Longest-Running Prime-Time Shows in History

Source: Courtesy of National Broadcasting Company

40. Law & Order (1990-2010)
> Series run: 20 years
> Network: NBC
> Genre: Crime drama
> IMDb user rating: 7.7

This crime drama series followed a team of NYPD detectives and prosecutors during the investigations of murders and other violent crimes, culminating in the prosecution of the suspects.

Source: Courtesy of Paramount Television

39. Gunsmoke (1955-1975)
> Series run: 20 years
> Network: CBS
> Genre: Drama
> IMDb user rating: 7.9

A Western drama series that started as a radio show, “Gunsmoke” focuses on U.S. Marshall Matt Dillon as he attempts to keep order in the wild west town of Dodge City, Kansas in the 1870s.

Source: Courtesy of Reel Media International

38. The Red Skelton Show (1951-1971)
> Series run: 20 years
> Network: NBC
> Genre: Variety
> IMDb user rating: 8.2

Red Skelton’s comedy variety show featured vaudeville-style song and dance performances, comedic sketches, and guest performers including the Beach Boys and the Supremes.

Source: Courtesy of Canadian Television

37. The Amazing Race (2001-present)
> Series run: 20 years
> Network: CBS
> Genre: Reality competition
> IMDb user rating: 7.6

An elimination reality game show, “The Amazing Race” entices teams of contestants to race around the world meeting a series of challenges until only one team remains. The first team to reach the end of the race wins $1 million.

Source: Courtesy of OnTV / CH

36. Big Brother (2000-present)
> Series run: 21 years
> Network: CBS
> Genre: Reality competition
> IMDb user rating: 4.2

Based on a Dutch reality show, “Big Brother” puts a group of strangers into isolated shared living quarters, continuously monitored by cameras and microphones. Contestants compete for status and are eliminated weekly as their housemates vote them out.