is a 2D-animated television special from the Teenage Mutant Ninja Turtles franchise that originally aired on Nickelodeon on November 22, 2015. Unlike the 3D CGI style of the mainline 2012 series, this 44-minute special features a "super-deformed" or "cute" art style designed specifically for a younger, preschool-aged audience. Plot Summary
The story follows Leonardo, Raphael, Donatello, and Michelangelo as they recover a mysterious crystal stolen by Shredder’s henchmen. When Donatello attempts to use the crystal to power his "Turtle Robot," the team—along with stowaways Bebop and Rocksteady—is accidentally transported 100 million years back to the Cretaceous period . While in the past, the Turtles must: TMNT Half-Shell Heroes: Blast to the Past