Rigby and I have done some pretty stupid stuff while working at The Park, but this time we (and by "we" I mean he) really screwed up.
Why did Death send us here?
Why is everyone I meet so nice?
When did I get this tattoo on my butt?
And most importantly...
Why am I a horse?

A Regular Show/Pony cross-over told from Mordecai's POV.