Starscream is going to destroy the Earth and take the energy from the explosion to rule the Universe. The Autobots and Decepticons must team up to stop that disaster.

On the way to Earth with a type of insecticide to use against the Insecticons, Spike, Bumblebee and Cosmos encounter Morphobots. They get away just fine, but they inadvertently take Morphobots along for the ride.