Following the events in Transformers: The Movie, the Decepticons have fled and the Autobots are victorious under the command of a new leader, Rodimus Prime. In the midst of the celebrations, the Autobots are attacked, leaving the Decepticons the obvious suspects. Meanwhile, the mysterious Quintessons attempt to conceal a dark secret as old as Cybertron itself.

• Peter Cullen
• Frank Welker
• Richard Gautier
• Jack Angel
• Gregg Berger
• Susan Blu
• Neil Ross
• John Stephenson