“If you are an alien, how come you sound like you're from the north?''Lots of planets have a north!”

“The Doctor: Hello, I've come to see the Lord Mayor.Idris Hopper: Have you got an appointment?The Doctor: No, just an old friend passing by, bit of a surprise. Can't wait to see her face!Idris Hopper: Well, she's just having a cup of tea.The Doctor: Just go in there and tell her "the Doctor" would like to see her.Idris Hopper: "The Doctor" who?The Doctor: Just "The Doctor". Tell her exactly that, "The Doctor".Idris Hopper: Hang on a tic.[Idris goes inside. There is the sound of a teacup smashing and Idris returns.]Idris Hopper: The Lord Mayor says "thank you f-for popping by." She'd love to have a chat, but, um, she's up to her eyes in paperwork. Perhaps you would like to make an appointment for next week...The Doctor: [happily] She's climbing out the window, isn't she?Idris Hopper: Yes, she is.”

“Wilf: God bless the cactuses! The Doctor: That's cactI. Alien: And that's racist!”

“Cyber Leader: Daleks, be warned. You have declared war upon the Cybermen. Dalek Sec: This is not war - this is pest control! Cyber Leader: We have five million Cybermen. How many are you? Dalek Sec: Four. Cyber Leader: You would destroy the Cybermen with four Daleks? Dalek Sec: We would destroy the Cybermen with one Dalek! You superior in only one respect. Cyber Leader: What is that? Dalek Sec: You are better at dying.”

“Dalek: I will talk to the Doctor.The Doctor: Oh will you? That's nice. Hello!Dalek: The Dalek strategem nears completion. The fleet is almost ready. You will not intervene.The Doctor: Oh really? Why's that, then?Dalek: We have your associate. You will obey or she will be exterminated. The Doctor: No.Dalek: Explain yourself.The Doctor: I said, "No."Dalek: What is the meaning of this negative?The Doctor: It means, "No."Dalek: But she will be destroyed!The Doctor: No! 'Cause this is what I'm gonna do. I'm gonna rescue her. I'm gonna save Rose Tyler from the middle of the Dalek fleet, and then I'm gonna save the Earth. And then—just to finish off—I'm gonna wipe every last stinking Dalek out of the sky!Dalek: But you have no weapons, no defenses, no plan.The Doctor: Yeah! And doesn't that scare you to death? Rose?Rose: Yes, Doctor?The Doctor: I'm coming to get you.”

“Doctor Who: You want weapons? We're in a library. Books are the best weapon in the world. This room's the greatest arsenal we could have. Arm yourself!(from Tooth and Claw in Season 2)”

“The Doctor: The Fourth Great and Bountiful Human Empire. And there it is: planet Earth at its height. Covered with megacities, five moons, population 96 billion. The hub of a galactic domain, stretching across a million planets, a million species. With mankind right in the middle.[Adam faints]The Doctor: [leans towards Rose, still looking out over the Earth] He's your boyfriend.”