(This takes place after the Rollercoaster of Friendship)

4 Turtles, 4 Brothers, Genetically mutated by a Radioactive Ooze that transformed them into Humanized turtles, raised by a sensei who is a mutant rat and lived in the sewers of New York city in Manehatton. When the Group known as the Rainbooms visit the City with their little sisters, They see that evil attacking the city. But with the help of the defenders of New York City and 2 human friends, who are now their new friends, It's up to Leonardo, Raphael, Donatello, Michelangleo to take their enemies, Krang, Bebop and Rocksteady, And their arch enemy of all....The Shredder. Together they will strike hard and fate away into the night as the...Teenage Mutant Ninja Turtles.