Episode Title:Cockroach Terminator.Episode Description:Donatello creates a "spyroach" to spy on the Kraang in TCRI. They learn that the Kraang are planning on drilling into the Earth's core. Then, the spyroach becomes accidentally mutated. When the Turtles find the Spyroach, they find out that it is targeting Raphael, because he tried to destroy the spyroach earlier, since he is afraid of cockroaches.