Jim walked into the kitchen in a daze and opened the refrigerator. No more beer. Naturally.
With nothing better to do than to plant himself on the couch and see if there was anything on TV, he walked back into the main room, but soon found himself falling face first into the floor when a sudden loud series of knocks caused him to jump.
He dusted himself off as he got back on his feet. He really ought to vacuum, but...
Another round of knocking began.
"Alright, alright, I'm coming."
He opened the door to find...