Season 1 Comedy Central , 2003 - 2004 Season 2 Comedy Central , 2004 Season 3 Comedy Central , 2004 Season 4 Comedy Central , 2004 Season 5 Comedy Central , 2004 - 2005 Season 6 Comedy Central , 2005 Season 7 Comedy Central , 2005 - 2006 Season 8 Comedy Central , 2006