It has been a long time coming for Nickelodeon TMNT fans to meet Casey Jones, the masked vigilante who fights crime in his own ways. The upcoming episode “Mutagen Man Unleashed” will premiere both Casey Jones and Mutagen Man (AKA Timothy/Pulverizer) in his new mutated form, these two characters are iconic to Teenage Mutant Ninja Turtles history.

The episode “Mutagen Man Unleashed” will be airing Saturday 11/9/13. Take a look at the exclusive clip from the upcoming episode and tell us your thoughts. Will Donatello hate Casey Jones? Does Casey accept new friends? Will Mutagen Man seek war with the Turtles?