It's like taking over This Is Your Life from Eamonn Andrews - you just open your mouth and hope you sound like yourself. That's all you can possibly do. ↗
We took up the offer with the BBC, and that was Monty Python's Flying Circus. I didn't have to submit my ideas to the group. I used to turn up on the days we recorded with a can of film under my arm, and in it went. ↗