At the Well of the AllSpark, Bumblebee and Cheetor engage Shockwave and defeat him. However, as the AllSpark is placed back into its well, Shockwave sends his spark into the AllSpark to corrupt it and subsequently dies. In response to Shockwave's action, Cheetor sends his own spark into the artifact to reverse its corruption and fully revitalise Cybertron, sacrificing himself in the process. Optimus sends Megatron flying into a swarm of Scraplets, achieving complete victory for the Autobots and ending the war.
When Bumblebee can't remember what his current mission on Earth is, Windblade repairs his memory chips, enabling him to rediscover his past adventures on Cybertron. When his memories are being repaired, Bumblebee gets a clue that will lead both him and Windblade to complete their mission and save their friends, unaware that Megatron sent his Decepticon assassins to hunt them down.