Coronation Street / Season 20 Coronation Street - Season 20 Mark All Watched 1 Mon Jan 1 1979 2 7th March 1979 3 12th March 1979 4 9th April 1979 5 16th April 1979 6 23rd April 1979 7 4th June 1979 8 25th June 1979 9 28th November 1979 83 Mon Dec 31 1979