created by (425 episodes, 1999-2024)
developed by (425 episodes, 1999-2024)
written by (3 episodes, 1999-2005)
written by (27 episodes, 2005-2024)
staff writer (22 episodes, 2005-2006)
story editor (10 episodes, 2006)
staff writer (38 episodes, 2009-2011)
written by (19 episodes, 2008-2024)
written by (29 episodes, 2000-2024)
staff writer (22 episodes, 1999-2003)
staff writer (39 episodes, 2009-2011)
written by (11 episodes, 2007-2017)
staff writer (42 episodes, 1999-2003)
written by (4 episodes, 2001-2007)
staff writer (18 episodes, 2005-2006)
written by (18 episodes, 2006-2020)
staff writer (44 episodes, 2012-2014)
written by (2 episodes, 2013-2014)
staff writer (22 episodes, 2012-2014)
written by (19 episodes, 2011-2023)
staff writer (37 episodes, 2010-2012)
written by (2 episodes, 2010-2012)
written by (16 episodes, 2005-2019)
staff writer (21 episodes, 2021-2023)
story editor (12 episodes, 2023-2024)
written by (5 episodes, 2018-2023)
written by (4 episodes, 2019-2024)
staff writer (22 episodes, 2011-2012)
written by (14 episodes, 2011-2022)
staff writer (18 episodes, 2020-2021)
story editor (14 episodes, 2021-2022)
written by (3 episodes, 2016-2021)
written by (9 episodes, 2011-2019)
written by (8 episodes, 2005-2018)
written by (6 episodes, 2011-2017)
written by (6 episodes, 2013-2019)
written by (9 episodes, 2005-2021)
written by (24 episodes, 2001-2024)
staff writer (21 episodes, 2012-2014)
written by (3 episodes, 2011-2014)
staff writer (20 episodes, 2012-2014)
staff writer (14 episodes, 1999-2000)
written by (6 episodes, 2001-2008)
story editor (1 episode, 2000)
staff writer (21 episodes, 2010-2011)
written by (20 episodes, 1999-2023)
written by (20 episodes, 1999-2020)
staff writer (20 episodes, 2011-2012)
written by (1 episode, 2012)
staff writer (17 episodes, 2010-2011)
written by (8 episodes, 2016-2023)
staff writer (7 episodes, 2015)
executive story editor (2 episodes, 2017)
staff writer (16 episodes, 2014-2015)
staff writer (13 episodes, 2001-2002)
written by (3 episodes, 2001-2005)
story by (1 episode, 2000)
staff writer (15 episodes, 2000-2001)
written by (1 episode, 2000)
written by (14 episodes, 1999-2020)
written by (2 episodes, 2001)
written by (14 episodes, 2005-2019)
written by (14 episodes, 2005-2014)
written by (14 episodes, 2014-2023)
written by (1 episode, 2001)
staff writer (12 episodes, 1999-2000)
staff writer (7 episodes, 1999-2003)
written by (2 episodes, 2001-2002)
staff writer (8 episodes, 2018)
written by (1 episode, 2018)
written by (7 episodes, 1999-2002)
teleplay by (1 episode, 2000)
written by (8 episodes, 2014-2021)
staff writer (5 episodes, 1999-2003)
written by (7 episodes, 2006-2018)
written by (5 episodes, 1999-2003)
executive story editor (1 episode, 2000)
written by (6 episodes, 2008-2013)
written by (6 episodes, 2015-2024)
written by (4 episodes, 1999-2000)
story editor (2 episodes, 2000)
written by (5 episodes, 2012-2023)
written by (5 episodes, 2015-2018)
executive story editor (4 episodes, 2021)
written by (1 episode, 2023)
written by (4 episodes, 2020-2023)
written by (3 episodes, 2000)
written by (3 episodes, 2022-2023)
written by (2 episodes, 2002-2013)
written by (2 episodes, 2002-2005)
written by (2 episodes, 2005-2009)
written by (2 episodes, 2013-2018)
written by (2 episodes, 2013-2015)
written by (2 episodes, 2015-2016)
written by (2 episodes, 2016-2017)
written by (1 episode, 2002)
written by (1 episode, 2005)
written by (1 episode, 2006)
written by (1 episode, 2009)
based on a short story by (1 episode, 2010)
written by (1 episode, 2011)
written by (1 episode, 2014)
written by (1 episode, 2015)
novel (uncredited) (1 episode, 2010)
