creator (46 episodes, 1973-1976)
writer (18 episodes, 1973-1976)
story (1 episode, 1975)
writer (6 episodes, 1973-1976)
script (1 episode, 1975)
writer (4 episodes, 1975-1976)
writer (2 episodes, 1973-1975)
writer (2 episodes, 1973-1974)
writer (2 episodes, 1974)
writer (1 episode, 1973)
story (1 episode, 1973)
writer (1 episode, 1974)