It's Always Sunny In Philadelphia Season 18's 100% RT Score Could Tie Or Beat The Simpsons' Record Of 10 Perfect Seasons
Originally published as: After 21 Years, It's Always Sunny Threatens To Dethrone The Simpsons
More than two decades later, It's Always Sunny in Philadelphia, the longest-running live-action comedy series in TV history, is on the verge of dethroning The Simpsons in an esteemed category.