created by (168 episodes, 1970-1977)
written by (6 episodes, 1970-1977)
written by (8 episodes, 1970-1977)
written by (31 episodes, 1973-1977)
story consultant (24 episodes, 1971-1972)
written by (8 episodes, 1970-1971)
written by (20 episodes, 1972-1977)
written by (16 episodes, 1970-1974)
written by (15 episodes, 1975-1977)
written by (11 episodes, 1973-1977)
written by (8 episodes, 1970-1972)
written by (8 episodes, 1971-1973)
written by (7 episodes, 1970-1971)
written by (5 episodes, 1971-1972)
written by (4 episodes, 1972-1974)
written by (4 episodes, 1972-1973)
written by (3 episodes, 1973-1974)
written by (3 episodes, 1975-1977)
written by (2 episodes, 1970)
written by (2 episodes, 1972-1976)
written by (2 episodes, 1972)
written by (2 episodes, 1973-1975)
written by (2 episodes, 1973-1974)
written by (2 episodes, 1976)
written by (1 episode, 1970)
written by (1 episode, 1971)
written by (1 episode, 1972)
written by (1 episode, 1973)
written by (1 episode, 1974)
written by (1 episode, 1975)
story by (1 episode, 1975)
written by (1 episode, 1976)
written by (1 episode, 1977)