Season
- Season 1 1965-10-19
- Season 2 1966-09-27
- Season 3 1967-10-15
- Season 4 1968-09-01
- Season 5 1969-10-12
- Season 6 1970-09-20
- Season 7 1971-09-26
- Season 8 1972-09-25
- Season 9 1973-09-16
- Season 10 1974-09-08
- Season 11 1975-09-28
- Season 12 1976-09-19
- Season 13 1977-10-30
- Season 14 1978-11-26
- Season 15 1982-05-24
- Season 16 1983-05-22
Season 16 Episode
BBC Play of the Month
5.00 90 minutes 
