A Pop Culture Staple For 20 years, It’s Always Sunny in Philadelphia has defied all television norms. Getting its start with a DIY $200 camcorder pilot, the show has become one of television’s longest-running live-action sitcoms. While its characters have remained perpetually awful in the most entertaining way, the show itself has evolved, sharpening its satire, evolving its themes, and cultivating a devoted fanbase that spans Gen Z, Millennials, and even Gen X viewers. What’s most impr...