The Turtles are run out of the city by Shredder and the Kraang, and retreat to April's farmhouse upstate. As they get used to their new environment, they'll encounter new mutants and creatures within the wild woods!

Under the tutelage of Master Splinter, these four teens have spent their formative years fighting their nemesis, Shredder, and his evil army. But the turtles' world we have come to know and love is about to change. If you thought Shredder was bad, wait until you meet the newest TMNT foe, Dragon Lord! It will take all the power for the turtles to combat this new villain, lucky for them, they will have help from a new ninja turtle, a female turtle named...

After wading in a puddle of radioactive waste, these radical reptiles are transformed into New York City's greatest crime-fighting quartet.