The Purple Dragons, New York City's toughest street gang, is on the run from a goalie-stick-wielding vigilante who's tearing through their ranks. That's right, say hello to Casey Jones! The sparks really start to fly when the maniac in a hockey mask runs into the Turtles' resident tough guy: Raphael! Sais clash with sticks as we take a new look at this fan-favorite team-up!