Despite very high audience ratings and critical praise, the series ended after just 2 seasons and 14 episodes, as writer John Sullivan felt he had exhausted all storylines and the series and characters had nowhere else to go.
Ralph Bates, who played the lead character in this show, was a descendant of the famous French scientist, Louis Pasteur. Bates died of cancer in 1991, aged only 51.
As the opening titles showed, the group's newspaper ad ran: "Divorced/Separated? Come and join us! 1-2-1 Club. Encounter group. Phone 01-567 0192".
Remade in the U.S. as Dear John (1988-1992) and shown on the NBC network. This version starred Judd Hirsch in the lead role and was eventually shown in the UK by the BBC as 'Dear John - USA'.