While searching for his missing sister, Eiji Shigure secretly enters the castle of millionaire Klein Sandman. There he meets the castles strange inhabitants and is selected to join in Sandmans mission…

The newly formed Gravion faces off in their first battle against the Zeravire and the pilots discover their weaknesses. Meanwhile The Earth Federation Alliance plan their own attacks on the Zeravire.

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 …

When a ghostly figure is sighted in one of the castle's towers, Toga and Eiji go to investigate. There they discover Leele, the mysterious pilot of the G-Shadow.

In an effort to get to know each other better, the team goes on a picnic together but Leele is hesitant to share as she is haunted by nightmares of her past. Meanwhile the EFA attempts to find informa…

Eiji sneaks out of the castle during the staffs shopping day and takes Toga along with him for his first day out of the castle and his first day in the big city. As the maids search for them, the Zera…

On the anniversary of her father Isanas death, Luna returns home to the island of Okiaowa but is surpirsed when she finds that the rest of of the Gran Knights have decided to accompany her to the have…

When the Zeravire attacks the the castle, all hope of stopping it lies with Eiji, who has accidentally found himself piloting the Gran Kaiser. To survive he must call upon all the power of the Gran Ka…

Repairs begin on the castle following the attack by the Zeravire and Eiji begins to recover from his battle but runs from his physical and runs into Mizuki who gives him insight to the disappearance o…

Following recent events, Sandman reluctantly has an auto-pilot device, The Gran Phantom intstalled into the Gran Kaiser in case of emergency. And one does arise when a Zeravire with a nuclear power su…

After seeing what darkness Toga is capable of in the heat of battle, Eiji quits the Gran Knights and leaves the castle to return to a normal life. Leele ventures to town to convince Eiji to come back.…

The battle wages on as Gravion fights against the attacking Zeravire with a failing auto-pilot and Eiji and Leele still missing. But after his friend Yumi is injured in the attack, Eiji decides that h…

The Zeravire have been evolving, not in order to destroy humans, but to ensure the destruction of Gravion. When the new and improved Zeravire comes to Earth to challenge Gravion, Sandman is hesitant t…

The Gravion team completes another mission, mucht to the delight of the president. Someone says the Zerevie are going to return at any moment. The team is made to be maids, due to a strip mah jongg ga…

The gang surfs the interenet and visits Gravion's web site. Every page is "under construction" except for a headquarters map, which looks like a 3-year-old drew it. The maids blame Eiji.

It's generic trip-to-the-hot-springs episode! Raven and Cookie have stayed behind though. At the springs, fanboy service comes fast and furious. Ena is a bit shy, but her towel is taken away anyway. E…

At the EFA's underwater energy base, something is attacking it. They ask Gravion to investigate. Leele goes there, and they lose contact with her. The others investigate. Eiji takes Una's place. The Z…

The gravion gang goes to an amusement park Grand Island with some of the maids. There's a Zerivire there. Back at the base, the maids protest to Raven that they want to go to the park too. Back at the…

Elji and the others suspect that Sandman is hiding something connected to the frequent Zelabaia attacks, and they sneak into the north tower of St. Germain Castle. There they discover the Sandman's my…

The Earthgultz members are worried about Leele. Toga in particular is berating himself becuase he always seems to hurt the people around him through his own carelessness and inability to understand th…

Sandman is keeping vigil on his daughter when the news comes: Toga's gone missing. Hugi has been watching this all this time, and gloats over this. It's going his way now. Eiji goes out after him.

Leele finally awakens from her coma. Eiji's out looking for Toga. Faye takes Toga to the orphanage where they grew up. It was sponsored by Sandman. She tells him that she resents him for taking her po…

There's a new Gravion called sol Gravion. Zieg recognizes its power source as a device that decimated an alien race. It turns out the main pilot of the Sol Gravion is Ena. Ena tells us she's a clone o…

The Gran Knights and the rest of the castle take to space in order to take the battle to the Zeravire homeworld. It is the beginning of the final battle, where the fate of the universe will be decided…

This is it, The final battle for the fate of the universe has begun as the Gran Knights and Sandman take on Hugi and the ulitmate Zeravire weapon. As the whole world looks on, our heroes must band tog…