Following the defeat of the planet eater known as Unicron and the end of the great Cybertronian War, the victorious Autobots, led by Rodimus Prime, finally reclaim their home world. But when Galvatron is returned to the ranks of power by his exiled Decepticons, his war against the Autobots is revived and this time, it's fueled by vengeance! Opening with the five-part fan-favorite miniseries "The Five Faces of Darkness," The Transformers' explosive third season follows the valiant Autobots as they're targeted for destruction by not only their old foes, the Decepticons, but also the mysterious and deadly creators known as the Quintessons! This final four-disc set of the mega-popular animated series concludes with the rarely seen three-episode fourth season that introduces you to the amazing world of the Headmasters!