Brooke-Taylor, 62, concedes that some of the humour may have dated, but he reckons that the show's political satire - such as a sketch on life in apartheid South Africa - will make interesting viewing with hindsight. "It had a piano which had all the black keys at one end and the white ones at the other, which was quite strong stuff for the time," he said. "The BBC were nervous about it but we got away with it because it was humour."