[the Turtles attempt sneaking out of the lair to stop Casey, but are caught by Master Splinter]
Splinter: How many times have I told you not to sneak up to the surface?
Michelangelo: This month?
Donatello: 512, actually.
Splinter: It is dangerous for you to go about openly in the world above. You cannot simply walk amongst the humans. They will not accept who and what you are. It is as the great sage and warrior Kenji Hashimura once said, "Why walk when you can ride?"
Raphael: Come again?
Raphael: [Opening lines] I guess you could call it fate, but I have finally met somebody as angry as I am and he was really making me mad. My name is Raphael, and the bozo in the hockey mask is about to find out just how angry I can be.
Michelangelo: See Don, we can have our very own Battle Shell. I've even got a name for it. I call it: "The Battle Shell"! I've got it all figured out. Turbo-boosters, double-action traction, cool secret thingies shooting out the back. We should be tricking out the armored car!
Donatello: By "we", you mean me. And I don't have the time. There's too much to do around here. Besides, where would we keep the thing?
Michelangelo: We could find a place. Just think of overhauling the wheels. Please? Please please please please? Did I mention you're my favorite turtle?
Casey Jones: Somebody's gotta stop those Purple Dragons. Somebody's gotta make them pay! And they will pay. They'll all pay! 'Cuz Casey Jones is on the job!
Splinter: Ah, my son. So angry. Rage is a monster that will destroy you from within. Raphael, a true warrior finds balance in all things.
Raphael: Master Splinter. I... I... I... gotta... gotta get some air.