Disturbing the Peace (Porridge) will be made a misery. Despite this, every prisoner greets Mackay with a chorus of For He's a Jolly Good Fellow, which Mackay reacts to with a wry, almost appreciative smile. Disturbing the Peace (Porridge) "Disturbing the Peace" is an episode of the BBC sitcom "Porridge". It first aired on 7 November 1975. In this episode, Mr Mackay leaves Slade Prison to go on a course. The rest of the prison rejoices, until they realise Mackay's replacement is Mr. Wainwright who Fletcher remembers from Brixton. Fletch realises that Wainwright is a threat, but this does not stop the prisoners teaching
Porridge (TV series) "Porridge", a slang term for prison; Barker, Clement and La Frenais actually came up with the same title independently of each other. In their research, Clement and La Frenais spoke to Jonathan Marshall, a former prisoner who had written a book, "How to Survive in the Nick", and he advised them about prison slang, dress and routines. Struggling to think up plots and humour for such a downbeat, confined environment, a particular phrase used by Marshall – "little victories" – struck a chord and convinced them to base the series on an inmate who made his daily life in prison