B't X

Frightening! The Mystery of the Machine Emperor (1x7)

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X and Teppei thought that Captain Hook and his B't had been defeated, but apparently 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.