Continuity Details From 'It's Always Sunny In Philadelphia' That Demand A Rewatch

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Vote up the details you missed the first time around.

Believe it or not, It's Always Sunny In Philadelphia is the longest-running live-action sitcom on television, and people have been watching it since the series first premiered in 2005. The Gang of Charlie, Dennis, Mac, Dee, and Frank have been getting up to some seriously messed up stuff for the better part of two decades, and in all that time, they've managed to have a reasonably significant impact on the world around them.

As a result, there are tons of tiny continuity details that link episodes across the entire series run, and that's no easy task. If you look at most sitcoms, continuity can be a problem — just look at Friends and the changing address for the main characters. Simple mistakes can stick out for anyone who binge-watches a show, but that's hardly a problem for fans of It's Always Sunny Occasionally, those fans head to the Continuity Porn subreddit to share the best examples, and they're all presented here!