Really, absolutely extraordinary!
I'm astonished at some of the stuff they have here, although it probably won't seem as amazing to you unless you're British and over 35 years old.
Bagpuss! (stop motion animated kids show)
Citizen Smith! (the comical misadventures of the Trotskyist Tooting Peoples Front)
Sapphire and Steel! ("All irregularities will be handled by the forces controlling each dimension. Trans-uranic heavy elements may not be used where there is life.")
Do yourselves a favour and download White Horses - it's beautiful.