The Doctor: Rose... before I go, I just want to tell you: you were fantastic. Absolutely fantastic. And do you know what? [Pause] So was I!
[The TARDIS lights up with energy as the Doctor regenerates into his tenth incarnation.]
The Tenth Doctor: Hello! Okay— [The Doctor pauses and swallows uncomfortably] New teeth. That's weird. So where was I? Oh, that's right. Barcelona! [Grins]

Autore: Russell T. Davies