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 "No Sex Please, We're British", in which he played the part of frantic chief cashier Brian Runnicles. His performance led to an invitation to star in a BBC television comedy series about a childlike and eternally haphazard man who causes disaster everywhere he goes. Crawford was not the first choice for the role of Frank Spencer in "Some Mothers Do 'Ave 'Em". Originally, the part had been offered to comedy actor Ronnie Barker but after he and Norman Wisdom had turned it down, Crawford took on the challenge, adopting a similar characterisation to that which he used when playing Brian