Half-Shell Heroes: Blast to the Past is a Teenage Mutant Ninja Turtles TV movie, which aired on November 22, 2015.
In the special, the Ninja Turtles are accidentally transported back to the Cretaceous period by an ancient meteorite and must work together with Rocksteady and Bebop (along with some newly befriended dinosaur allies) to get back to their own time, while simultaneously fending off would-be predators and a faction of the Triceraton Army led by General Zera.
- Seth Green as Leonardo
- Sean Astin as Raphael
- Greg Cipes as Michelangelo
- Rob Paulsen as Donatello / Triceraton Lieutenant
- Kate Mulgrew as General Zera
- Eric Bauza as Tiger Claw / Triceraton Soldier #2 / Triceraton #3 / Guard #1
- Fred Tatasciore as Rocksteady / Triceraton Soldier #1 / Lt. Zorg
- J.B. Smoove as Bebop