He revealed in the last episode of The Two Ronnies Sketchbook in 2005 that, instead of another male shop assistant coming out and replacing Corbett, a large lady would come out and say "Right then young man, what kind of knockers are you after?"
The Two Ronnies Sketchbook was a collection of classic sketches from the BBC comedy series The Two Ronnies, with newly filmed introductions by the stars, Ronnie Barker and Ronnie Corbett.
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Each week an episode of the classic Spike Milligan-scripted serial The Phantom Raspberry Blower of Old London Town was shown, and each episode featured a new performance by a popular singer.