Big Turnaround! The Transforming Robo (大逆転! 変身ロボ Dai Gyakuten! Henshin Robo) is the eighteenth episode of Choushinsei Flashman. This episode is the fourth of the initial encounter with Sir Kauler and reveals the history of Ley Baraki and his connection both with the Flash and with the villains of Mess, as well as introducing the two combat forms of Flash Titan: Titan Boy and Great Titan. This was also the last of four episodes that was made into the movie Choushinsei Flashman: Big Rally! Titan Boy!.