Takuma fails an important mission as he let's his individual success go to head when he defeats Mecha-Satan "Marzon." Captain Dan crash lands the Sky Arrow and almost accidently reveals his idenity to his son. Doppler forces succeed in kidnapping more scientists for development of more Mecha-Satans and Doppler's new flagship bound for Promete! Takuma learns a painful lesson, by satifying his personal victory over the Mecha-Satan he failed the mission by not being able to save the scientists that are now in Doppler's clutches...
