Frightening! The Mystery of the Machine Emperor!
X and Teppei thought that Captain Hook and his B't had been defeated! But he hadn't!!! Captain Hook gives them a taste of his weapon, the Hanging Rod and just about fries them. His B't Groupie revives also and comes back to try and eat them again. X is damaged, but he and Teppei must still overcome these two again if they're going to continue into the Area!Episode summary graciously provided by Vortex Fansubs
Aired 18/05/1996EP 7 - Frightening! The Mystery of the Machine Emperor!

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.