He's had a standing invitation to all four CAGED marathons, though. You can't crash something you're invited to.

Hey, A.V. Club, you can't make stuff up just to have a sexy headline.
Not cool.

Can you crash a party that you're invited to?

The five-act tragedy was a Roman trope from Horace, on which Shakespeare based his plays.  Between Horace and Aristotle, you really need to look no further.  Shakespeare certainly didn't.