Longest-Running Prime-Time Shows in History

Source: Courtesy of CanWest Global Communications

25. South Park (1997-present)
> Series run: 24 years
> Network: Comedy Central
> Genre: Animated sitcom
> IMDb user rating: 8.7

Set in small-town Colorado, this animated sitcom for adults centers around a group of school boys and their families and friends while tying in dark humor and satirizing current social and political issues.

Source: Courtesy of Public Broadcasting Service

24. Antiques Roadshow (1997-present)
> Series run: 24 years
> Network: PBS
> Genre: Bargain hunt
> IMDb user rating: 7.3

Based on a British show of the same name that first aired in 1979, Antiques Roadshow is a traveling program that brings together local antique owners and a panel of experts who appraise the items and discuss their potential significance.

Source: Courtesy of Fox Network

23. America’s Most Wanted (1988-2012)
> Series run: 24 years
> Network: Lifetime
> Genre: Reality
> IMDb user rating: No rating available

This true crime show dramatized the crimes of wanted fugitives, utilizing actors to replay events as well as real interviews with victims and their families. Audience members were asked to phone in tips that could lead to the arrest of the criminals involved.

Source: Courtesy of Fox Network

22. Cops (1989-2013)
> Series run: 24 years
> Network: Spike/Paramount Network
> Genre: Reality
> IMDb user rating: 7

This reality crime show followed real police officers and deputies as they apprehended criminals and made arrests for various crimes including prostitution, narcotics distribution, and domestic violence.

21. The Real World (1992-2019)
> Series run: 27 years
> Network: MTV
> Genre: Reality
> IMDb user rating: 5

Often given credit for pioneering the reality TV genre, “The Real World” placed a group of young adult strangers in a shared home and recorded their daily interactions, highlighting their navigation of sex, drugs, politics, religion, and other issues.