based upon characters created by (24 episodes, 1971-1972)
developed for television by (23 episodes, 1971-1972)
written by (5 episodes, 1971-1972)
teleplay (5 episodes, 1971-1972)
written by (2 episodes, 1971)
story (1 episode, 1972)
teleplay (1 episode, 1972)
written by (1 episode, 1971)
story (1 episode, 1971)
teleplay (1 episode, 1971)
written by (1 episode, 1972)