It's Always Sunny in Philadelphia premiered on the FX network, marking the debut of the series.
It's Always Sunny in Philadelphia began airing new episodes on FX's sister channel FXX, expanding its audience.
FX renewed It's Always Sunny in Philadelphia for its 14th season, demonstrating the show's lasting popularity.
The creators announced that It's Always Sunny in Philadelphia would continue with a 15th season, continuing the show's legacy.