Teppei's brother Kotaro is a scientific genius and is kidnapped by the Machine Empire. Teppei gives chase and ends u...

Teppei thinks he has gained Karen's powerful partner X, as an ally! He soon learns differently. Not long after Metal...

X's original donor is Karen and he'll obey only her! He's going to do everything he can to get rid of Teppei and go...

X is finally willing to cooperate with Teppei. Suddenly, one of the best fighters in the Machine Empire appears befor...

When Teppei comes around after his last battle, he finds himself being treated in Fou's chapel! X, however, has been ...

Teppei and X finally make it to the first point! Here, they meet a huge robot named Big Rock who is piloted by a you...

X and Teppei thought that Captain Hook and his B't had been defeated! But he hadn't!!! Captain Hook gives them a tast...

Gaku has been poisoned by the ""Heavy Steam"" given off by Groupie. X and Teppei must rush to the next point, where a...

Teppei and X break free from the illusion! X goes after the B't Mirage and Teppei goes after Kamiura. Both of them h...

X and Teppei are attacked by the B't Madonna and Metal Face. They force X and Teppei to crash into a deadly valley. I...

Without warning, B't Raido appeared in front of Teppei and X! His donor is one of the greatest fighters in the Machin...

Teppei and X continue on their journey into the Area. They meet a mysterious old man named Kaos... Kaos and his B'...

B't Lamu and the warrior Kaos are very good! Kaos attacks and cuts Teppei through his Battle Gear! Teppei and X wil...

Teppei and X arrive at the next point and find themselves in a huge graveyard. In the middle of the graveyard is a gi...

X has received a lot of damage from the Reaper! Teppei and X are in serious trouble! They must become united to save ...

Teppei and X are finally united! X has revived his Prism of Aura and they have defeated the Reaper. X is still terr...

X is trying to fly Teppei as close to the Area as possible before he dies. Now another of the Machine Empire's hit me...

Kotaro struggle to figure out a way to destroy Raphael! If Raphael keeps metamorphasizing, he'll absorb the entire p...

X is dying, and now the strongest of the Dark Knights, Mira, shows up to stop them! Teppei fights back with his Mess...

When Teppei comes to after the last battle, he finds X in pieces in front of him! Someone has dismantled him!!! He f...

Hokuto has indeed rescued Teppei AND X! B't Max rebuilt X into the Neo B't X!! Bigger, badder, and better than ever!...

Teppei and X meet up with Fou and Je'taime and Hokuto and B't Max again. Teppei and X have to battle their way into ...

It seems like an endless fight to destroy the B't Lalaynya and her donor Myslim! No matter what X and Teppei do, she...

Teppei and X find out that they have defeated Lalaynya, but not Myslim! Myslim counterattacks with his Cyber Whip and...

Hokuto and Fou are on their way into the Area to clear up some doubts about the Machine Empire. X and Teppei are als...