sister. It is there that he meets another young man by the name of Toga... These two must now fight together with four other individuals aboard the super robot, Gravion to fend off the Zeravire threat.
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(Source: Anime News Network)

Episode 1 - The Fortress of the Deity

Episode 2 - Mission of Gravity

Episode 3 - Labyrinth

Episode 4 - The Princess in the Tower

Episode 5 - The Girl Who Won't Laugh

Episode 6 - Toga's Day Off

Episode 7 - The Drill Girl of the Beach

Episode 8 - Super Heavyweight Battle Zone

Episode 9 - A Distant Embrace

Episode 10 - Crack

Episode 11 - The Thing Which Was Lost

Episode 12 - Because You're With Me

Episode 13 - White Steel Fang

GONZO

ADV Films

Imagica

Super Heavy God Gravion