created by (243 episodes, 1996-2007)
writer (28 episodes, 1996-2005)
written by (25 episodes, 2005-2007)
story (12 episodes, 1997-2007)
teleplay (2 episodes, 1997)
writer (52 episodes, 1997-2004)
story (2 episodes, 1999)
written by (2 episodes, 2005)
staff writer (22 episodes, 1999-2000)
writer (9 episodes, 1998-2004)
written by (5 episodes, 2005-2007)
story (1 episode, 2001)
teleplay (1 episode, 2007)
writer (15 episodes, 1996-1999)
teleplay (1 episode, 1997)
written by (6 episodes, 2005-2007)
writer (5 episodes, 2002-2005)
teleplay (1 episode, 2006)
writer (6 episodes, 1999-2004)
writer (5 episodes, 1997-1999)
writer (3 episodes, 2002-2004)
teleplay (2 episodes, 2006)
writer (3 episodes, 1996-1997)
writer (4 episodes, 1999-2000)
writer (1 episode, 2002)
written by (1 episode, 2007)
writer (1 episode, 2003)
written by (1 episode, 2006)
writer (1 episode, 2005)
writer (2 episodes, 1996-1997)
writer (2 episodes, 1996)
writer (2 episodes, 1997-1998)
writer (2 episodes, 1997)
writer (2 episodes, 1999)
writer (2 episodes, 2000-2001)
writer (2 episodes, 2003-2004)
teleplay (1 episode, 2005)
written by (1 episode, 2005)
written by (2 episodes, 2006-2007)
written by (1 episode, 1996)
writer (1 episode, 1997)
writer (1 episode, 1998)
(1 episode, 1998)
writer (1 episode, 1999)
writer (1 episode, 2000)
writer (1 episode, 2001)