Well, don't we kind of know that Duncan's cousin Clive, whom Duncan thinks is going to get along well with Hickey, is actually Hickey's son? What do you call your cousin's dad?

I think Greendale being a metaphor for the show has been evident ever since at least the Season 3 documentary episode, or possibly the Season 1 Finale.

I liked the Abed meltdown. Here's how I read it.

Alternate Interpretation: Abed is aware that he is a character in a TV show about Greendale. He knows that a TV show needs new storylines to continue airing. He also knows that if it stops airing, he will no longer exist. To desperately prolong his existence, he goes on a complete mental breakdown trying somehow to…

My Initial Interpretation: Think of Abed as a long-running sitcom, way after its prime but not ready to bow out, that's desperate to find a new-old plotline and beat it until it's dry. Abed's acting out meaningless invisible storylines is a metaphor—I think—for shows like How I Met Your Mother, The Office, Two and a…

I feel that they didn't even need to actually show the awkwardly floating Robin. All they could've done is have Ted look away for a second after they let go of the hands, look back at Robin, see she's not there, then look up at the sky. With the camera zoomed at Ted's face the whole time. No crazy wire-action, no…

I feel that they didn't even need to show the floating Robin. All they could've done is have Ted look away for a second after they let go of the hands, look back at Robin, see she's not there, then look up at the sky. This is all they would've needed to let EVERYBODY know what's going on. No green screen needed. No…

Ted is Victoria's Robin. It's pretty simple.