One theory suggests that each episode of It's Always SunnyIn Philadelphia actually takes place as a flashback while the gang tells stories in court, and it's surprisingly plausible. It's Always Sunny In Philadelphia is one of the longest-running comedy series, and over its 15 seasons (and counting), it's seen its characters undergo a great deal of development. The members of It's Always Sunny's core cast have all changed considerably since they were first introduced, but the show's core premise remains the same.
It's Always Sunny In Philadelphia follows a group of narcissistic friends who run an Irish bar in Philadelphia, but it's the show's dark humor and irreverent storylines that have secured its lasting success, and many of these stories have seen the gang find themselves in various predicaments. Often, this is in a social sense, with the gang's issues stemming from their own internal conflicts (which in turn are a product of their unpleasant personalities). However, from time to time, the gang find themselves in the midst of legal troubles, too.
Related: It's Always Sunny Made A Big Mistake Killing Barbara Reynolds So Early
One weird It's Always Sunny theory (via Reddit), suggests that the show actually has a secret, hidden premise. The Redditor posits that the framing of each episode using a day and time evidences the possibility that the stories the show tells are actually being relayed in court at a later date, and that the show is one long flashback. On the surface, the theory seems relatively flimsy, but upon closer inspection of the show and its characters, it becomes all the more plausible.
The most notable piece of evidence in support of this theory is that each and every episode starts with an approximate
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