List of longest - running scripted U.S. primetime television series - wikipedia List of longest - running scripted U.S. primetime television series This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( January 2017 ) This is a list of the longest - running scripted prime time television series in the United States. Only shows that have aired on a major broadcast network for seven or more seasons are included. Those that moved to a cable network or syndication are noted below. Series shaded in blue are currently in production. Number of seasons Series Network First air date Last air date Number of episodes 29 The Simpsons FOX 1989 - 12 - 17 Present 619 20 Gunsmoke CBS 1955 - 09 - 10 1975 - 03 - 31 635 20 Law & Order NBC 1990 - 09 - 13 2010 - 05 - 24 456 19 Law & Order : Special Victims Unit NBC 1999 - 09 - 20 Present 415 17 Lassie CBS 1954 - 09 - 12 1971 - 03 - 21 547 16 Family Guy FOX 1999 - 01 - 31 Present 293 15 NCIS CBS 2003 - 09 - 23 Present 335 15 CSI : Crime Scene Investigation CBS 2000 - 10 - 06 2015 - 02 - 15 335 15 ER NBC 1994 - 09 - 19 2009 - 04 - 02 331 15 The Jack Benny Program CBS ( 1950 -- 1964 ) NBC ( 1964 -- 1965 ) 1950 - 10 - 28 1965 - 04 - 16 260 14 The Adventures of Ozzie and Harriet ABC 1952 - 10 - 03 1966 - 04 - 23 435 14 Bonanza NBC 1959 - 09 - 12 1973 - 01 - 16 431 14 Armstrong Circle Theatre NBC ( 1950 -- 1957 ) CBS ( 1957 -- 1963 ) 1950 - 06 - 06 1963 - 06 - 05 370 14 Dallas CBS 1978 - 04 - 02 1991 - 05 - 03 357 14 Knots Landing CBS 1979 - 12 - 27 1993 - 05 - 13 344 14 Grey 's Anatomy ABC 2005 - 03 - 27 Present 293 14 American Dad ! FOX ( 2005 -- 2014 ) TBS ( 2014 -- ) 2005 - 02 - 06 Present 234 13 Criminal Minds CBS 2005 - 09 - 22 Present 282 13 King of the Hill FOX 1997 - 01 - 12 2009 - 09 - 13 259 13 Supernatural WB ( 2005 -- 2006 ) CW ( 2006 -- ) 2005 - 09 - 13 Present 264 12 My Three Sons ABC ( 1960 -- 1965 ) CBS ( 1965 -- 1972 ) 1960 - 09 - 29 1972 - 04 - 13 380 12 Hawaii Five - O CBS 1968 - 09 - 26 1980 - 04 - 26 279 12 Murder, She Wrote CBS 1984 - 09 - 01 1996 - 05 - 07 264 12 Two and a Half Men CBS 2003 - 09 - 22 2015 - 02 - 19 262 12 NYPD Blue ABC 1993 - 09 - 21 2005 - 03 - 01 261 12 Bones FOX 2005 - 09 - 13 2017 - 03 - 28 246 11 The Big Bang Theory CBS 2007 - 09 - 24 Present 231 11 Kraft Television Theatre NBC 1947 - 05 - 07 1958 - 10 - 01 525 11 The Danny Thomas Show ABC ( 1953 -- 1957 ) CBS ( 1957 -- 1964 ) 1953 - 09 - 29 1964 - 04 - 27 343 11 Cheers NBC 1982 - 09 - 30 1993 - 05 - 20 275 11 Frasier NBC 1993 - 09 - 16 2004 - 05 - 13 264 11 Married... with Children FOX 1987 - 04 - 05 1997 - 06 - 09 258 11 M * A * S * H CBS 1972 - 09 - 17 1983 - 02 - 28 256 11 The Jeffersons CBS 1975 - 01 - 18 1985 - 06 - 25 253 11 7th Heaven WB ( 1996 -- 2006 ) CW ( 2006 -- 2007 ) 1996 - 08 - 26 2007 - 05 - 13 243 11 Happy Days ABC 1974 - 01 - 15 1984 - 09 - 24 255 10 General Electric Theater NBC 1953 - 02 - 01 1962 - 06 - 03 302 10 Beverly Hills, 90210 FOX 1990 - 10 - 04 2000 - 05 - 17 293 10 The United States Steel Hour ABC ( 1953 -- 1955 ) CBS ( 1955 -- 1963 ) 1953 - 10 - 27 1963 - 06 - 12 253 10 Murphy Brown CBS 1988 - 11 - 14 1998 - 05 - 18 247 10 Friends NBC 1994 - 09 - 22 2004 - 05 - 06 236 10 CSI : Miami CBS 2002 - 09 - 23 2012 - 04 - 08 232 10 JAG NBC ( 1995 -- 1996 ) CBS ( 1997 -- 2005 ) 1995 - 09 - 01 2005 - 04 - 29 226 10 The X-Files FOX 1993 - 09 - 10 Present 208 10 Stargate SG - 1 Showtime and SyFy 2007 214 10 Smallville WB ( 2001 -- 2006 ) CW ( 2006 -- 2011 ) 2001 - 10 - 16 2011 - 05 - 13 218 10 Law & Order : Criminal Intent NBC ( 2001 -- 2007 ) USA ( 2007 -- 2011 ) 2001 - 09 - 30 2011 - 06 - 26 195 09 NCIS : Los Angeles CBS 2009 - 09 - 22 Present 192 09 The Middle ABC 2009 - 09 - 30 Present 191 09 Modern Family ABC 2009 - 09 - 23 Present 188 09 The Beverly Hillbillies CBS 1962 - 09 - 26 1971 - 03 - 23 274 09 Perry Mason CBS 1957 - 09 - 21 1966 - 05 - 22 271 09 The Virginian NBC 1962 - 09 - 19 1971 - 03 - 24 249 09 The Love Boat ABC 1977 - 09 - 24 1986 - 05 - 24 244 09 The F.B.I. ABC 1965 - 09 - 19 1974 - 04 - 28 240 09 The Drew Carey Show ABC 1995 - 09 - 13 2004 - 09 - 08 233 09 Falcon Crest CBS 1981 - 12 - 04 1990 - 05 - 17 227 09 Roseanne ABC 1988 - 10 - 18 1997 - 05 - 20 222 09 Dynasty ABC 1981 - 01 - 12 1989 - 05 - 11 220 09 Family Matters ABC ( 1989 -- 1997 ) CBS ( 1997 -- 1998 ) 1989 - 09 - 22 1998 - 07 - 17 220 09 Touched by an Angel CBS 1994 - 09 - 21 2003 - 04 - 27 211 09 The Waltons CBS 1972 - 09 - 14 1981 - 06 - 04 210 09 Everybody Loves Raymond CBS 1996 - 09 - 13 2005 - 05 - 16 210 09 One Day at a Time CBS 1975 - 12 - 16 1984 - 05 - 28 209 09 How I Met Your Mother CBS 2005 - 09 - 19 2014 - 03 - 31 208 09 The King of Queens CBS 1998 - 09 - 21 2007 - 05 - 14 207 09 All in the Family CBS 1971 - 01 - 12 1981 - 05 - 21 216 09 Little House on the Prairie NBC 1974 - 09 - 11 1983 - 03 - 21 204 09 Alice CBS 1976 - 08 - 31 1985 - 03 - 19 202 09 The Facts of Life NBC 1979 - 08 - 24 1988 - 05 - 07 201 09 The Office NBC 2005 - 03 - 24 2013 - 05 - 16 201 09 Coach ABC 1989 - 02 - 28 1997 - 05 - 14 197 09 CSI : NY CBS 2004 - 09 - 22 2013 - 02 - 22 197 09 Matlock NBC ( 1986 -- 1992 ) ABC ( 1992 -- 1995 ) 1986 - 09 - 23 1995 - 05 - 07 195 09 Night Court NBC 1984 - 01 - 04 1992 - 05 - 31 222 09 One Tree Hill WB ( 2003 -- 2006 ) CW ( 2006 -- 2012 ) 2003 - 09 - 23 2012 - 04 - 04 187 09 Scrubs NBC ( 2001 -- 2008 ) ABC ( 2009 -- 2010 ) 2001 - 10 - 02 2010 - 03 - 17 182 09 Seinfeld NBC 1988 - 09 - 05 1998 - 05 - 14 219 09 Will & Grace NBC 1998 - 09 - 21 Present 206 08 Bob 's Burgers FOX 2011 - 01 - 09 Present 129 08 Blue Bloods CBS 2010 - 09 - 24 Present 155 08 Hawaii Five - 0 CBS 2010 - 09 - 20 Present 168 08 The Vampire Diaries CW 2009 - 09 - 10 2017 - 03 - 10 171 08 Schlitz Playhouse of Stars CBS 1951 - 10 - 05 1959 - 03 - 27 347 08 The Big Story NBC 1949 - 09 - 16 1957 - 06 - 28 310 08 The George Burns and Gracie Allen Show CBS 1950 - 10 - 12 1958 - 09 - 15 291 08 Wagon Train NBC ( 1957 -- 1962 ) ABC ( 1962 -- 1965 ) 1957 - 09 - 18 1965 - 05 - 02 284 08 Robert Montgomery Presents NBC 1950 - 01 - 30 1957 - 06 - 24 276 08 Dragnet NBC 1951 - 12 - 16 1959 - 08 - 23 276 08 The Donna Reed Show ABC 1958 - 09 - 24 1966 - 03 - 19 275 08 Mama CBS 1949 - 07 - 01 1956 - 07 - 27 261 08 Bewitched ABC 1964 - 09 - 17 1972 - 03 - 25 254 08 The Andy Griffith Show CBS 1960 - 10 - 03 1968 - 04 - 01 249 08 Ford Theatre CBS ( 1948 -- 1951 ) NBC ( 1952 -- 1956 ) ABC ( 1956 -- 1957 ) 1948 - 10 - 17 1957 - 06 - 26 245 08 Rawhide CBS 1959 - 01 - 09 1965 - 12 - 07 217 08 Home Improvement ABC 1991 - 09 - 17 1999 - 05 - 25 224 08 The Cosby Show NBC 1984 - 09 - 20 1992 - 04 - 30 225 08 Walker, Texas Ranger CBS 1993 - 04 - 21 2001 - 05 - 19 201 08 That ' 70s Show FOX 1998 - 08 - 23 2006 - 05 - 18 200 08 Ironside NBC 1967 - 09 - 14 1975 - 01 - 16 196 08 Who 's the Boss ? ABC 1984 - 09 - 20 1992 - 04 - 25 225 08 Mannix CBS 1967 - 09 - 16 1975 - 04 - 13 194 08 Full House ABC 1987 - 09 - 22 1995 - 05 - 23 214 08 24 FOX 2001 - 11 - 06 2010 - 05 - 24 192 08 Diff'rent Strokes NBC ( 1978 -- 1985 ) ABC ( 1985 -- 1986 ) 1978 - 11 - 03 1986 - 05 - 07 222 08 According to Jim ABC 2001 - 10 - 03 2009 - 06 - 02 182 08 Desperate Housewives ABC 2004 - 10 - 03 2012 - 05 - 13 180 08 Barnaby Jones CBS 1973 - 01 - 28 1980 - 04 - 03 178 08 Laverne & Shirley ABC 1976 - 01 - 27 1983 - 05 - 10 216 08 Diagnosis : Murder CBS 1993 - 10 - 29 2001 - 05 - 11 178 08 The Practice ABC 1997 - 03 - 04 2004 - 05 - 16 178 08 Charmed WB 1998 - 10 - 07 2006 - 05 - 21 178 08 House FOX 2004 - 11 - 16 2012 - 05 - 21 177 08 Castle ABC 2009 - 03 - 09 2016 - 05 - 16 173 08 Three 's Company ABC 1977 - 03 - 15 1984 - 09 - 18 172 08 Wings NBC 1990 - 04 - 19 1997 - 05 - 21 172 08 Girlfriends UPN ( 2000 -- 2006 ) CW ( 2006 -- 2008 ) 2000 - 09 - 11 2008 - 02 - 11 172 08 L.A. Law NBC 1986 - 10 - 03 1994 - 05 - 19 171 08 Barney Miller ABC 1975 - 01 - 23 1982 - 05 - 20 168 08 The Loretta Young Show NBC 1953 - 09 - 02 1961 - 06 - 04 165 08 Magnum, P.I. CBS 1980 - 12 - 11 1988 - 05 - 08 162 08 Simon & Simon CBS 1981 - 11 - 24 1989 - 01 - 21 219 08 Perfect Strangers ABC 1986 - 03 - 25 1993 - 08 - 06 150 08 Quincy, M.E. NBC 1976 - 10 - 03 1983 - 09 - 04 148 08 Dexter Showtime CBS 2006 - 10 - 01 2013 - 09 - 22 96 07 Lux Video Theatre CBS ( 1950 -- 1954 ) NBC ( 1954 -- 1957 ) 1950 - 10 - 02 1957 - 09 - 12 336 07 Captain Video and His Video Rangers DuMont 1949 - 06 - 27 1955 - 04 - 01 273 07 Fireside Theater NBC 1949 - 04 - 05 1958 - 05 - 22 268 07 Alfred Hitchcock Presents CBS ( 1955 -- 1960 ) NBC ( 1960 -- 1962 ) 1955 - 10 - 02 1962 - 06 - 26 267 07 The Philco Television Playhouse NBC 1948 - 10 - 03 1955 - 10 - 02 251 07 Melrose Place FOX 1992 - 07 - 08 1999 - 05 - 24 226 07 Petticoat Junction CBS 1963 - 09 - 24 1970 - 04 - 04 222 07 The Golden Girls NBC 1985 - 09 - 14 1992 - 05 - 21 225 07 Family Ties NBC 1982 - 09 - 22 1989 - 05 - 14 176 07 Adam - 12 NBC 1968 - 09 - 21 1975 - 05 - 20 174 07 Star Trek : The Next Generation CBS ( Paramount ) 1987 - 01 - 01 1994 - 12 - 31 176 07 Star Trek : Deep Space Nine UPN 1993 - 01 - 03 1999 - 06 - 02 176 07 Star Trek : Voyager UPN 1995 - 01 - 16 2001 - 05 - 23 172 07 Mission : Impossible CBS 1966 - 09 - 17 1973 - 03 - 30 171 07 Medical Center CBS 1969 - 09 - 24 1976 - 09 - 06 171 07 Empty Nest NBC 1988 - 10 - 08 1995 - 04 - 29 170 07 Marcus Welby, M.D. ABC 1969 - 09 - 23 1976 - 05 - 04 169 07 The Mary Tyler Moore Show CBS 1970 - 09 - 19 1977 - 03 - 19 168 07 Growing Pains ABC 1985 - 09 - 24 1992 - 04 - 25 166 07 Mad About You NBC 1992 - 09 - 23 1999 - 05 - 24 164 07 Designing Women CBS 1986 - 09 - 29 1993 - 05 - 24 163 07 Once Upon a Time ABC 2011 - 10 - 23 Present 133 07 Sabrina, the Teenage Witch ABC ( 1996 -- 2000 ) WB ( 2000 -- 2003 ) 1996 - 09 - 27 2003 - 04 - 24 163 07 Step by Step ABC ( 1991 -- 1997 ) CBS ( 1997 -- 1998 ) 1991 - 09 - 20 1998 - 06 - 26 215 07 Without a Trace CBS 2002 - 09 - 26 2009 - 05 - 19 160 07 Benson ABC 1979 - 09 - 13 1986 - 04 - 19 158 07 Boy Meets World ABC 1993 - 09 - 24 2000 - 05 - 05 180 07 The West Wing NBC 1999 - 09 - 22 2006 - 05 - 14 156 07 Cold Case CBS 2003 - 09 - 28 2010 - 05 - 02 156 07 The Good Wife CBS 2009 - 09 - 22 2016 - 05 - 08 156 07 Hunter NBC 1984 - 09 - 18 1991 - 04 - 26 153 07 Gilmore Girls WB ( 2000 -- 2006 ) CW ( 2006 -- 2007 ) 2000 - 10 - 05 2007 - 05 - 15 153 07 Fantasy Island ABC 1978 - 01 - 28 1984 - 05 - 19 152 07 Trapper John, M.D. CBS 1979 - 09 - 23 1986 - 09 - 04 151 07 Malcolm in the Middle FOX 2000 - 01 - 09 2006 - 05 - 14 151 07 The Mentalist CBS 2008 - 09 - 23 2015 - 02 - 18 151 07 Just Shoot Me ! NBC 1997 - 03 - 04 2003 - 08 - 16 148 07 The Dukes of Hazzard CBS 1979 - 01 - 26 1985 - 02 - 08 146 07 Hill Street Blues NBC 1981 - 01 - 15 1987 - 05 - 12 146 07 Buffy the Vampire Slayer WB ( 1997 -- 2001 ) UPN ( 2001 -- 2003 ) 1997 - 03 - 10 2003 - 05 - 20 144 07 In the Heat of the Night NBC ( 1988 -- 1992 ) CBS ( 1992 -- 1994 ) 1988 - 03 - 06 1994 - 05 - 11 142 07 Futurama FOX ( 1999 -- 2003 ) Comedy Central ( 2008 -- 2013 ) 1999 - 03 - 28 2013 - 09 - 04 140 07 MacGyver ABC 1985 - 09 - 29 1992 - 05 - 21 139 07 30 Rock NBC 2006 - 10 - 11 2013 - 01 - 31 138 07 Medium NBC ( 2005 -- 2009 ) CBS ( 2009 -- 2011 ) 2005 - 01 - 03 2011 - 01 - 21 130 07 Cagney & Lacey CBS 1982 - 03 - 25 1988 - 05 - 16 125 07 Parks and Recreation NBC 2009 - 04 - 09 2015 - 02 - 24 125 07 Homicide : Life on the Street NBC 1993 - 01 - 31 1999 - 05 - 21 122 07 Cheyenne ABC 1955 - 09 - 20 1962 - 12 - 17 108 07 Rules of Engagement CBS 2007 - 02 - 05 2013 - 05 - 20 100 07 The Walking Dead AMC 2010 - 10 - 31 Present 99 See also Lists of longest - running U.S. shows by broadcast type : List of longest - running United States television series List of longest - running U.S. broadcast network television series List of longest - running U.S. cable television series List of longest - running U.S. first - run syndicated television series List of longest - running U.S. primetime television series List of longest - running U.S. primetime television series with continuing characters References Jump up ^ Lassie ran for a total of 19 seasons and 591 episodes. The final two seasons aired in syndication. Jump up ^ Family Guy has two episodes that did not originally air on FOX. `` When You Wish Upon a Weinstein '' originally aired on Adult Swim and `` Partial Terms of Endearment '' originally aired in the UK. ^ Jump up to : CSI : Crime Scene Investigation officially ended its run with Immortality on September 27, 2015. The TV movie is considered the two - episode 16th season, bringing the episode total to 337. Jump up ^ The Jack Benny Program began with a pilot episode on May 8, 1949. Jump up ^ American Dad ! moved to TBS in 2014 for additional seasons. Jump up ^ Four more episodes of King of the Hill aired after its official final broadcast, bringing the total to 259. Jump up ^ For its first three seasons, The Danny Thomas Show aired as Make Room for Daddy. ^ Jump up to : Married... with Children has one episode that did not originally air on FOX -- `` I 'll See You in Court '' -- bringing the total to 259. Jump up ^ JAG has one episode that did not originally air on NBC -- `` Skeleton Crew '' -- bringing the total to 227. Jump up ^ In 2016, The X-Files returned to television as a six - episode event series, bringing the season total to ten and the episode total to 208. Jump up ^ In its final season, the title of The Virginian was changed to The Men from Shiloh. Jump up ^ The Love Boat had two pilot movies that aired on September 18, 1976 and January 21, 1977. Jump up ^ In its final season, the title of Little House on the Prairie was changed to Little House : A New Beginning. ^ Jump up to : http://deadline.com/2017/01/will-grace-return-nbc-season-9-1201888523/ ^ Jump up to : An additional season of The Big Story aired in syndication, bringing the series up to nine and the episode total to 349. ^ Jump up to : An additional season of Mama aired on Sunday afternoons, bringing the episode total to 283. Jump up ^ Ironside began with the pilot movie A Man Called Ironside on March 28, 1967. ^ Jump up to : Ironside had three additional episodes after its official final broadcast, bringing the total to 199. ^ Jump up to : In 2014, 24 returned to television with the 12 - episode event series 24 : Live Another Day, bringing the season total to nine and the episode total to 204. Jump up ^ L.A. Law began with a two - hour pilot on September 15, 1986. ^ Jump up to : Alfred Hitchcock Presents was expanded to an hour in 1962 and ran for three additional seasons as The Alfred Hitchcock Hour. It also had an episode that never aired -- `` The Sorcerer 's Apprentice '' -- bringing the total to 268. Jump up ^ Medical Center began with the pilot movie U.M.C. on April 17, 1969. Jump up ^ Marcus Welby, M.D. began with a pilot movie on March 26, 1969. Jump up ^ Fantasy Island had two premiere movies that aired on January 14, 1977 and January 20, 1978. Jump up ^ Cagney & Lacey began with a pilot movie on October 8, 1981. Jump up ^ Cheyenne began as a rotating element of Warner Bros. Presents. Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_longest-running_scripted_U.S._primetime_television_series&oldid=807322809 '' Categories : Lists of American television series Lists of longest - running U.S. TV shows Hidden categories : Articles needing additional references from January 2017 All articles needing additional references Talk About Wikipedia Add links This page was last edited on 27 October 2017, at 07 : 19. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: what is the longest-running scripted primetime tv series in the us
Answer: The Simpsons