Departure! Desperate Battle Road
When Teppei comes around after his last battle, he finds himself being treated in Fou's chapel! X, however, has been deactivated and is lying motionless... One of the Machine Empire's hit men, Kaas, shows up and takes some of the children hostage to use against Fou. Je'taime, Fou, and Teppei and X must work together to stop the soldiers from getting away and reporting back to the Empire!Episode summary graciously provided by Vortex Fansubs
Aired 04/05/1996EP 5 - Departure! Desperate Battle Road

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.