List of the longest-running sitcoms in US history. These funny TV series have more episodes than any others in American television. Some of the shows ran and have since gone off the air or been canceled, while others remain ongoing and are still being produced. Typically, these shows were collected into "seasons" of television, each with a pre-set amount of episodes. Sometimes, these seasons were broken up, in some cases with years or even decades between production of the series, while still being considered the run of a single TV show. (Spin-offs and other shows that were reinvented and debuted as new series are not considered.) This list contains all the longest-running shows in the history of TV comedy.
What is the longest running sitcom? Popular sitcoms making it to 7, or even 10, seasons are not particularly rare. Many popular shows - such as Seinfeld, Everybody Loves Raymond or Friends - are able to keep the central cast together and maintain narrative momentum to hit that landmark, or at least get close. But very rarely will a situation comedy exceed the 10th season or get close to 300 episodes, at least not without major cast shake-ups that change the basic nature of the show. So what is the longest running TV show? The Kelsey Grammar series in which he plays Dr. Frasier Crane, however, seems to be the exception to the rule. Not only was Cheers, the show introducing Frasier, a consistent hit for 11 years (and 275 episodes!), but the spinoff show "Frasier" also made it to 11 seasons and had a grand total of 264 episodes. That's a lot of listening! In 2020, It's Always Sunny In Philedelphia broke the record for longest-running live-action comedy series by being renewed for its 15th season, although it has less episodes than the older sitcoms that previously held the record.
Premiered: August 4, 2005
14 Seasons, 154 episodes, renewed for season 15
The Adventures of Ozzie and HarrietOzzie Nelson, Harriet Hilliard
Premiered: October 3, 195214 Seasons. 435 Episodes.
Premiered: September 29, 196012 Seasons. 380
Premiered: September 29, 195311 Seasons. 351 Episodes.
Premiered: 19508 Seasons. 291 Episodes.
Premiered: September 30, 198211 Seasons. 275 Episodes.
Premiered: September 16, 199311 Seasons. 264 Episodes.
Premiered: April 5, 198711 Seasons. 263 Episodes.
Premiered: January 15, 197411 Seasons. 255 Episodes.
Premiered: January 18, 197511 Seasons. 253 Episodes.
Premiered: September 17, 197211 Seasons. 251 Episodes.
Premiered: September 22, 199410 Seasons. 236 Episodes.
Premiered: November 14, 198810 Seasons. 247 Episodes.
Premiered: October 3, 19608 Seasons. 249 Episodes.
Premiered: September 24, 19779 Seasons. 249 Episodes.
Premiered: October 3, 19548 Seasons. 203 Episodes.
Premiered: September 22, 19899 Seasons. 215 Episodes.
Premiered: September 13, 19969 Seasons. 210 Episodes.
Premiered: January 12, 19719 Seasons. 210 Episodes.
Premiered: August 24, 19799 Seasons. 209 Episodes.
Premiered: December 16, 19759 Seasons. 209 Episodes.
Premiered: September 21, 19989 Seasons. 207 Episodes.
Premiered: September 17, 1991204 Episodes.
Premiered: September 13, 19959 Seasons. 233 Episodes.
Premiered: October 4, 19576 Seasons. 234 Episodes.