created by (176 episodes, 2004-2012)
written by (10 episodes, 2004-2012)
teleplay by (6 episodes, 2005-2011)
story by (3 episodes, 2006)
story editor (24 episodes, 2006-2007)
show staff writer (21 episodes, 2005-2006)
written by (17 episodes, 2005-2012)
executive story editor (16 episodes, 2007-2008)
staff writer (2 episodes, 2005)
executive story editor (24 episodes, 2006-2007)
story editor (24 episodes, 2005-2006)
written by (19 episodes, 2005-2012)
teleplay by (1 episode, 2008)
written by (13 episodes, 2006-2012)
staff writer (22 episodes, 2006-2007)
written by (6 episodes, 2006-2009)
written by (19 episodes, 2004-2012)
teleplay by (5 episodes, 2005-2010)
story by (3 episodes, 2005-2010)
written by (16 episodes, 2004-2011)
teleplay by (2 episodes, 2006)
story by (2 episodes, 2007-2011)
teleplay by (2 episodes, 2007-2011)
written by (13 episodes, 2005-2012)
teleplay by (4 episodes, 2006-2010)
written by (13 episodes, 2006-2010)
story by (1 episode, 2008)
written by (9 episodes, 2007-2012)
teleplay by (3 episodes, 2008-2011)
story by (2 episodes, 2010-2011)
written by (7 episodes, 2010-2012)
written by (6 episodes, 2007-2009)
written by (4 episodes, 2004-2005)
story by (1 episode, 2006)
teleplay by (1 episode, 2006)
written by (5 episodes, 2005-2006)
written by (4 episodes, 2006-2009)
written by (3 episodes, 2010-2011)
story by (1 episode, 2011)
teleplay by (1 episode, 2012)
written by (4 episodes, 2011-2012)
written by (2 episodes, 2004-2005)
written by (2 episodes, 2008-2012)
written by (2 episodes, 2012)
written by (1 episode, 2005)
written by (1 episode, 2007)
written by (1 episode, 2008)
written by (1 episode, 2012)
story by (1 episode, 2012)