A new generation of Transformers stories begins in these adaptations of the celebrated animated series The Great War has passed and Cybertron is rebuilt and harmonious, though leader OPTIMUS PRIME's fate is unknown. But when an unexpected threat puts Earth in danger, a vision of OPTIMUS PRIME leads BUMBLEBEE to Earth with a team of Autobots to find his lost comrade. Includes the Pilot Episodes, parts 1 and 2.