2011

(1 episode) … Writer

2004

(30 episodes) … Writer

2000

(14 episodes) … Writer

1999

(2 episodes) … Writer

1998

(1 episode) … Writer

1997

(4 episodes) … Writer

1990

(1 episode) … Writer

1985

(1 episode) … Writer

2019

(26 episodes) … Executive Producer

2015

(31 episodes) … Executive Producer

2011

(22 episodes) … Producer

2004

(1 episode) … Executive Producer (157 episodes) … Producer

2000

(89 episodes) … Supervising Producer (89 episodes) … Executive Producer

1997

(17 episodes) … Producer

1990

(127 episodes) … Producer

—

… Creator