Writing

1997

(2 episodes) … Writer

1989

(20 episodes) … Writer

1987

(3 episodes) … Writer

1978

(14 episodes) … Writer

1972

(3 episodes) … Writer

Creator

1997

… Creator

1991

… Creator

1989

… Creator

1987

… Creator

1986

… Creator

1978

… Creator

Directing

1991

(1 episode) … Director

1989

(20 episodes) … Director

1987

(8 episodes) … Director

1978

(2 episodes) … Director

1976

(4 episodes) … Director

Production

1987

(22 episodes) … Executive Producer

1978

(90 episodes) … Executive Producer

1976

(44 episodes) … Producer

Acting

1978

(1 episode) as Policeman #1

Crew

1989

(20 episodes) … Creator