Carla: I can't believe you two have lived together for 12 years.
Turk: Do you remember our first day together?
[flashback to a full-haired Turk walking into J.D.'s dorm room:]
Turk: Yo, they call me Chris One. What's the dealio?
J.D.: Welcome to our lair. I'm an eighth-level ogre magi with invisibility, and this is Randal.
[present:]
J.D.: You were such a dork.