rank show start - end score 1 True blood 2008-present 8.5 2 NCIS 2003 - present 9.1 3 One Tree Hill 2003 - present 8.9 4 Weeds 2005 - present 8.9 5 Hannah Montana 2006 - present 8.4 6 Family Guy 1999 - present 9.0 7 House 2004 - present 9.2 8 Grey's Anatomy 2005 - present 8.9 9 Bones 2005 - present 9.1 10 Gossip Girl 2007 - present 8.7 11 Lost 2004 - present 9.1 12 Naruto 2002 - present 8.9 13 Heroes 2006 - present 9.1 14 Criminal Minds 2005 - present 9.0 15 Torchwood 2006 - present 8.8 16 Harper's Island 2009 - present 7.4 17 Smallville 2001 - present 8.9 18 Prison Break 2005 - 2009 9.1 19 Supernatural 2005 - present 9.2 20 Gilmore Girls 2000 - 2007 9.0 21 CBS Evening News 1962 - present 6.1 22 Warehouse 13 2009 - present 7.9 23 How I Met Your Mother 2005 - present 9.1 24 The Simpsons 1989 - present 9.2 25 Bleach 2004 - present 8.9 26 Desperate Housewives 2004 - present 8.8 27 South Park 1997 - present 9.1 28 Entourage 2004 - present 8.9 29 The Secret Life of the... 2008 - present 8.1 30 10 Things I Hate About You 2009 - present 9.0 31 Scrubs 2001 - 2009 9.2 32 Friends 1994 - 2004 9.2 33 CSI 2000 - present 9.1 34 Degrassi: The Next Generation 2001 - present 8.9 35 Avatar: The Last Airbender 2005 - 2008 9.1 36 Burn Notice 2007 - present 8.9 37 The Big Bang Theory 2007 - present 9.0 38 CSI: NY 2004 - present 8.8 39 So You Think You Can Dance 2005 - present 8.2 40 Two and a Half Men 2003 - present 9.0 41 CSI: Miami 2002 - present 8.7 42 iCarly 2007 - present 8.4 43 Malcolm in the Middle 2000 - 2006 8.9 44 The Office 2005 - present 9.1 45 Rescue Me 2004 - present 9.0 46 Dexter 2006 - present 9.2 47 Pokémon 1998 - present 8.2 48 SpongeBob SquarePants 1999 - present 8.6 49 Eureka 2006 - present 9.0 50 30 Rock 2006 - present 8.9 (ps：buydvdhere.com sells high quality and the cheapest TV series boxsets, classic and latest movie DVDs at low price online.)