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 Episodio #6.2 (1986), a rare example of a character crossing over from one series to another.
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.
Warren Mitchell did a lot of his own stunts in this show, quite impressive for a man who was then in his 60s.
Warren Mitchell was only 59 years old when the first series was filmed.