Anthony Booth declined to reprise his role as Mike, saying he had no interest in playing the character again.
Writer Johnny Speight created a sketch where Alf Garnett met Little and Large in Episode #6.2 (1986), a rare example of a character crossing over from one series to another.
Eamonn Walker was also known as 'Marigold', playing Elsie's camp home help
The fourth season was co-produced in association with the Australian Broadcasting Corporation (ABC), enabling the last three episodes to be taped on location in Sydney.
In the third season Rita marries Doctor Cyril Thomson (Gareth Forwood), despite the fact that Una Stubbs had left the series and so never spends any time on-screen with Rita's second husband.