Borusa, The Doctor and others in “The Deadly Assassin”

As I believe I told you long ago, Doctor, you will never amount to anything in the galaxy while you retain your propensity for vulgar facetiousness.

Yes, sir. You've said that many times, sir. May I go, sir?

Certainly you may, preferably with the utmost expedition. [To Spandrell] Perhaps you will see that the transduction barriers are raised.

Yes, sir.

Oh, Doctor?

Sir?

Nine out of ten.

Oh... [chuckles bashfully] Thank you, sir.