Also from Yes Minister. When the PM newly appointed minster thinks he's about to be sacked, Humphrey says "Well, the Prime Minister giveth, and the Prime Minister... taketh away. Blessed be the name of the Prime Minister."
Little Britain: "We have a noooooooooo member." Also the moment when Marjorie violently overturns a table laden with cakes, when she realises she's not invited.
Vicar of Dibley: "No no no no no no no no no no no no no no yes."
When Richard O'Brien hosted the Crystal Maze in the 90s, he was a goldmine of quotes, I used to repeat them at school.
"He was very gay, he was very jolly, but that's not to say that he actually was... gay."
"I think he's making a dog's breakfast of this, but who am I?"
(Re a fireman struggling to climb ladders) "I hope he doesn't bring a ladder round to my house, especially if I'm in the attic, screaming help help."
"Now children, if you're playing with nuclear waste, be very very careful. The disadvantage is that you're gonna die. The advantage is that you'll be very easy to find in the dark."