created by (113 episodes, 1969-1974)
written by (1 episode, 1969)
written by (10 episodes, 1972-1974)
written by (7 episodes, 1973)
teleplay (2 episodes, 1972-1974)
story (1 episode, 1972)
teleplay (4 episodes, 1970-1971)
written by (3 episodes, 1970-1972)
story (1 episode, 1971)
written by (6 episodes, 1970-1971)
teleplay (3 episodes, 1971-1973)
written by (3 episodes, 1972-1974)
story (1 episode, 1973)
written by (3 episodes, 1969-1970)
teleplay (2 episodes, 1969-1971)
written by (5 episodes, 1971-1972)
teleplay (1 episode, 1970)
written by (4 episodes, 1969)
written by (4 episodes, 1971-1973)
story (2 episodes, 1971-1972)
written by (2 episodes, 1971)
teleplay (1 episode, 1971)
written by (3 episodes, 1971-1972)
written by (4 episodes, 1972-1973)
written by (2 episodes, 1969-1970)
written by (3 episodes, 1970-1971)
written by (2 episodes, 1970)
written by (2 episodes, 1972-1973)
teleplay (1 episode, 1972)
story (1 episode, 1970)
written by (2 episodes, 1969)
written by (2 episodes, 1970-1971)
written by (2 episodes, 1971-1972)
story (2 episodes, 1971)
written by (2 episodes, 1972)
story (1 episode, 1969)
teleplay (1 episode, 1969)
written by (1 episode, 1970)
written by (1 episode, 1971)
story by (1 episode, 1972)
teleplay by (1 episode, 1972)
written by (1 episode, 1972)
written by (1 episode, 1973)
story (1 episode, 1974)