A new age begins for the TMNT. The epic events of the past have created new opportunities for the future… and new dangers. Will the family stay united in the face of a devastating new foe? Collects issues #51–55.
As the Turtles continue to get used to a world leading the Foot Clan post-Shredder, they return to the Technodrome to monitor the revival of the Utroms on Burnow Island. They are surprised to meet a new mutant Leatherhead! Will the mysterious mutant be friend or foe? Collects issues #56-60.
While the Turtles and Splinter are reeling from a surprise attack by Kitsune, exposing weaknesses in their defense, the Street Phantoms use the opportunity to pounce. Collects issues #61-65.
The Turtles take the fight to Baxter Stockman, while Karai decrees a "Gauntlet" battle between ancient foes Splinter and Shredder all leading to a final showdown that will determine the fate of NYC, and the world, for years to come! Collects issues #48-50.
