Writing

2007

(1 episode) … Writer

1990

(1 episode) … Writer

1986

(4 episodes) … Writer

1984

(3 episodes) … Writer

1977

(14 episodes) … Writer

1975

(4 episodes) … Writer

1974

(1 episode) … Writer

1971

(29 episodes) … Writer

Production

1984

(22 episodes) … Producer

1977

(23 episodes) … Executive Producer (148 episodes) … Producer

1975

(253 episodes) … Producer

1971

(210 episodes) … Producer

Creator

1976

… Creator

1975

… Creator