When a bunch of workers dug up four mysterious gems, they put them in the museum in Paris as ancient artifacts from an ancient race of gems from space, only for them to be stolen at midnight by a new villain and his gang of bad guys. Incidentally, The Powerpuff Girls and the gang are spending Spring break at Beach City after the girls failed to capture the bad guys, where they meet some new allies: Steven and the Crystal Gems, who happened to be the mysterious gems from the museum.
The Powerpuff Girls: Blossom, Bubbles & Buttercup
The Loud Kids: Lincoln, Lori, Leni, Luna, Luan, Lynn, Lucy, Lola, Lana, Lisa & Lily
Scooby-Doo & Shaggy
Sonic the Hedgehog & Tails
Steven Universe, Garnet, Amethyst & Pearl
- The music will be from Graeme Revell and John Debney while the additional music will be from Heitor Pereira and Aivi & Surasshu.
- This is the first special to have Steven Universe in the Powerpuff Girls Z World.
- This special takes place before the Steven Universe episode, The Return, and will feature new story elements that is loosely based on Despicable Me 3.
In other news, B-Master Animation will maybe work on a sequel that will focus after the Sardonyx Week or the Out of this World week on Steven Universe.