The fourth movie of the series. The Powerpunk Girls are mixed up an adventure to save the world from destruction, by the evil Mojo Jojo, with The Rockette Girls. At the end, they decide to go back to their usual stuff: trying to destroy The Powerpuff Girls once and for all, thus ending the movie. Though, The Powerpuff Girls don't make an appearance at all, only mention. This goes for The Rowdyruff Boys, who doesn't make an appearance neither mention.
Note: This is the first time in this series where The Powerpuff Girls don't make appearance.