The city of Megaville and the rest of the world is under attack by the Roborg, A race of reptilian alien cyborgs. Droid Tripods are hunting down humans, Roborg Starships are destroying whole cities and Robot Starfighters are swarming all over the sky. Once again the Powerpuff Girls and the Darkstar Council team up. Later they found out that it was the Roborg who attacked Atomic Betty. The Powerpuff Girls/Darkstar Council and the Roborg fought for months, but the heroes won at the end, on July 4th. And so once again the day is saved thanks to the Powerpuff Girls and the Darkstar Council. The End.