Some Mothers Do 'Ave 'Em his daughter, also named Jessica; references to Frank's mother suggest that she was very like her son. The final series was written by Allen based on stories by Michael Crawford (not written by Crawford himself as sometimes reported) and made five years after the previous one (although there had been two Christmas specials in between). Frank's character changes noticeably in this series, becoming more self-aware and keen to make himself appear more educated and well-spoken. He develops an air of pomposity which is always best demonstrated when someone would approach and enquire "Mr Spencer?" to which he would always reply,
Michael Crawford "Some Mothers Do 'Ave 'Em", Crawford continued to perform in plays and musicals, starring in "Flowers for Algernon" (1979) in the role of Charley Gordon, based on the book of the same title. He pursued another role on a very short-lived ITV sitcom, "Chalk and Cheese", as the slovenly, uncouth Dave Finn. The show did not go over well with his fans: the popularity of Crawford's portrayal of Frank Spencer, and the similar Billy Fisher character, had left him somewhat typecast, to the extent that they could not accept his very different role as Dave Finn. Crawford abandoned the show