<Table> <Tr> <Td> Series shaded in blue are currently in production . </Td> </Tr> </Table> <Tr> <Td> Series shaded in blue are currently in production . </Td> </Tr> <Table> <Tr> <Th> Number of seasons </Th> <Th> Series </Th> <Th> Network </Th> <Th> First air date </Th> <Th> Last air date </Th> <Th> Number of episodes </Th> </Tr> <Tr> <Td> 29 </Td> <Td> The Simpsons </Td> <Td> FOX </Td> <Td> 1989 - 12 - 17 </Td> <Td> Present </Td> <Td> 619 </Td> </Tr> <Tr> <Td> 20 </Td> <Td> Gunsmoke </Td> <Td> CBS </Td> <Td> 1955 - 09 - 10 </Td> <Td> 1975 - 03 - 31 </Td> <Td> 635 </Td> </Tr> <Tr> <Td> 20 </Td> <Td> Law & Order </Td> <Td> NBC </Td> <Td> 1990 - 09 - 13 </Td> <Td> 2010 - 05 - 24 </Td> <Td> 456 </Td> </Tr> <Tr> <Td> 19 </Td> <Td> Law & Order: Special Victims Unit </Td> <Td> NBC </Td> <Td> 1999 - 09 - 20 </Td> <Td> Present </Td> <Td> 415 </Td> </Tr> <Tr> <Td> 17 </Td> <Td> Lassie </Td> <Td> CBS </Td> <Td> 1954 - 09 - 12 </Td> <Td> 1971 - 03 - 21 </Td> <Td> 547 </Td> </Tr> <Tr> <Td> 16 </Td> <Td> Family Guy </Td> <Td> FOX </Td> <Td> 1999 - 01 - 31 </Td> <Td> Present </Td> <Td> 293 </Td> </Tr> <Tr> <Td> 15 </Td> <Td> NCIS </Td> <Td> CBS </Td> <Td> 2003 - 09 - 23 </Td> <Td> Present </Td> <Td> 335 </Td> </Tr> <Tr> <Td> 15 </Td> <Td> CSI: Crime Scene Investigation </Td> <Td> CBS </Td> <Td> 2000 - 10 - 06 </Td> <Td> 2015 - 02 - 15 </Td> <Td> 335 </Td> </Tr> <Tr> <Td> 15 </Td> <Td> ER </Td> <Td> NBC </Td> <Td> 1994 - 09 - 19 </Td> <Td> 2009 - 04 - 02 </Td> <Td> 331 </Td> </Tr> <Tr> <Td> 15 </Td> <Td> The Jack Benny Program </Td> <Td> CBS (1950--1964) NBC (1964--1965) </Td> <Td> 1950 - 10 - 28 </Td> <Td> 1965 - 04 - 16 </Td> <Td> 260 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> The Adventures of Ozzie and Harriet </Td> <Td> ABC </Td> <Td> 1952 - 10 - 03 </Td> <Td> 1966 - 04 - 23 </Td> <Td> 435 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Bonanza </Td> <Td> NBC </Td> <Td> 1959 - 09 - 12 </Td> <Td> 1973 - 01 - 16 </Td> <Td> 431 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Armstrong Circle Theatre </Td> <Td> NBC (1950--1957) CBS (1957--1963) </Td> <Td> 1950 - 06 - 06 </Td> <Td> 1963 - 06 - 05 </Td> <Td> 370 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Dallas </Td> <Td> CBS </Td> <Td> 1978 - 04 - 02 </Td> <Td> 1991 - 05 - 03 </Td> <Td> 357 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Knots Landing </Td> <Td> CBS </Td> <Td> 1979 - 12 - 27 </Td> <Td> 1993 - 05 - 13 </Td> <Td> 344 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Grey's Anatomy </Td> <Td> ABC </Td> <Td> 2005 - 03 - 27 </Td> <Td> Present </Td> <Td> 293 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> American Dad! </Td> <Td> FOX (2005--2014) TBS (2014--) </Td> <Td> 2005 - 02 - 06 </Td> <Td> Present </Td> <Td> 234 </Td> </Tr> <Tr> <Td> 13 </Td> <Td> Criminal Minds </Td> <Td> CBS </Td> <Td> 2005 - 09 - 22 </Td> <Td> Present </Td> <Td> 282 </Td> </Tr> <Tr> <Td> 13 </Td> <Td> King of the Hill </Td> <Td> FOX </Td> <Td> 1997 - 01 - 12 </Td> <Td> 2009 - 09 - 13 </Td> <Td> 259 </Td> </Tr> <Tr> <Td> 13 </Td> <Td> Supernatural </Td> <Td> WB (2005--2006) CW (2006--) </Td> <Td> 2005 - 09 - 13 </Td> <Td> Present </Td> <Td> 264 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> My Three Sons </Td> <Td> ABC (1960--1965) CBS (1965--1972) </Td> <Td> 1960 - 09 - 29 </Td> <Td> 1972 - 04 - 13 </Td> <Td> 380 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Hawaii Five - O </Td> <Td> CBS </Td> <Td> 1968 - 09 - 26 </Td> <Td> 1980 - 04 - 26 </Td> <Td> 279 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Murder, She Wrote </Td> <Td> CBS </Td> <Td> 1984 - 09 - 01 </Td> <Td> 1996 - 05 - 07 </Td> <Td> 264 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Two and a Half Men </Td> <Td> CBS </Td> <Td> 2003 - 09 - 22 </Td> <Td> 2015 - 02 - 19 </Td> <Td> 262 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> NYPD Blue </Td> <Td> ABC </Td> <Td> 1993 - 09 - 21 </Td> <Td> 2005 - 03 - 01 </Td> <Td> 261 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Bones </Td> <Td> FOX </Td> <Td> 2005 - 09 - 13 </Td> <Td> 2017 - 03 - 28 </Td> <Td> 246 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> The Big Bang Theory </Td> <Td> CBS </Td> <Td> 2007 - 09 - 24 </Td> <Td> Present </Td> <Td> 231 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Kraft Television Theatre </Td> <Td> NBC </Td> <Td> 1947 - 05 - 07 </Td> <Td> 1958 - 10 - 01 </Td> <Td> 525 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> The Danny Thomas Show </Td> <Td> ABC (1953--1957) CBS (1957--1964) </Td> <Td> 1953 - 09 - 29 </Td> <Td> 1964 - 04 - 27 </Td> <Td> 343 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Cheers </Td> <Td> NBC </Td> <Td> 1982 - 09 - 30 </Td> <Td> 1993 - 05 - 20 </Td> <Td> 275 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Frasier </Td> <Td> NBC </Td> <Td> 1993 - 09 - 16 </Td> <Td> 2004 - 05 - 13 </Td> <Td> 264 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Married...with Children </Td> <Td> FOX </Td> <Td> 1987 - 04 - 05 </Td> <Td> 1997 - 06 - 09 </Td> <Td> 258 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> M * A * S * H </Td> <Td> CBS </Td> <Td> 1972 - 09 - 17 </Td> <Td> 1983 - 02 - 28 </Td> <Td> 256 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> The Jeffersons </Td> <Td> CBS </Td> <Td> 1975 - 01 - 18 </Td> <Td> 1985 - 06 - 25 </Td> <Td> 253 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> 7th Heaven </Td> <Td> WB (1996--2006) CW (2006--2007) </Td> <Td> 1996 - 08 - 26 </Td> <Td> 2007 - 05 - 13 </Td> <Td> 243 </Td> </Tr> <Tr> <Td> 11 </Td> <Td> Happy Days </Td> <Td> ABC </Td> <Td> 1974 - 01 - 15 </Td> <Td> 1984 - 09 - 24 </Td> <Td> 255 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> General Electric Theater </Td> <Td> NBC </Td> <Td> 1953 - 02 - 01 </Td> <Td> 1962 - 06 - 03 </Td> <Td> 302 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Beverly Hills, 90210 </Td> <Td> FOX </Td> <Td> 1990 - 10 - 04 </Td> <Td> 2000 - 05 - 17 </Td> <Td> 293 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> The United States Steel Hour </Td> <Td> ABC (1953--1955) CBS (1955--1963) </Td> <Td> 1953 - 10 - 27 </Td> <Td> 1963 - 06 - 12 </Td> <Td> 253 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Murphy Brown </Td> <Td> CBS </Td> <Td> 1988 - 11 - 14 </Td> <Td> 1998 - 05 - 18 </Td> <Td> 247 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Friends </Td> <Td> NBC </Td> <Td> 1994 - 09 - 22 </Td> <Td> 2004 - 05 - 06 </Td> <Td> 236 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> CSI: Miami </Td> <Td> CBS </Td> <Td> 2002 - 09 - 23 </Td> <Td> 2012 - 04 - 08 </Td> <Td> 232 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> JAG </Td> <Td> NBC (1995--1996) CBS (1997--2005) </Td> <Td> 1995 - 09 - 01 </Td> <Td> 2005 - 04 - 29 </Td> <Td> 226 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> The X-Files </Td> <Td> FOX </Td> <Td> 1993 - 09 - 10 </Td> <Td> Present </Td> <Td> 208 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Stargate SG - 1 </Td> <Td> Showtime and SyFy </Td> <Td> </Td> <Td> 2007 </Td> <Td> 214 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Smallville </Td> <Td> WB (2001--2006) CW (2006--2011) </Td> <Td> 2001 - 10 - 16 </Td> <Td> 2011 - 05 - 13 </Td> <Td> 218 </Td> </Tr> <Tr> <Td> 10 </Td> <Td> Law & Order: Criminal Intent </Td> <Td> NBC (2001--2007) USA (2007--2011) </Td> <Td> 2001 - 09 - 30 </Td> <Td> 2011 - 06 - 26 </Td> <Td> 195 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> NCIS: Los Angeles </Td> <Td> CBS </Td> <Td> 2009 - 09 - 22 </Td> <Td> Present </Td> <Td> 192 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Middle </Td> <Td> ABC </Td> <Td> 2009 - 09 - 30 </Td> <Td> Present </Td> <Td> 191 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Modern Family </Td> <Td> ABC </Td> <Td> 2009 - 09 - 23 </Td> <Td> Present </Td> <Td> 188 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Beverly Hillbillies </Td> <Td> CBS </Td> <Td> 1962 - 09 - 26 </Td> <Td> 1971 - 03 - 23 </Td> <Td> 274 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Perry Mason </Td> <Td> CBS </Td> <Td> 1957 - 09 - 21 </Td> <Td> 1966 - 05 - 22 </Td> <Td> 271 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Virginian </Td> <Td> NBC </Td> <Td> 1962 - 09 - 19 </Td> <Td> 1971 - 03 - 24 </Td> <Td> 249 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Love Boat </Td> <Td> ABC </Td> <Td> 1977 - 09 - 24 </Td> <Td> 1986 - 05 - 24 </Td> <Td> 244 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The F.B.I. </Td> <Td> ABC </Td> <Td> 1965 - 09 - 19 </Td> <Td> 1974 - 04 - 28 </Td> <Td> 240 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Drew Carey Show </Td> <Td> ABC </Td> <Td> 1995 - 09 - 13 </Td> <Td> 2004 - 09 - 08 </Td> <Td> 233 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Falcon Crest </Td> <Td> CBS </Td> <Td> 1981 - 12 - 04 </Td> <Td> 1990 - 05 - 17 </Td> <Td> 227 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Roseanne </Td> <Td> ABC </Td> <Td> 1988 - 10 - 18 </Td> <Td> 1997 - 05 - 20 </Td> <Td> 222 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Dynasty </Td> <Td> ABC </Td> <Td> 1981 - 01 - 12 </Td> <Td> 1989 - 05 - 11 </Td> <Td> 220 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Family Matters </Td> <Td> ABC (1989--1997) CBS (1997--1998) </Td> <Td> 1989 - 09 - 22 </Td> <Td> 1998 - 07 - 17 </Td> <Td> 220 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Touched by an Angel </Td> <Td> CBS </Td> <Td> 1994 - 09 - 21 </Td> <Td> 2003 - 04 - 27 </Td> <Td> 211 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Waltons </Td> <Td> CBS </Td> <Td> 1972 - 09 - 14 </Td> <Td> 1981 - 06 - 04 </Td> <Td> 210 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Everybody Loves Raymond </Td> <Td> CBS </Td> <Td> 1996 - 09 - 13 </Td> <Td> 2005 - 05 - 16 </Td> <Td> 210 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> One Day at a Time </Td> <Td> CBS </Td> <Td> 1975 - 12 - 16 </Td> <Td> 1984 - 05 - 28 </Td> <Td> 209 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> How I Met Your Mother </Td> <Td> CBS </Td> <Td> 2005 - 09 - 19 </Td> <Td> 2014 - 03 - 31 </Td> <Td> 208 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The King of Queens </Td> <Td> CBS </Td> <Td> 1998 - 09 - 21 </Td> <Td> 2007 - 05 - 14 </Td> <Td> 207 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> All in the Family </Td> <Td> CBS </Td> <Td> 1971 - 01 - 12 </Td> <Td> 1981 - 05 - 21 </Td> <Td> 216 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Little House on the Prairie </Td> <Td> NBC </Td> <Td> 1974 - 09 - 11 </Td> <Td> 1983 - 03 - 21 </Td> <Td> 204 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Alice </Td> <Td> CBS </Td> <Td> 1976 - 08 - 31 </Td> <Td> 1985 - 03 - 19 </Td> <Td> 202 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Facts of Life </Td> <Td> NBC </Td> <Td> 1979 - 08 - 24 </Td> <Td> 1988 - 05 - 07 </Td> <Td> 201 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> The Office </Td> <Td> NBC </Td> <Td> 2005 - 03 - 24 </Td> <Td> 2013 - 05 - 16 </Td> <Td> 201 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Coach </Td> <Td> ABC </Td> <Td> 1989 - 02 - 28 </Td> <Td> 1997 - 05 - 14 </Td> <Td> 197 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> CSI: NY </Td> <Td> CBS </Td> <Td> 2004 - 09 - 22 </Td> <Td> 2013 - 02 - 22 </Td> <Td> 197 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Matlock </Td> <Td> NBC (1986--1992) ABC (1992--1995) </Td> <Td> 1986 - 09 - 23 </Td> <Td> 1995 - 05 - 07 </Td> <Td> 195 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Night Court </Td> <Td> NBC </Td> <Td> 1984 - 01 - 04 </Td> <Td> 1992 - 05 - 31 </Td> <Td> 222 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> One Tree Hill </Td> <Td> WB (2003--2006) CW (2006--2012) </Td> <Td> 2003 - 09 - 23 </Td> <Td> 2012 - 04 - 04 </Td> <Td> 187 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Scrubs </Td> <Td> NBC (2001--2008) ABC (2009--2010) </Td> <Td> 2001 - 10 - 02 </Td> <Td> 2010 - 03 - 17 </Td> <Td> 182 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Seinfeld </Td> <Td> NBC </Td> <Td> 1988 - 09 - 05 </Td> <Td> 1998 - 05 - 14 </Td> <Td> 219 </Td> </Tr> <Tr> <Td> 09 </Td> <Td> Will & Grace </Td> <Td> NBC </Td> <Td> 1998 - 09 - 21 </Td> <Td> Present </Td> <Td> 206 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Bob's Burgers </Td> <Td> FOX </Td> <Td> 2011 - 01 - 09 </Td> <Td> Present </Td> <Td> 129 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Blue Bloods </Td> <Td> CBS </Td> <Td> 2010 - 09 - 24 </Td> <Td> Present </Td> <Td> 155 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Hawaii Five - 0 </Td> <Td> CBS </Td> <Td> 2010 - 09 - 20 </Td> <Td> Present </Td> <Td> 168 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Vampire Diaries </Td> <Td> CW </Td> <Td> 2009 - 09 - 10 </Td> <Td> 2017 - 03 - 10 </Td> <Td> 171 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Schlitz Playhouse of Stars </Td> <Td> CBS </Td> <Td> 1951 - 10 - 05 </Td> <Td> 1959 - 03 - 27 </Td> <Td> 347 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Big Story </Td> <Td> NBC </Td> <Td> 1949 - 09 - 16 </Td> <Td> 1957 - 06 - 28 </Td> <Td> 310 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The George Burns and Gracie Allen Show </Td> <Td> CBS </Td> <Td> 1950 - 10 - 12 </Td> <Td> 1958 - 09 - 15 </Td> <Td> 291 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Wagon Train </Td> <Td> NBC (1957--1962) ABC (1962--1965) </Td> <Td> 1957 - 09 - 18 </Td> <Td> 1965 - 05 - 02 </Td> <Td> 284 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Robert Montgomery Presents </Td> <Td> NBC </Td> <Td> 1950 - 01 - 30 </Td> <Td> 1957 - 06 - 24 </Td> <Td> 276 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Dragnet </Td> <Td> NBC </Td> <Td> 1951 - 12 - 16 </Td> <Td> 1959 - 08 - 23 </Td> <Td> 276 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Donna Reed Show </Td> <Td> ABC </Td> <Td> 1958 - 09 - 24 </Td> <Td> 1966 - 03 - 19 </Td> <Td> 275 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Mama </Td> <Td> CBS </Td> <Td> 1949 - 07 - 01 </Td> <Td> 1956 - 07 - 27 </Td> <Td> 261 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Bewitched </Td> <Td> ABC </Td> <Td> 1964 - 09 - 17 </Td> <Td> 1972 - 03 - 25 </Td> <Td> 254 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Andy Griffith Show </Td> <Td> CBS </Td> <Td> 1960 - 10 - 03 </Td> <Td> 1968 - 04 - 01 </Td> <Td> 249 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Ford Theatre </Td> <Td> CBS (1948--1951) NBC (1952--1956) ABC (1956--1957) </Td> <Td> 1948 - 10 - 17 </Td> <Td> 1957 - 06 - 26 </Td> <Td> 245 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Rawhide </Td> <Td> CBS </Td> <Td> 1959 - 01 - 09 </Td> <Td> 1965 - 12 - 07 </Td> <Td> 217 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Home Improvement </Td> <Td> ABC </Td> <Td> 1991 - 09 - 17 </Td> <Td> 1999 - 05 - 25 </Td> <Td> 224 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Cosby Show </Td> <Td> NBC </Td> <Td> 1984 - 09 - 20 </Td> <Td> 1992 - 04 - 30 </Td> <Td> 225 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Walker, Texas Ranger </Td> <Td> CBS </Td> <Td> 1993 - 04 - 21 </Td> <Td> 2001 - 05 - 19 </Td> <Td> 201 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> That' 70s Show </Td> <Td> FOX </Td> <Td> 1998 - 08 - 23 </Td> <Td> 2006 - 05 - 18 </Td> <Td> 200 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Ironside </Td> <Td> NBC </Td> <Td> 1967 - 09 - 14 </Td> <Td> 1975 - 01 - 16 </Td> <Td> 196 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Who's the Boss? </Td> <Td> ABC </Td> <Td> 1984 - 09 - 20 </Td> <Td> 1992 - 04 - 25 </Td> <Td> 225 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Mannix </Td> <Td> CBS </Td> <Td> 1967 - 09 - 16 </Td> <Td> 1975 - 04 - 13 </Td> <Td> 194 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Full House </Td> <Td> ABC </Td> <Td> 1987 - 09 - 22 </Td> <Td> 1995 - 05 - 23 </Td> <Td> 214 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> 24 </Td> <Td> FOX </Td> <Td> 2001 - 11 - 06 </Td> <Td> 2010 - 05 - 24 </Td> <Td> 192 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Diff'rent Strokes </Td> <Td> NBC (1978--1985) ABC (1985--1986) </Td> <Td> 1978 - 11 - 03 </Td> <Td> 1986 - 05 - 07 </Td> <Td> 222 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> According to Jim </Td> <Td> ABC </Td> <Td> 2001 - 10 - 03 </Td> <Td> 2009 - 06 - 02 </Td> <Td> 182 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Desperate Housewives </Td> <Td> ABC </Td> <Td> 2004 - 10 - 03 </Td> <Td> 2012 - 05 - 13 </Td> <Td> 180 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Barnaby Jones </Td> <Td> CBS </Td> <Td> 1973 - 01 - 28 </Td> <Td> 1980 - 04 - 03 </Td> <Td> 178 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Laverne & Shirley </Td> <Td> ABC </Td> <Td> 1976 - 01 - 27 </Td> <Td> 1983 - 05 - 10 </Td> <Td> 216 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Diagnosis: Murder </Td> <Td> CBS </Td> <Td> 1993 - 10 - 29 </Td> <Td> 2001 - 05 - 11 </Td> <Td> 178 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Practice </Td> <Td> ABC </Td> <Td> 1997 - 03 - 04 </Td> <Td> 2004 - 05 - 16 </Td> <Td> 178 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Charmed </Td> <Td> WB </Td> <Td> 1998 - 10 - 07 </Td> <Td> 2006 - 05 - 21 </Td> <Td> 178 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> House </Td> <Td> FOX </Td> <Td> 2004 - 11 - 16 </Td> <Td> 2012 - 05 - 21 </Td> <Td> 177 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Castle </Td> <Td> ABC </Td> <Td> 2009 - 03 - 09 </Td> <Td> 2016 - 05 - 16 </Td> <Td> 173 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Three's Company </Td> <Td> ABC </Td> <Td> 1977 - 03 - 15 </Td> <Td> 1984 - 09 - 18 </Td> <Td> 172 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Wings </Td> <Td> NBC </Td> <Td> 1990 - 04 - 19 </Td> <Td> 1997 - 05 - 21 </Td> <Td> 172 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Girlfriends </Td> <Td> UPN (2000--2006) CW (2006--2008) </Td> <Td> 2000 - 09 - 11 </Td> <Td> 2008 - 02 - 11 </Td> <Td> 172 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> L.A. Law </Td> <Td> NBC </Td> <Td> 1986 - 10 - 03 </Td> <Td> 1994 - 05 - 19 </Td> <Td> 171 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Barney Miller </Td> <Td> ABC </Td> <Td> 1975 - 01 - 23 </Td> <Td> 1982 - 05 - 20 </Td> <Td> 168 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> The Loretta Young Show </Td> <Td> NBC </Td> <Td> 1953 - 09 - 02 </Td> <Td> 1961 - 06 - 04 </Td> <Td> 165 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Magnum, P.I. </Td> <Td> CBS </Td> <Td> 1980 - 12 - 11 </Td> <Td> 1988 - 05 - 08 </Td> <Td> 162 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Simon & Simon </Td> <Td> CBS </Td> <Td> 1981 - 11 - 24 </Td> <Td> 1989 - 01 - 21 </Td> <Td> 219 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Perfect Strangers </Td> <Td> ABC </Td> <Td> 1986 - 03 - 25 </Td> <Td> 1993 - 08 - 06 </Td> <Td> 150 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Quincy, M.E. </Td> <Td> NBC </Td> <Td> 1976 - 10 - 03 </Td> <Td> 1983 - 09 - 04 </Td> <Td> 148 </Td> </Tr> <Tr> <Td> 08 </Td> <Td> Dexter </Td> <Td> Showtime CBS </Td> <Td> 2006 - 10 - 01 </Td> <Td> 2013 - 09 - 22 </Td> <Td> 96 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Lux Video Theatre </Td> <Td> CBS (1950--1954) NBC (1954--1957) </Td> <Td> 1950 - 10 - 02 </Td> <Td> 1957 - 09 - 12 </Td> <Td> 336 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Captain Video and His Video Rangers </Td> <Td> DuMont </Td> <Td> 1949 - 06 - 27 </Td> <Td> 1955 - 04 - 01 </Td> <Td> 273 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Fireside Theater </Td> <Td> NBC </Td> <Td> 1949 - 04 - 05 </Td> <Td> 1958 - 05 - 22 </Td> <Td> 268 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Alfred Hitchcock Presents </Td> <Td> CBS (1955--1960) NBC (1960--1962) </Td> <Td> 1955 - 10 - 02 </Td> <Td> 1962 - 06 - 26 </Td> <Td> 267 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Philco Television Playhouse </Td> <Td> NBC </Td> <Td> 1948 - 10 - 03 </Td> <Td> 1955 - 10 - 02 </Td> <Td> 251 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Melrose Place </Td> <Td> FOX </Td> <Td> 1992 - 07 - 08 </Td> <Td> 1999 - 05 - 24 </Td> <Td> 226 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Petticoat Junction </Td> <Td> CBS </Td> <Td> 1963 - 09 - 24 </Td> <Td> 1970 - 04 - 04 </Td> <Td> 222 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Golden Girls </Td> <Td> NBC </Td> <Td> 1985 - 09 - 14 </Td> <Td> 1992 - 05 - 21 </Td> <Td> 225 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Family Ties </Td> <Td> NBC </Td> <Td> 1982 - 09 - 22 </Td> <Td> 1989 - 05 - 14 </Td> <Td> 176 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Adam - 12 </Td> <Td> NBC </Td> <Td> 1968 - 09 - 21 </Td> <Td> 1975 - 05 - 20 </Td> <Td> 174 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Star Trek: The Next Generation </Td> <Td> CBS (Paramount) </Td> <Td> 1987 - 01 - 01 </Td> <Td> 1994 - 12 - 31 </Td> <Td> 176 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Star Trek: Deep Space Nine </Td> <Td> UPN </Td> <Td> 1993 - 01 - 03 </Td> <Td> 1999 - 06 - 02 </Td> <Td> 176 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Star Trek: Voyager </Td> <Td> UPN </Td> <Td> 1995 - 01 - 16 </Td> <Td> 2001 - 05 - 23 </Td> <Td> 172 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Mission: Impossible </Td> <Td> CBS </Td> <Td> 1966 - 09 - 17 </Td> <Td> 1973 - 03 - 30 </Td> <Td> 171 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Medical Center </Td> <Td> CBS </Td> <Td> 1969 - 09 - 24 </Td> <Td> 1976 - 09 - 06 </Td> <Td> 171 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Empty Nest </Td> <Td> NBC </Td> <Td> 1988 - 10 - 08 </Td> <Td> 1995 - 04 - 29 </Td> <Td> 170 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Marcus Welby, M.D. </Td> <Td> ABC </Td> <Td> 1969 - 09 - 23 </Td> <Td> 1976 - 05 - 04 </Td> <Td> 169 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Mary Tyler Moore Show </Td> <Td> CBS </Td> <Td> 1970 - 09 - 19 </Td> <Td> 1977 - 03 - 19 </Td> <Td> 168 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Growing Pains </Td> <Td> ABC </Td> <Td> 1985 - 09 - 24 </Td> <Td> 1992 - 04 - 25 </Td> <Td> 166 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Mad About You </Td> <Td> NBC </Td> <Td> 1992 - 09 - 23 </Td> <Td> 1999 - 05 - 24 </Td> <Td> 164 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Designing Women </Td> <Td> CBS </Td> <Td> 1986 - 09 - 29 </Td> <Td> 1993 - 05 - 24 </Td> <Td> 163 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Once Upon a Time </Td> <Td> ABC </Td> <Td> 2011 - 10 - 23 </Td> <Td> Present </Td> <Td> 133 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Sabrina, the Teenage Witch </Td> <Td> ABC (1996--2000) WB (2000--2003) </Td> <Td> 1996 - 09 - 27 </Td> <Td> 2003 - 04 - 24 </Td> <Td> 163 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Step by Step </Td> <Td> ABC (1991--1997) CBS (1997--1998) </Td> <Td> 1991 - 09 - 20 </Td> <Td> 1998 - 06 - 26 </Td> <Td> 215 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Without a Trace </Td> <Td> CBS </Td> <Td> 2002 - 09 - 26 </Td> <Td> 2009 - 05 - 19 </Td> <Td> 160 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Benson </Td> <Td> ABC </Td> <Td> 1979 - 09 - 13 </Td> <Td> 1986 - 04 - 19 </Td> <Td> 158 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Boy Meets World </Td> <Td> ABC </Td> <Td> 1993 - 09 - 24 </Td> <Td> 2000 - 05 - 05 </Td> <Td> 180 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The West Wing </Td> <Td> NBC </Td> <Td> 1999 - 09 - 22 </Td> <Td> 2006 - 05 - 14 </Td> <Td> 156 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Cold Case </Td> <Td> CBS </Td> <Td> 2003 - 09 - 28 </Td> <Td> 2010 - 05 - 02 </Td> <Td> 156 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Good Wife </Td> <Td> CBS </Td> <Td> 2009 - 09 - 22 </Td> <Td> 2016 - 05 - 08 </Td> <Td> 156 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Hunter </Td> <Td> NBC </Td> <Td> 1984 - 09 - 18 </Td> <Td> 1991 - 04 - 26 </Td> <Td> 153 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Gilmore Girls </Td> <Td> WB (2000--2006) CW (2006--2007) </Td> <Td> 2000 - 10 - 05 </Td> <Td> 2007 - 05 - 15 </Td> <Td> 153 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Fantasy Island </Td> <Td> ABC </Td> <Td> 1978 - 01 - 28 </Td> <Td> 1984 - 05 - 19 </Td> <Td> 152 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Trapper John, M.D. </Td> <Td> CBS </Td> <Td> 1979 - 09 - 23 </Td> <Td> 1986 - 09 - 04 </Td> <Td> 151 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Malcolm in the Middle </Td> <Td> FOX </Td> <Td> 2000 - 01 - 09 </Td> <Td> 2006 - 05 - 14 </Td> <Td> 151 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Mentalist </Td> <Td> CBS </Td> <Td> 2008 - 09 - 23 </Td> <Td> 2015 - 02 - 18 </Td> <Td> 151 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Just Shoot Me! </Td> <Td> NBC </Td> <Td> 1997 - 03 - 04 </Td> <Td> 2003 - 08 - 16 </Td> <Td> 148 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Dukes of Hazzard </Td> <Td> CBS </Td> <Td> 1979 - 01 - 26 </Td> <Td> 1985 - 02 - 08 </Td> <Td> 146 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Hill Street Blues </Td> <Td> NBC </Td> <Td> 1981 - 01 - 15 </Td> <Td> 1987 - 05 - 12 </Td> <Td> 146 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Buffy the Vampire Slayer </Td> <Td> WB (1997--2001) UPN (2001--2003) </Td> <Td> 1997 - 03 - 10 </Td> <Td> 2003 - 05 - 20 </Td> <Td> 144 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> In the Heat of the Night </Td> <Td> NBC (1988--1992) CBS (1992--1994) </Td> <Td> 1988 - 03 - 06 </Td> <Td> 1994 - 05 - 11 </Td> <Td> 142 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Futurama </Td> <Td> FOX (1999--2003) Comedy Central (2008--2013) </Td> <Td> 1999 - 03 - 28 </Td> <Td> 2013 - 09 - 04 </Td> <Td> 140 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> MacGyver </Td> <Td> ABC </Td> <Td> 1985 - 09 - 29 </Td> <Td> 1992 - 05 - 21 </Td> <Td> 139 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> 30 Rock </Td> <Td> NBC </Td> <Td> 2006 - 10 - 11 </Td> <Td> 2013 - 01 - 31 </Td> <Td> 138 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Medium </Td> <Td> NBC (2005--2009) CBS (2009--2011) </Td> <Td> 2005 - 01 - 03 </Td> <Td> 2011 - 01 - 21 </Td> <Td> 130 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Cagney & Lacey </Td> <Td> CBS </Td> <Td> 1982 - 03 - 25 </Td> <Td> 1988 - 05 - 16 </Td> <Td> 125 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Parks and Recreation </Td> <Td> NBC </Td> <Td> 2009 - 04 - 09 </Td> <Td> 2015 - 02 - 24 </Td> <Td> 125 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Homicide: Life on the Street </Td> <Td> NBC </Td> <Td> 1993 - 01 - 31 </Td> <Td> 1999 - 05 - 21 </Td> <Td> 122 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Cheyenne </Td> <Td> ABC </Td> <Td> 1955 - 09 - 20 </Td> <Td> 1962 - 12 - 17 </Td> <Td> 108 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> Rules of Engagement </Td> <Td> CBS </Td> <Td> 2007 - 02 - 05 </Td> <Td> 2013 - 05 - 20 </Td> <Td> 100 </Td> </Tr> <Tr> <Td> 07 </Td> <Td> The Walking Dead </Td> <Td> AMC </Td> <Td> 2010 - 10 - 31 </Td> <Td> Present </Td> <Td> 99 </Td> </Tr> </Table> <Tr> <Th> Number of seasons </Th> <Th> Series </Th> <Th> Network </Th> <Th> First air date </Th> <Th> Last air date </Th> <Th> Number of episodes </Th> </Tr>

What is the longest-running scripted primetime tv series in the us