“I thought it would be funny if Dennis sees this one little problem, and then takes it upon himself to solve this problem that nobody even really recognizes. I find that to be the case with a lot of things that I tend to get hung up on.” Photo: Patrick McElhenney/FX Spoilers follow for the It’s Always Sunny in Philadelphia season-17 premiere, “The Gang F***s Up Abbott Elementary,” which premiered on FXX on July 9. On It’s Always Sunny in Philadelphia , “What is Dennis Reynolds doing?” is