I used to know an ancient remedy for mad dogs. I must look it up sometime. Good library here, have you?
S18 E6The Keeper of Traken
S18 E7Logopolis
The Master's already at work on Logopolis. I'm going to stop him if it's the last thing I do.
Well, there's certainly intelligent life at the end of this lot.
I've just dipped into the future. We must be prepared for the worst.
You killed my father.
But his body remains useful.
[The Fourth Doctor's last words.]
It's the end... but the moment has been prepared for... [points to a ghostly figure that walks forward]
The Watcher!
[The Watcher merges with the Doctor]
He was the Doctor all the time.
[The Fourth Doctor turns into the Watcher, then gains youthful features and short straight hair. The Fifth Doctor sits up]
S19 E1Castrovalva
(4 January - 12 January 1982)
[looking in the mirror at his newly-regenerated form] That's the trouble with regeneration. You never quite know what you're going to get.
Which is the quickest way out of here?
[Each of the women at the fountain point in different directions.]
Yes. Well, That's democracy for you. Come on.
Tell me, Portreve, off the record, will I find the Doctor here?
PThe Portreve
Oh, yes, Doctor, very soon.
Good.
(to Adric) Don't you understand? The regeneration is failing!
S19 E2Four to Doomsday
(to Monarch) "You know, I come here from time to time myself and nothing on earth changes quite so often as the fashion! You wouldn't believe the way some people look!"
LFLin Futu
I am Lin Futu.
Well I'd never have guessed it, you look in the best of health to me!
(to Adric) Now listen to me, you young idiot; you're not so much gullible as you are idealistic.
S19 E3Kinda
An apple a day keeps the... No, never mind.
There's always something to look at if you open your eyes!
These quotes come from Wikiquote's Doctor Who pages and are available under the Creative Commons Attribution-ShareAlike License.