Desperate! X's Death
X is dying, and now the strongest of the Dark Knights, Mira, shows up to stop them! Teppei fights back with his Messiah Fist to try and keep X out of it, but X wants no part of it and attacks on his own. Only united do they stand a chance, and Teppei rejoins X. They use the Prism of Aura at full power and stop Mira, but it uses everything X has left.... Episode summary graciously provided by Vortex Fansubs
Aired 10/08/1996EP 19 - Desperate! X's Death

B't X
Teppei is going to visit his older brother Kotaro Takamiya during a scientific conference after training with a mysterious woman named Karen for the past 11 years. However his plans for a family reunion become stalled when a woman named Aramis kills everyone in the conference to kidnap Kotaro. Teppei on the way to save his brother encounters a broken mechanical horse called B't X who revives thanks to Teppei's blood and is now his aide to save his brother from the mysterious Machine Empire.