Which of these Classic British Sitcoms Ran for More Series?

Question: Which of the following two classic British sitcoms ran for the most amount of series?

Bread or Porridge?

Answer: The sitcom which made the most series was Bread. The Liverpool based BBC show ran for 7 series between May 1986 and November 1991 filming a total of 74 episodes.

The prison based sitcom Porridge which starred Ronnie Barker made just 3 series between 1974 and 1977 with a total of 21 episodes.