15-to-1 would get my vote as well.
A simple, straightforward quiz show with no fancy gimmicks or complicated rules. I think these days there are too few quiz shows and too many game shows.
Catchphrase? - Is it still going?
Blockbusters - used to love it growing up.
The one I absolutely hate is eggheads on BBC2 full of Smug self righteous pontificating bastards.