Back in 2020, many outlets, including /Film, reported that Rob McElhenney's crass sitcom "It's Always Sunny in Philadelphia" had, with its 15th season, officially surpassed "The Adventures of Ozzie and Harriet" as the longest-running scripted live-action sitcom of all time. As of this writing, the series has completed its 16th season, and it has been renewed for at least two more, so it has beaten "Ozzie and Harriet" by a substantial margin in terms of longevity. Of course, given the way modern TV is shaped, seasons are a lot shorter than they used to be. "It's Always Sunny" seasons run anywhere from seven to 15 episodes, while "Ozzie's" seasons back in the 1950s and 1960s ran anywhere from 26 to 39 episodes. "It's Always Sunny" may have lasted longer, but "Ozzie and Harriet" has way more episodes at 435.

Still, 18 seasons of anything is impressive by any measure, and one can indeed commend "It's Always Sunny...