For me, the best bit of dialogue is between Basil and Sybil when she's the hospital at the beginning of The Germans.
Best Fawlty Towers Quote or Scene Page 4
(Basil walks out of cupboard with broom)
"Right, the game is up!"
(Doctors shock on face)
"Bit of game pie stuck up there!"
I knew! I knew!
Hello, Fawlty titties.
No! No! I'll not have that! there's a place in Eastbourne.
You naughty Moose!
Quote: JohnnyD @ 6th March 2013, 12:58 PM GMTI always enjoy the following exchange (the more so because it doesn't get much of a laugh).
Basil: (putting down a coffee) Cafe pour vous.
Mrs. Peignor: (disappointed) Oh. Pas pour tu?
Basil: No. I'll probably have one later.
I reckon you transcribed it more accurately first time around: https://www.comedy.co.uk/forums/thread/6413/5#P619976
'That's Brahms. Brahms' Third Racket!'
"Did you ever see that film, "How To Murder Your Wife"? awfully good. I saw it six times".