List of longest-running American primetime television series

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "List of longest-running American primetime television series" – news · newspapers · books · scholar · JSTOR (April 2017) (Learn how and when to remove this message)

This is a list of the longest running U.S. primetime television series, ordered by the number of broadcast seasons offered by a U.S. broadcast network or cable network in prime time on the show's original run. Broadcast syndication that could have been scheduled by local stations in prime time have been omitted.

This television-related list is incomplete; you can help by adding missing items. (October 2021)