List of longest-running scripted U.S. primetime television series

This is a list of the longest-running scripted prime time television series in the United States, as measured by number of seasons. Only shows that have aired on a major broadcast network for seven or more seasons and at least 100 episodes are included. Those that moved to a cable network or syndication are noted below.

Series shaded in aqua are currently in production.
Number of
seasons		SeriesNetworkFirst air dateLast air dateNumber of episodes
31 The Simpsons FOX 1989-12-17 Present 684
21 Law & Order: Special Victims Unit NBC 1999-09-20 Present 478
20 Gunsmoke CBS 1955-09-10 1975-03-31 635
20 Law & Order NBC 1990-09-13 2010-05-24 456
19 Lassie CBS 1954-09-12 1971-03-21 591[1]
18 Family Guy FOX 1999-01-31 Present 349[2]
17 NCIS CBS 2003-09-23 Present 398
16 Grey's Anatomy ABC 2005-03-27 Present 363
17 American Dad! FOX (2005–2014)
TBS (2014–)[3]		 2005-02-06 Present 287
15 CSI: Crime Scene Investigation CBS 2000-10-06 2015-02-15 337[4]
15 ER NBC 1994-09-19 2009-04-02 331
15 Supernatural WB (2005–2006)
CW (2006–)		 2005-09-13 Present 320
15 Criminal Minds CBS 2005-09-22 2020-02-19 324
15 The Jack Benny Program CBS (1950–1964)
NBC (1964–1965)		 1950-10-28[5] 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
13 King of the Hill FOX 1997-01-12 2009-09-13 259[6]
12 My Three Sons ABC (1960–1965)
CBS (1965–1972)		 1960-09-29 1972-04-13 380 (184 in black-and-white, 196 in color)
12 Hawaii Five-O CBS 1968-09-26 1980-04-26 279
12 The Big Bang Theory CBS 2007-09-24 2019-05-16 279
12 Murder, She Wrote CBS 1984-09-30 1996-05-19 264 (+ 4 TV movies)
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 Kraft Television Theatre NBC 1947-05-07 1958-10-01 525
11 The Danny Thomas Show[7] 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 Murphy Brown CBS 1988-11-14 2018-12-20 260
11 Married... with Children FOX 1987-04-05 1997-06-09 259[8]
11 M*A*S*H CBS 1972-09-17 1983-02-28 256
11 Happy Days ABC 1974-01-15 1984-09-24 255
11 The Jeffersons CBS 1975-01-18 1985-06-25 253
11 Modern Family ABC 2009-09-23 2020-04-08 250
11 7th Heaven WB (1996–2006)
CW (2006–2007)		 1996-08-26 2007-05-13 243
11 The X-Files FOX 1993-09-10 2018-03-21 218[9]
11 NCIS: Los Angeles CBS 2009-09-22 Present 262
11 Will & Grace NBC 1998-09-21 2020-04-23 246[10]
10 Hawaii Five-0 CBS 2010-09-20 2020-04-03 240
10 Blue Bloods CBS 2010-09-24 Present 218
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 Friends NBC 1994-09-22 2004-05-06 236
10 CSI: Miami CBS 2002-09-23 2012-04-08 232
10 Roseanne ABC 1988-10-18 2018-05-22 231[11]
10 JAG NBC (1995–1996)
CBS (1997–2005)		 1995-09-01 2005-04-29 227[12]
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
10 Bob's Burgers FOX 2011-01-09 Present 194
09 The Beverly Hillbillies CBS 1962-09-26 1971-03-23 274 (106 in black-and-white, 168 in color)
09 Perry Mason CBS 1957-09-21 1966-05-22 271
09 The Virginian[13] NBC 1962-09-19 1971-03-24 249
09 The Love Boat ABC 1977-09-24[14] 1986-05-24 248
09 The F.B.I. ABC 1965-09-19 1974-04-28 241
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 The Waltons CBS 1972-09-14 1981-06-04 221
09 Dynasty ABC 1981-01-12 1989-05-11 220
09 Family Matters ABC (1989–1997)
CBS (1997–1998)		 1989-09-22 1998-07-17 215
09 The Middle ABC 2009-09-30 2018-05-22 215
09 Touched by an Angel CBS 1994-09-21 2003-04-27 211
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 The Facts of Life NBC 1979-08-24 1988-05-07 209
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 1979-04-08 205
09 Little House on the Prairie[15] NBC 1974-09-11 1983-03-21 204 (+ 4 specials)
09 24 FOX 2001-11-06 2014-07-14 204 + 24: Redemption[16]
09 Alice CBS 1976-08-31 1985-03-19
09 The Office NBC 2005-03-24 2013-05-16 201
09 Coach ABC 1989-02-28 1997-05-14 200
09 CSI: NY CBS 2004-09-22 2013-02-22 197
09 Night Court NBC 1984-01-04 1992-05-31 193
09 Matlock NBC (1986–1992)
ABC (1992–1995)		 1986-09-23 1995-05-07 193 + pilot movie
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 1989-07-05 1998-05-14 180
08 Arrow CW 2012-10-06 2020-01-28 170
08 Chicago Fire NBC 2012-10-10 Present 179
08[17] The Big Story NBC 1949-09-16 1957-06-28 349[17]
08 Schlitz Playhouse of Stars CBS 1951-10-05 1959-03-27 347
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[18] Mama CBS 1949-07-01 1956-07-27 261[18]
08 Bewitched ABC 1964-09-17 1972-03-25 254 (74 in black-and-white, also colorized; 180 in color)
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 1999-05-25 204
08 The Cosby Show NBC 1984-09-20 1992-04-30 201 (plus outtakes special)
08 That '70s Show FOX 1998-08-23 2006-05-18 200
08 Ironside NBC 1967-09-14[19] 1975-01-16 199[20]
08 Walker, Texas Ranger CBS 1993-04-21 2001-05-19 198
08 Who's the Boss? ABC 1984-09-20 1992-04-25 196
08 Mannix CBS 1967-09-16 1975-04-13 194
08 Full House ABC 1987-09-22 1995-05-23 192
08 Diff'rent Strokes NBC (1978–1985)
ABC (1985–1986)		 1978-11-03 1986-05-07 189
08 Newhart CBS 1982-10-25 1990-05-21 184
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 1983-05-10 178
08 Diagnosis: Murder CBS 1993-10-29 2001-05-11 178 + 5 TV movies + Pilot
08 Charmed WB 1998-10-07 2006-05-21 178
08 House M.D. 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 L.A. Law NBC 1986-10-03[21] 1994-05-19 172
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 The Vampire Diaries CW 2009-09-10 2017-03-10 171
08 Barney Miller ABC 1975-01-23 1982-05-20 170
08 The Practice ABC 1997-03-04 2004-05-16 168
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 1989-01-21 156
08 Perfect Strangers ABC 1986-03-25 1993-08-06 150
08 Quincy, M.E. NBC 1976-10-03 1983-09-04 148
07 Last Man Standing ABC (2011–2017)
FOX (2018–)		 2011-10-11 Present 173
07 The Goldbergs ABC 2013-09-24 Present 163
07 Mom CBS 2013-09-23 Present 152
07 The Blacklist NBC 2013-09-23 Present 152
07 Chicago P.D. NBC 2014-01-08 Present 148
07 Brooklyn Nine-Nine FOX (2013-2018)

NBC (2019-)

 2013-09-17 Present
07 Lux Video Theatre CBS (1950–1954)
NBC (1954–1957)		 1950-10-02 1957-09-12 336
07 Fireside Theatre NBC 1949-04-05 1958-05-22 268
07[22] Alfred Hitchcock Presents CBS (1955–1960)
NBC (1960–1962)		 1955-10-02 1962-06-26 268[22]
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 1992-05-21 180
07 Family Ties NBC 1982-09-22 1989-05-14 176 + one film
07 Adam-12 NBC 1968-09-21 1975-05-20 174
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[23] 1976-09-06 171
07 Empty Nest NBC 1988-10-08 1995-04-29 170
07 Marcus Welby, M.D. ABC 1969-09-23[24] 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 1999-05-24 176
07 Designing Women CBS 1986-09-29 1993-05-24 163
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 1998-06-26 160
07 Without a Trace CBS 2002-09-26 2009-05-19 160
07 Pretty Little Liars ABC 2010-06-08 2017-06-07 160
07 Benson ABC 1979-09-13 1986-04-19 158
07 Boy Meets World ABC 1993-09-24 2000-05-05 158
07 The West Wing NBC 1999-09-22 2006-05-14 156[note 1]
07 Cold Case CBS 2003-09-28 2010-05-02 156
07 The Good Wife CBS 2009-09-22 2016-05-08 156
07 Once Upon a Time ABC 2011-10-23 2018-05-18 155
07 Elementary CBS 2012-09-27 2019-08-15 154
07 Hunter NBC 1984-09-18 1991-04-26 153
07 Gilmore Girls WB (2000–2006)
CW (2006–2007)		 2000-10-05 2007-05-15 157
07 Fantasy Island ABC 1978-01-28 1984-05-19 152, plus 2 TV movies[25]
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 1985-02-08 147
07 Hill Street Blues NBC 1981-01-15 1987-05-12 146
07 New Girl FOX 2011-09-20 2018-05-15 146
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 + 4 TV movies
07 Futurama FOX (1999–2003)
Comedy Central (2008–2013)		 1999-03-28 2013-09-03 140
07 MacGyver ABC 1985-09-29 1992-05-21 139 + 2 TV films
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[26] 1988-05-16 125 (+ 4 TV movies)
07 Parks and Recreation NBC 2009-04-09 2015-02-24 126
07 Agents of S.H.I.E.L.D. ABC 2013-09-24 Present 128
07 Scandal ABC 2012-04-05 2018-04-19 124
07 Emergency! NBC 1972-01-15 1977-05-28 122 (+ 6 television films)
07 Homicide: Life on the Street NBC 1993-01-31 1999-05-21 122
07 Cheyenne ABC 1955-09-20[27] 1962-12-17 107
07 Rules of Engagement CBS 2007-02-05 2013-05-20 100

See also

Notes
  1. This includes the special episodes "Documentary Special" and "Isaac and Ishmael".

References
  1. Lassie ran for a total of 19 seasons and 591 episodes. The final two seasons aired in syndication.
  2. 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.
  3. American Dad! moved to TBS in 2014 for additional seasons.
  4. 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.
  5. The Jack Benny Program began with a pilot episode on May 8, 1949.
  6. Four more episodes of King of the Hill aired after its official final broadcast, bringing the total to 259.
  7. For its first three seasons, The Danny Thomas Show aired as Make Room for Daddy.
  8. Episode I'll See You in Court did not originally air on FOX.
  9. In 2016, The X-Files returned to television after 14 years for two more seasons.
  10. http://deadline.com/2017/01/will-grace-return-nbc-season-9-1201888523/
  11. Show later continued as The Conners for a further ten episodes.
  12. The episode "Skeleton Crew" did not originally air on NBC.
  13. In its final season, the title of The Virginian was changed to The Men from Shiloh.
  14. The Love Boat had two pilot movies that aired on September 18, 1976 and January 21, 1977.
  15. In its final season, the title of Little House on the Prairie was changed to Little House: A New Beginning.
  16. In 2014, 24 returned to television with another 12-episode series 24: Live Another Day.
  17. An additional season of The Big Story aired in syndication, bringing the series up to nine and the episode total to 349.
  18. An additional season of Mama aired on Sunday afternoons, bringing the episode total to 283.
  19. Ironside began with the pilot movie A Man Called Ironside on March 28, 1967.
  20. Ironside had three additional episodes after its official final broadcast.
  21. L.A. Law began with a two-hour pilot on September 15, 1986.
  22. 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".
  23. Medical Center began with the pilot movie U.M.C. on April 17, 1969.
  24. Marcus Welby, M.D. began with a pilot movie on March 26, 1969.
  25. Fantasy Island had two premiere movies that aired on January 14, 1977 and January 20, 1978.
  26. Cagney & Lacey began with a pilot movie on October 8, 1981.
  27. Cheyenne began as a rotating element of Warner Bros. Presents.
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