THE MYSTERY OF THE MISSING THUNDERCATS DEEPENS! After being transported to Third Earth (where their powers don't work) by the malicious Mojo Jojo, the Powerpuff Girls have teamed up with locals Snarf and Tygra to try and figure out how to get home to Townsville. But they've also discovered that there's evil afoot in this strange new land - and what kind of heroes would they be if they didn't stay and help? The Titanic Trio soon discover that things are even weirder on this world than they first appeared. Following an altercation with more crystal-possessed creatures, the girls and their 'Cat companions find themselves following a mysterious signal while riding on the back of a giant Arietta bird. Their ultimate destination has yet to be determined - but knowing this crew, whatever awaits them will be equal parts perilous and adorable!