Beginning

Representatives of each planet have successively gathered together on Cybertron. The first Space Peace Conference opens with Optimus Prime. Colonel Franklin suggests hiding the Keys and the Omega Lock. Optimus Prime makes a proposal for the construction plan of a new space bridge that would connect the entire universe. All the representatives agreed to the proposal, and the project began. Optimus Prime, who wishes to take part in the project, made Jetfire the new leader of the Autobots. Override passed leadership over to Hot Shot, who won a race despite his weight and size, desiring to take part on the new Space Bridge project as she wanted to race on new planets. Evac and the Earth Decepticons too wanted to go on the project, leaving Crosswise in charge of Earth. Scourge who was unable to find someone who is able to defeat him and become the new leader of Jungle Planet, sent Leobreaker, Undermine and Brimstone on the project instead. Metroplex and the inhabitants of Giant Planet went on the Space Bridge project. A new journey thus begins with the Cybertronian ships heading to the four corners of the universe. Thunderblast, Crumplezone and Ransack become Decepticons again and dragged Thundercracker along with them. In the ending credits, Coby and Lori married while Bud won an Oscar. Colonel Franklin and Dr. Suzuki are also married, with one child and another on the way. Starscream also emerges from his Inferno dimension and is immediately tracked down by Landmine, Mudflap, and Wing Saber. The outcome of the battle is unknown, and the agents of Planet X live on elsewhere. Jetfire is seen giving orders and pointing at something in a room full of screens. Also, Galvatron and Vector Prime are both shown to be alive and dueling in a purgatory type setting. With the four Transformer worlds at peace, the heroes bid farewell to old friends and embark upon a whole new adventure. As the humans wave off the mighty Cybertronian ships, the human heroes from the past two shows, Carlos, Rad, Alexis, and Kicker, now each 10 years older than in Energon, are seen in the crowd.