Dr who tenth doctor quotes School Reunion

The Doctor: So, physics! Physics, eh? Physics! Phyyyysics! I hope you're getting all this down!
The Doctor: K-9! Rose Tyler, Mickey Smith, allow me to introduce K-9! Well, K-9 Mark III, to be precise.
Rose: Why does he look so... disco?
The Doctor: Oi! Listen, in the year 5000, this was cutting edge!
Rose: I thought you and me were— Well, I obviously got it wrong. I've been to the year 5 billion, right, but this... Now, this is really seeing the future. You just leave us behind. Is that what you're gonna do to me?
The Doctor: No. Not to you.
Rose: But Sarah Jane. You were that close to her once, and now you never even mention her. Why not?
The Doctor: I don't age. I regenerate. But humans decay; you wither and you die. Imagine watching that happen to someone that you— 
Rose: What, Doctor?
The Doctor: You can spend the rest of your life with me, but I can't spend the rest of mine with you. I have to live on. Alone. That's the curse of the Time Lords.
Brother Lasar: Our time has come, my brothers. Today, we shall become...gods!
Sarah: I saw things you wouldn't believe!
Rose: Try me.
Sarah: Mummies.
Rose: I've met ghosts.
Sarah: Robots. Lots of robots.
Rose: Slitheen. In Downing Street.
Sarah: Daleks!
Rose: Met the Emperor.
Sarah: Anti-matter monsters!
Rose: Gas-mask zombies!
Sarah: Real living dinosaurs!
Rose: Real living werewolf!
Sarah: The Loch Ness monster!
Rose: Seriously?
Mr Finch/Brother Lassar: You... bad dog!
K9: Affirmative!