Would it be objectively possible to pick the best episode of "It's Always Sunny in Philadelphia" ever?

[youtube=http://www.youtube.com/watch?v=LiNhNArP3PA&w=600&h=315]

The short answer to the title of this post is "Probably not," although many have tried: here, here and here, for example. The reason I think it'd be a challenge isn't necessarily that there's so many great episodes -- there are -- but more because the show is the most blissfully confusing t…