Last night's Season 8 finale clearly established that the show can go into a ninth season without missing a beat.

Shocked there wasn't one cheese reference.

What "Charlie Rules the World" lacked in narrative it made up for in sheer hilarity.

After half a season of subtle and not-so-subtle callbacks last night went in a different direction.

Let's take a look at all the depravity from last night, shall we?

The gang gets psychoanalytical.

Awkward date Charlie and The Gang's take on Dangerous Liasons/Cruel Intentions/"Almost any movie made in the late 90's".

A collection of the greatest moments from last night's "It's Always Sunny in Philadelphia" episode, "The Maureen Ponderosa Wedding Massacre."

Last night was the Gang's version of a Community flashback episode, if that makes sense.