A black hole forces the Transformers to evacuate Cybertron and take refuge on Earth. But an ancient Transformer named Vector Prime discovers a clue to sealing the vortex...
Hot Shot continues training on Velocitron. Summoned to Jungle Planet by a fake distress call, Optimus and Vector Prime are rescued by Leobraker, then forced to fight the Decepticons. Optimus discovers a new power.
On Velocitron Hot Shot passes the third stage of the grand prix, while on Jungle Planet Sideways engineers a fight between the Autobots and the Decepticons.
Override and Hot Shot, with Coby riding along to make adjustments to the Autobot's systems, compete in the final race - but Megatron arrives to steal the Cyber Planet Key. The Omega Lock reveals surprise coordinates.
Despite Decepticon treachery, Optimus battles Scourge with the power of teamwork, and Scourge learns a valuable lesson in taking all options into consideration, not just fighting.
The Autobots head off in different directions with boxed decoys of Jungle Planet's Cyber Key, in order to split up the Decepticon forces. On earth, a new transformer is discovered encased in Arctic ice.