creator (4,243 episodes, 1964-1988)
series originally devised by (1 episode, 1977)
writer (1 episode, 1964)
creator (4,241 episodes, 1964-1988)
story by (1,082 episodes, 1979-1986)
script (64 episodes, 1968-1978)
storyliner (24 episodes, 1978-1986)
by (4 episodes, 1968-1970)
writer (3 episodes, 1964-1972)
(660 episodes, 1973-1985)
script by (231 episodes, 1981-1983)
script (114 episodes, 1973-1981)
scriptwriter (6 episodes, 1982)
writer (2 episodes, 1981-1982)
(412 episodes, 1975-1984)
script (100 episodes, 1975-1981)
script by (48 episodes, 1981-1982)
writer (1 episode, 1981)
script (152 episodes, 1967-1980)
script by (143 episodes, 1982-1983)
(395 episodes, 1967-1983)
writer (3 episodes, 1972-1982)
script by (159 episodes, 1982-1983)
script (76 episodes, 1976-1979)
(237 episodes, 1976-1985)
(156 episodes, 1966-1980)
script (33 episodes, 1967)
written by (1 episode, 1967)
story by (112 episodes, 1967-1968)
script (11 episodes, 1967-1968)
(110 episodes, 1965-1967)
script (28 episodes, 1965-1967)
writer (2 episodes, 1966)
script by (70 episodes, 1981-1982)
(109 episodes, 1981-1982)
script (2 episodes, 1981)
(104 episodes, 1965-1980)
script (35 episodes, 1967-1980)
writer (2 episodes, 1972)
story editor (1 episode, 1977)
(95 episodes, 1981-1982)
script by (38 episodes, 1982)
script (1 episode, 1981)
(75 episodes, 1965-1966)
(68 episodes, 1965-1966)
(60 episodes, 1964-1965)
script (50 episodes, 1980-1981)
(50 episodes, 1980-1981)
(49 episodes, 1977-1981)
script (10 episodes, 1977-1978)
(36 episodes, 1964-1965)
(36 episodes, 1980)
script (17 episodes, 1967)
(28 episodes, 1966-1967)
script (28 episodes, 1967-1968)
story by (15 episodes, 1968)
script (11 episodes, 1968)
(27 episodes, 1968)
script (12 episodes, 1967)
(22 episodes, 1965-1967)
script (19 episodes, 1967-1968)
(20 episodes, 1967-1968)
(15 episodes, 1964-1965)
script (11 episodes, 1968-1975)
(14 episodes, 1968-1975)
script (12 episodes, 1973)
(13 episodes, 1972-1973)
(10 episodes, 1964-1965)
(10 episodes, 1965)
script (10 episodes, 1968)
script (3 episodes, 1968-1974)
(7 episodes, 1968-1974)
writer (2 episodes, 1971)
script (5 episodes, 1975-1977)
(7 episodes, 1975-1977)
script (7 episodes, 1978-1979)
(5 episodes, 1964)
(5 episodes, 1965)
script (5 episodes, 1968)
script (4 episodes, 1974-1975)
(5 episodes, 1974-1975)
script (4 episodes, 1972)
script (4 episodes, 1973)
(4 episodes, 1983-1984)
writer (4 episodes, 1988)
writer (3 episodes, 1971)
script (2 episodes, 1972)
(3 episodes, 1972)
(3 episodes, 1975-1976)
script (1 episode, 1975)
writer (3 episodes, 1988)
story advisor (2 episodes, 1972)
script (2 episodes, 1973)
script (1 episode, 1969)
script (1 episode, 1970)
script (1 episode, 1973)
script (1 episode, 1976)
writer (1 episode, 1985)
(1 episode, 1986)
writer (1 episode, 1987)
(unknown episodes)