created by (179 episodes, 2004-2012)
written by (16 episodes, 2004-2012)
teleplay by (2 episodes, 2006)
executive story editor (46 episodes, 2010-2012)
story editor (23 episodes, 2009-2010)
staff writer (21 episodes, 2008-2009)
written by (9 episodes, 2007-2012)
story editor (24 episodes, 2005-2006)
executive story editor (23 episodes, 2006-2007)
written by (7 episodes, 2004-2007)
teleplay by (3 episodes, 2006)
staff writer (2 episodes, 2004)
written by (6 episodes, 2005-2007)
story editor (23 episodes, 2006-2007)
executive story editor (17 episodes, 2007-2008)
written by (6 episodes, 2006-2008)
executive story editor (22 episodes, 2004-2005)
written by (7 episodes, 2005-2007)
story editor (24 episodes, 2008-2009)
written by (4 episodes, 2008-2009)
executive story editor (23 episodes, 2011-2012)
written by (2 episodes, 2012)
written by (14 episodes, 2004-2010)
story by (2 episodes, 2006)
excerpts written by (1 episode, 2009)
teleplay by (1 episode, 2006)
written by (14 episodes, 2006-2012)
executive story editor (13 episodes, 2011-2012)
written by (10 episodes, 2007-2012)
written by (9 episodes, 2004-2007)
written by (7 episodes, 2004-2006)
written by (7 episodes, 2006-2011)
written by (7 episodes, 2008-2011)
written by (6 episodes, 2008-2010)
written by (6 episodes, 2009-2012)
written by (5 episodes, 2006-2008)
written by (4 episodes, 2005-2006)
written by (4 episodes, 2007-2009)
written by (4 episodes, 2008-2011)
written by (4 episodes, 2010-2012)
written by (3 episodes, 2010-2011)
written by (2 episodes, 2006)
written by (2 episodes, 2007-2008)
written by (2 episodes, 2011-2012)
written by (1 episode, 2004)
written by (1 episode, 2005)
story by (1 episode, 2006)
written by (1 episode, 2006)
written by (1 episode, 2007)
written by (1 episode, 2009)
written by (1 episode, 2012)