J.D.: [v.o.] My partner and I - Yeah, I said it - we had heard that Billy was back, and he was mad.
Billy: I warned ya!
J.D.: What the hell happened?
Billy: He woke up and said something snarky, so I popped him again!
Turk: Are you serious?!
Man: Boo!
J.D.: [screams] Oh, you think scaring people's funny, huh?! Well, good! Because you're dying!
Turk: John Dorian, you are a doctor!
J.D.: Well, he started it!