Episode Title:The Good, the Bad and Casey Jones.Episode Description:Casey Jones establishes a new motive to protect New York from any future attacks from ninja and mutants. Casey ends up meeting Raphael (who is learning about anger control from Splinter) and since he is both a mutant and a ninja, Casey considers him a threat. Casey ends up following Raph to the sewer lair and discovers the existence of Splinter and the other three Turtles, as well as their friendship with April. However, he unintentionally leads the Foot Bots to the lair. Raph and Casey have to set aside their differences before their location is revealed to Karai.