Writing

—

1 episode … Writer

2002

1 episode … Writer

1995

1 episode … Writer

1985

28 episodes … Writer

1979

39 episodes … Writer

Directing

1998

1 episode … Director

1988

2 episodes … Director

1979

1 episode … Director

Production

1985

117 episodes … Executive Producer

1975

170 episodes … Producer

Creator

1989

… Creator