Seasons
Season 1
9 episodes • 1961
Season 2
13 episodes • 1962
Season 3
13 episodes • 1963
Season 4
13 episodes • 1964
Season 5
9 episodes • 1966
Season 6
10 episodes • 1967
Season 7
8 episodes • 1968
Season 8
5 episodes • 1969
Season 9
7 episodes • 1970
Season 10
7 episodes • 1970
Season 11
7 episodes • 1971
Season 12
8 episodes • 1971
Season 13
13 episodes • 1973
Season 14
7 episodes • 1974
Season 15
11 episodes • 1976
Season 16
7 episodes • 1980
Season 17
8 episodes • 1981
Season 18
8 episodes • 1982
Season 19
7 episodes • 1983
Cast
Crew
Writer
Producer
Networks
Details
Original Language
en
Country of Origin
GB
Type
Scripted
Production
BBC, Thames Television, ITV
