The Turtles return to the underground city but they find the city is now abandoned, it's crystal moon power source missing, and it's human population reduced to monsters. Can an unstable serum created by Donatello restore the humans to normal?
Genres: Action & Adventure , Animation , Kids
Keywords: based-on-comic , cartoon , martial-arts , mutant , mutant-animal , ninja , reboot , superhero , time-travel , turtle , latest-web-series-online , tv-shows-online